Welding Procedures MDC 07/12/2018 REVISE AND RESUBMIT

Transcription

1 X NO EXCEPTIONS TAKEN REJECTED MAKE CORRECTIONS NOTED REVISE AND RESUBMIT This review is only for general conformance with the design concept of the Project and compliance with the information given in the Contract Documents and it does not relieve the Contractor from compliance with the requirements of the Contract Documents, applicable laws, codes and regulations. The Contractor is responsible for Article 4 of the AIA General Conditions of the Contract for Construction, confirming and correlating all dimensions and quantities of materials, coordinating work with other trades and information that pertains solely to the fabrication processes or to the means, methods, techniques, sequences and procedures of construction. This review is performed in accordance with Article 3 of the AIA General Conditions of the Contract for Construction. MDC 07/12/2018 BY DATE. INERTIA ENGINEERS STRUCTURAL SOLUTIONS Procedures

2 Structural Code Seismic Supplement FLUXCORED SELFSHIELDED (S) WIRE Innershield Mild Steel, All Position AWS E71T8 NR 232 Key Features High deposition rates for outofposition welding Penetrating arc Fast freezing, easy to remove slag system Meets AWS D1.8 seismic lot waiver requirements Typical Applications Structural fabrication, including those subject to seismic requirements General plate fabrication Hull plate and stiffener welding on ships and barges Machinery parts, tanks, hoppers, racks and scaffolding Conformances AWS A5.20/A5.20M: 2005 ASME SFAA5.20: ABS: Lloyd s Register: DNV Grade: GL: BV Grade: CWB/CSA W4806: DB: TUV: MILE24403/1:* FEMA 353 AWS D1.8 Positions All E71T8H16 E71T8H16 3YSA 3YS H15 III YMS H15 3YH10S SA3YMH E491T8 H16 EN 758 T42 3 Y N 2 EN 758 T42 3 Y N 2 MIL71T8AS *Military Grade Classification of MIL71T8AS for in (1.7 mm) and in (1.8 mm) diameters only. 96 ı THE LINCOLN ELECTRIC COMPANY

3 FLUXCORED SELFSHIELDED (S) WIRE Innershield NR 232 (AWS E71T8) DIAMETERS / PACKAGING Diameter in (mm) /64 (1.7) (1.8) (2.0) Diameter in (mm) /64 (1.7) (1.8) (2.0) 13.5 lb (6.1 kg) Coil 54 lb (24.5 kg) Master Carton ED ED ED lb (6.1 kg) Coil 54 lb (24.5 kg) Hermetically Sealed Pail 25 lb (11.3 kg) Plastic Spool (Vacuum Sealed Foil Bag) ED ED MECHANICAL PROPERTIES (1) As Required per AWS A5.20/A5.20M: 2005 Yield Strength (2) MPa (ksi) Tensile Strength MPa (ksi) Elongation % Hardness Rockwell B 25 lb (11.3 kg) Steel Spool ED ED ED lb (22.7 kg) Coil ED ED ED Charpy Vtch / J ft lbf) 29 C (20 F) Requirements AWS E71T8 400 (58) min (7095) 22 min. 27 (20) min. Typical Results (3) AsWelded (6675) (8389) (3555) DEPOSIT COMPOSITION (1) As Required per AWS A5.20/A5.20M: 2005 %C %Mn %Si %S %P %Al Requirements AWS E71T max max max max max. 1.8 max. Typical Results (3) TYPICAL OPERATING PROCEDURES Diameter, Polarity in (1.7 mm), DC in (1.8 mm), DC 5/64 in (2.0 mm), DC CTWD (6) mm (in) 1932 (3/41 1/4) 1932 (3/41 1/4) 1932 (3/41 1/4) (1) Typical all weld metal. (2) Measured with 0.2% offset. (3) See test results disclaimer below. NOTE: FEMA 353 and AWS D1.8 structural steel seismic supplement test data can be found on this product at Wire Feed Speed Voltage (7) Approx. Current MeltOff Rate Deposition Rate Efficiency m/min (in/min) (volts) (amps) kg/hr (lb/hr) kg/hr (lb/hr) (%) (110) (130) (1) (170) (195) (2) (320) (80) (140) (155) (170) (2) (290) (60) (115) (120) (130) (180) (5.0) (6.2) (7.1) (7.8) (9.4) (11.8) (15.2) (4.0) (6.8) (7.2) (8.0) (11.7) (13.6) (3.7) (7.0) (7.3) (7.8) (10.9) (3.9) (4.6) (5.3) (6.1) (7.0) (9.0) (11.4) (3.3) (5.5) (6.0) (6.5) (9.6) (11.0) (2.7) (5.5) (5.7) (6.2) (8.7) Appr ro ed 07/26/ WELDING CONSUMABLES CATALOG ı 97

4 PAGE NOT REVIEWED BY SE 07/26/2017 Material Safety Data Sheets (MSDS) and Certificates of Conformance are available on our website at TEST RESULTS Test results for mechanical properties, deposit or electrode composition and diffusible hydrogen levels were obtained from a weld produced and tested according to prescribed standards, and should not be assumed to be the expected results in a particular application or weldment. Actual results will vary depending on many factors, including, but not limited to, weld procedure, plate chemistry and temperature, weldment design and fabrication methods. Users are cautioned to confirm by qualification testing, or other appropriate means, the suitability of any welding consumable and procedure before use in the intended application. CUSTOMER ASSISTANCE POLICY The Lincoln Electric Company is manufacturing and selling high quality welding equipment, consumables, and cutting equipment. Our challenge is to meet the needs of our customers and to exceed their expectations. On occasion, purchasers may ask Lincoln Electric for information or advice about their use of our products. Our employees respond ds, to inquiries to the best of their ability based on information provided to them by the customers and the knowledge they may have concerning the application. Our employees, however, are not in a position to verify the information provided or to evaluate the engineering requirements for the particular weldment. Accordingly, Lincoln Electric does not warrant or guarantee or assume any liability with respect to such information or advice. Moreover, the provision of such information or advice does not create, expand, or alter any warranty on our products. Any express or implied warranty that might arise from the information or advice, including any implied warranty of merchantability or any warranty of fitness for any customers particular purpose is specifically disclaimed. Lincoln Electric is a responsive manufacturer, but the selection and use of specific products sold by Lincoln Electric is solely within the control of, and remains the sole responsibility of the customer. Many variables beyond the control of Lincoln Electric affect the results obtained in applying these types of fabrication methods and service requirements. Subject to Change This information is accurate to the best of our knowledge at the time of printing. Please refer to for any updated information. Approved Lincoln Global, Inc. All Rights Reserved. Issue Date 01/12 THE LINCOLN ELECTRIC COMPANY St. Clair Avenue Cleveland, OH U.S.A. Phone:

5 STICK (SMAW) ELECTRODE Excalibur Key Features Premium arc performance Square coating burnoff Easy strike and restrike Effortless slag removal Minimal spatter for enhanced operability and clean weld surface Typical Applications Mild steel Power generation Petrochemical Pressure vessels Pressure piping 7018 MR Mild Steel, Low Hydrogen AWS E7018 H4R DIAMETERS / PACKAGING Diameter Length 1 lb (0.5 kg) Plastic Tube in (mm) in (mm) 6 lb (2.7 kg) Master Carton 3/32 (2.4) 1/8 (3.2) 5/32 (4.0) 3/16 (4.8) 7/32 (5.6) 1/4 (6.4) 14 (3) 14 (3) 14 (3) 14 (3) 18 (4) 18 (4) ED ED Conformances AWS A5.1/A5.1M: 2004 ASME SFAA5.1: ABS: Lloyd s Register: DNV Grade: GL: BV Grade: CWB/CSA W4806: EN ISO 2560B: Positions All, except vertical down 10 lb (4.5 kg) Easy Open Can 30 lb (13.6 kg) Master Carton ED ED ED E7018 H4R E7018 H4R 3Y H5 3YM H5 3 YH5 3YH5 3YHHH E4918 E4918 A H5 lb (22.7kg) Carton ED ED ED ED ED ED MECHANICAL PROPERTIES (1) As Required per AWS A5.1/A5.1M: 2004 Yield Strength (2) Tensile Strength Elongation Charpy Vtch J (ft lbf) MPa (ksi) MPa (ksi) 29 C (20 F) Requirements AWS E7018 H4R 400 (58) min. 490 (70) min. 22 min. 27 (20) min. Typical Results (3) AsWelded (6274) (7488) (89246) DEPOSIT COMPOSITION (1) As Required per AWS A5.1/A5.1M: 2004 %C %Mn %Si %P %S %Ni Requirements AWS E7018 H4R 0.15 max max max max max max. Typical Results (3) %Mn + Ni + Cr Diffusible Hydrogen %Cr %Mo %V + Mo + V (ml/100g weld metal) Requirements AWS E7018 H4R 0.20 max max max max. 4.0 max. Typical Results (3) TYPICAL OPERATING PROCEDURES Current (Amps) Polarity (4) 3/32 in (2.4 mm) 1/8 in (3.2 mm) 5/32 in (4.0 mm) 3/16 in (4.8 mm) 7/32 in (5.6 mm) 1/4 in (6.4 mm) DC AC (1) Typical all weld metal. (2) Measured with 0.2% offset. (3) See test results disclaimer below. (4) Preferred polarity is listed first. 26 ı THE LINCOLN ELECTRIC COMPANY

6 PAGE NOT REVIEWED BY SE Material Safety Data Sheets (MSDS) and Certificates of Conformance are available on our website at TEST RESULTS Test results for mechanical properties, deposit or electrode composition and diffusible hydrogen levels were obtained from a weld produced and tested according to prescribed standards, and should not be assumed to be the expected results in a particular application or weldment. Actual results will vary depending on many factors, including, but not limited to, weld procedure, plate chemistry and temperature, weldment design and fabrication methods. Users are cautioned to confirm by qualification testing, or other appropriate means, the suitability of any welding consumable and procedure before use in the intended application. CUSTOMER ASSISTANCE POLICY The Lincoln Electric Company is manufacturing and selling high quality welding equipment, consumables, and cutting equipment. Our challenge is to meet the needs of our customers and to exceed their expectations. On occasion, purchasers may ask Lincoln Electric for information or advice about their use of our products. Our employees respond ds, to inquiries to the best of their ability based on information provided to them by the customers and the knowledge they may have concerning the application. Our employees, however, are not in a position to verify the information provided or to evaluate the engineering requirements for the particular weldment. Accordingly, Lincoln Electric does not warrant or guarantee or assume any liability with respect to such information or advice. Moreover, the provision of such information or advice does not create, expand, or alter any warranty on our products. Any express or implied warranty that might arise from the information or advice, including any implied warranty of merchantability or any warranty of fitness for any customers particular purpose is specifically disclaimed. Lincoln Electric is a responsive manufacturer, but the selection and use of specific products sold by Lincoln Electric is solely within the control of, and remains the sole responsibility of the customer. Many variables beyond the control of Lincoln Electric affect the results obtained in applying these types of fabrication methods and service requirements. Subject to Change This information is accurate to the best of our knowledge at the time of printing. Please refer to for any updated information. 07/26/2017 Approved Lincoln Global, Inc. All Rights Reserved. Issue Date 01/12 THE LINCOLN ELECTRIC COMPANY St. Clair Avenue Cleveland, OH U.S.A. Phone:

7 SL SHAW COMPANY INC. Page 1 of 3 KSF900 WPS. KSF900 Revision 0 Date 4/22/2003 By L. CHILDRESS Authorized By Process(es) Supporting PQR(s) LEE SHAW Date 4/22/2003 : Prequalified Manual Machine SemiAuto Auto JOINT Backing BU2aGF Backing Material A572 GR Root Opening 1/4" Root Face Dimension N/A Groove Angle Method BASE METALS Material Spec. or Grade 45 Deg Thickness: Groove ( in ) 1/8" Fillet ( in ) Any Radius (JU) GROUP 1&2 to GROUP 1&2 Diameter (Pipe, ) FILLER METALS AWS Specification AWS Classification SHIELDING Flux Back Gouge ElectrodeFlux (Class) PREHEAT Preheat Temp., Min. Interpass Temp., Min. AWS E71T8 N/A Composition Flow Rate to Cup Size Thickness Up to 3/4" Temperature Over 3/4" to 1 Over 1 to 2 Over 2 Single Weld Max. DEG 1 DEG 225 DEG 300 DEG Double Weld 5 DEG POSITION Position of Groove Vertical Progression: Flat ELECTRICAL CHARACTERISTICS Transfer Mode (GMAW): Current: Other Tungsten Electrode (GTAW): Size TECHNIQUE Fillet Flat DIRECT CURRENT ELECTRODE NEEGATIVE Stringer or Weave Bead Stringer Multipass or Single Pass (per side) Number of Electrodes Electrode Spacing: Longitudinal Contact Tube to Work Distance Peening Interpass Cleaning 1 NOT REQUIRED Lateral Angle POSTWELD HEAT TREATMENT Temp. WELDING PROCEDURE Base Metal Groove Preparation Thickness Tolerances Permitted Joint ( U=unlimited ) Root Groove As Detailed As Fit Up Process Designation T 2 Opening Angle (see ) (see ) Positions R = 3/16 = 30 F,V,OH GMAW R = +1/16, 0 +1/4, 1/16 U R = 3/8 BU2aGF = 30 F,V,OH = +10, 0 +10, 5 R = 1/4 = 45 F,V,OH Up EITHER 3/4 1 1/4" DESLAG AND WIRE BRUSH Time Down ShortCircuiting Globular Spray AC DCEP DCEN Pulsed R PWHT Required Layer/Pass Process Filler Metal Class Diameter Cur. Amps or WFS Volts Travel Speed Other tes Shielding for Required t req. t req. N o t e s A, J ALL E71T8 5/64 DCEN ALL E71T8.072 DCEN

8 SL SHAW COMPANY INC. Page 2 of 3 KSF900 Joint ( U=unlimited ) Process Designation T 2 GMAW MEMO Base Metal Thickness Root Opening Groove Angle Groove Preparation Tolerances As Detailed As Fit Up (see ) (see ) APPLICABLE TO ALL MATERIALS INCLUDED IN GROUPS 1 AND 2 OF AWS D WEAVE IN ACCORDANCE WITH AWS D FILLER METAL MANUFACTURED BY LINCOLN Permitted Positions R = 3/16 = 30 F,V,OH R = +1/16, 0 +1/4, 1/16 BU2aGF U R = 3/8 = 30 F,V,OH = +10, 0 +10, 5 R = 1/4 = 45 F,V,OH tes for figures 3.3 and 3.4 A t prequalified for GMAWS or GTAW B Joint shall be welded from one side only. C Cyclic load applications limits these joints to the horizontal wlding position (see D Backgouge root to sound metal before welding second side. E SMAW detailed joints may be used for prequalified GMAW ( except GMAWS AND F Minimum weld size (E) as shown in table 3.4 S as specified on drawings. G If fillet welds are used in statically loaded structures to reinforce groove welds in corner and tjoints,these shall be equal tto /4, but need not exceed 3/8 in. (10mm). Groove welds in corner and tjoins of cyclically loaded structures shall be reinforced with fillet welds equal to /4, but need not exceed 3/8 in. (10mm) H Double groove welds may have grooves of unequal depth, but the depth of the shallower groove shall be not less than onefourth of the thickness of the thinner part joined. I Doublegroove welds may have grooves of unequal depth, provided these conform to the limitation of te 6. Also the weld size (E) applies individually to each groove. J The orientation of the two members in the joints may vary from 135 deg to 180 deg for butt joints, or 45 deg to 135 deg for corner joints, or 45 deg to 90 deg for Tjoints. K For corner joints, the outside groove preparation may be in either or both members, provided the basic groove configuration R Shielding for Required t req. t req. N o t e s A, J

9 SL SHAW COMPANY INC. Page 3 of 3 KSF900 MEMO (continue) is not changed and adequate edge ditance is maintained to support the welding operations without excessive edge melting. L Weld size (E) shall be based on joints welded flush. M For FlaveVgroove welds and flarebevelgroove welds to rectangular tubular sections, r shall be as two times the wall thickness. N For flarevgroove welds to srufaces with different radii r, the smaller r shall be used. PAGE NOT REVIEWED BY SE

10 Page 1 of 3 KSF901 WPS. KSF901 Revision 0 Date 4/22/2003 By L. CHILDRESS Authorized By Process(es) Supporting PQR(s) LEE SHAW Date 4/22/2003 : Prequalified Manual Machine SemiAuto Auto JOINT Backing BU2aGF Backing Material A572 GR Root Opening 1/4" Root Face Dimension N/A Groove Angle Method BASE METALS Material Spec. or Grade 45 Deg Thickness: Groove ( in ) 1/8" Fillet ( in ) Any Radius (JU) GROUP 1&2 to GROUP 1&2 Diameter (Pipe, ) FILLER METALS AWS Specification AWS Classification SHIELDING Flux Back Gouge ElectrodeFlux (Class) PREHEAT Preheat Temp., Min. Interpass Temp., Min. AWS E71T8 N/A Composition Flow Rate to Cup Size Thickness Up to 3/4" Temperature Over 3/4" to 1 Over 1 to 2 Over 2 Single Weld Max. DEG 1 DEG 225 DEG 300 DEG Double Weld 5 DEG POSITION Position of Groove Vertical Progression: Vertical ELECTRICAL CHARACTERISTICS Transfer Mode (GMAW): Current: Other Tungsten Electrode (GTAW): Size TECHNIQUE Fillet Vertical DIRECT CURRENT ELECTRODE NEGGATIVE Stringer or Weave Bead Both Multipass or Single Pass (per side) Number of Electrodes Electrode Spacing: Longitudinal Contact Tube to Work Distance Peening Interpass Cleaning 1 NOT REQUIRED Lateral Angle POSTWELD HEAT TREATMENT Temp. WELDING PROCEDURE Base Metal Groove Preparation Thickness Tolerances Permitted Joint ( U=unlimited ) Root Groove As Detailed As Fit Up Process Designation T 2 Opening Angle (see ) (see ) Positions R = 3/16 = 30 F,V,OH GMAW R = +1/16, 0 +1/4, 1/16 U R = 3/8 BU2aGF = 30 F,V,OH = +10, 0 +10, 5 R = 1/4 = 45 F,V,OH Up Both 3/4 11/4" DESLAG AND WIRE BRUSH Time Down ShortCircuiting Globular Spray AC DCEP DCEN Pulsed R PWHT Required Layer/Pass Process Filler Metal Class Diameter Cur. Amps or WFS Volts Travel Speed Other tes Shielding for Required t req. t req. N o t e s A, J ALL E71T8 5/64 DCEN ALL E7IT8.068 DCEN ALL E71T8.072 DCEN

11 Page 2 of 3 KSF901 Joint ( U=unlimited ) Process Designation T 2 GMAW MEMO Base Metal Thickness Root Opening Groove Angle Groove Preparation Tolerances As Detailed As Fit Up (see ) (see ) APPLICABLE TO ALL MATERIALS INCLUDED IN GROUPS 1 AND 2 OF AWS D WEAVE IN ACCORDANCE WITH AWS D FILLER METAL MANUFACTURED BY LINCOLN Permitted Positions R = 3/16 = 30 F,V,OH R = +1/16, 0 +1/4, 1/16 BU2aGF U R = 3/8 = 30 F,V,OH = +10, 0 +10, 5 R = 1/4 = 45 F,V,OH tes for figures 3.3 and 3.4 A t prequalified for GMAWS or GTAW B Joint shall be welded from one side only. C Cyclic load applications limits these joints to the horizontal wlding position (see D Backgouge root to sound metal before welding second side. E SMAW detailed joints may be used for prequalified GMAW ( except GMAWS AND F Minimum weld size (E) as shown in table 3.4 S as specified on drawings. G If fillet welds are used in statically loaded structures to reinforce groove welds in corner and tjoints,these shall be equal tto /4, but need not exceed 3/8 in. (10mm). Groove welds in corner and tjoins of cyclically loaded structures shall be reinforced with fillet welds equal to /4, but need not exceed 3/8 in. (10mm) H Double groove welds may have grooves of unequal depth, but the depth of the shallower groove shall be not less than onefourth of the thickness of the thinner part joined. I Doublegroove welds may have grooves of unequal depth, provided these conform to the limitation of te 6. Also the weld size (E) applies individually to each groove. J The orientation of the two members in the joints may vary from 135 deg to 180 deg for butt joints, or 45 deg to 135 deg for corner joints, or 45 deg to 90 deg for Tjoints. K For corner joints, the outside groove preparation may be in either or both members, provided the basic groove configuration R Shielding for Required t req. t req. N o t e s A, J

12 Page 3 of 3 KSF901 MEMO (continue) is not changed and adequate edge ditance is maintained to support the welding operations without excessive edge melting. L Weld size (E) shall be based on joints welded flush. M For FlaveVgroove welds and flarebevelgroove welds to rectangular tubular sections, r shall be as two times the wall thickness. N For flarevgroove welds to srufaces with different radii r, the smaller r shall be used. PAGE NOT REVIEWED BY SE

13 Page 1 of 3 KSF902 WPS. KSF902 Revision 0 Date 4/22/2003 By L. CHILDRESS Authorized By Process(es) Supporting PQR(s) LEE SHAW Date 4/22/2003 : Prequalified Manual Machine SemiAuto Auto JOINT Backing BU2aGF Backing Material A572 GR Root Opening 1/4 " Root Face Dimension N/A Groove Angle Method BASE METALS Material Spec. or Grade 45 Deg Thickness: Groove ( in ) 1/8" Fillet ( in ) Any Radius (JU) GROUP 1&2 to GROUP 1&2 Diameter (Pipe, ) FILLER METALS AWS Specification AWS Classification SHIELDING Flux Back Gouge ElectrodeFlux (Class) PREHEAT Preheat Temp., Min. Interpass Temp., Min. AWS E71T8 N/A Composition Flow Rate to Cup Size Thickness Up to 3/4" Temperature Over 3/4" to 1 Over 1 to 2 Over 2 Single Weld Max. DEG 1 DEG 225 DEG 300 DEG Double Weld 5 DEG POSITION Position of Groove Vertical Progression: Overhead ELECTRICAL CHARACTERISTICS Transfer Mode (GMAW): Current: Other Tungsten Electrode (GTAW): Size TECHNIQUE Fillet Overhead DIRECT CURRENT ELECTRODE NEGGATIVE Stringer or Weave Bead EITHER Multipass or Single Pass (per side) Number of Electrodes Electrode Spacing: Longitudinal Contact Tube to Work Distance Peening Interpass Cleaning 1 NOT REQUIRED Lateral Angle POSTWELD HEAT TREATMENT Temp. WELDING PROCEDURE Base Metal Groove Preparation Thickness Tolerances Permitted Joint ( U=unlimited ) Root Groove As Detailed As Fit Up Process Designation T 2 Opening Angle (see ) (see ) Positions R = 3/16 = 30 F,V,OH GMAW R = +1/16, 0 +1/4, 1/16 U R = 3/8 BU2aGF = 30 F,V,OH = +10, 0 +10, 5 R = 1/4 = 45 F,V,OH Up EITHER 3/4 11/4" DESLAG AND WIRE BRUSH Time Down ShortCircuiting Globular Spray AC DCEP DCEN Pulsed R PWHT Required Layer/Pass Process Filler Metal Class Diameter Cur. Amps or WFS Volts Travel Speed Other tes Shielding for Required t req. t req. N o t e s A, J ALL E71T8 5/64 DCEN ALL E71T8.072 DCEN

14 Page 2 of 3 KSF902 Joint ( U=unlimited ) Process Designation T 2 GMAW MEMO Base Metal Thickness Root Opening Groove Angle Groove Preparation Tolerances As Detailed As Fit Up (see ) (see ) APPLICABLE TO ALL MATERIALS INCLUDED IN GROUPS 1 AND 2 OF AWS D WEAVE IN ACCORDANCE WITH AWS D FILLER METAL MANUFACTURED BY LINCOLN Permitted Positions R = 3/16 = 30 F,V,OH R = +1/16, 0 +1/4, 1/16 BU2aGF U R = 3/8 = 30 F,V,OH = +10, 0 +10, 5 R = 1/4 = 45 F,V,OH tes for figures 3.3 and 3.4 A t prequalified for GMAWS or GTAW B Joint shall be welded from one side only. C Cyclic load applications limits these joints to the horizontal wlding position (see D Backgouge root to sound metal before welding second side. E SMAW detailed joints may be used for prequalified GMAW ( except GMAWS AND F Minimum weld size (E) as shown in table 3.4 S as specified on drawings. G If fillet welds are used in statically loaded structures to reinforce groove welds in corner and tjoints,these shall be equal tto /4, but need not exceed 3/8 in. (10mm). Groove welds in corner and tjoins of cyclically loaded structures shall be reinforced with fillet welds equal to /4, but need not exceed 3/8 in. (10mm) H Double groove welds may have grooves of unequal depth, but the depth of the shallower groove shall be not less than onefourth of the thickness of the thinner part joined. I Doublegroove welds may have grooves of unequal depth, provided these conform to the limitation of te 6. Also the weld size (E) applies individually to each groove. J The orientation of the two members in the joints may vary from 135 deg to 180 deg for butt joints, or 45 deg to 135 deg for corner joints, or 45 deg to 90 deg for Tjoints. K For corner joints, the outside groove preparation may be in either or both members, provided the basic groove configuration R Shielding for Required t req. t req. N o t e s A, J

15 Page 3 of 3 KSF902 MEMO (continue) is not changed and adequate edge ditance is maintained to support the welding operations without excessive edge melting. L Weld size (E) shall be based on joints welded flush. M For FlaveVgroove welds and flarebevelgroove welds to rectangular tubular sections, r shall be as two times the wall thickness. N For flarevgroove welds to srufaces with different radii r, the smaller r shall be used. PAGE NOT REVIEWED BY SE

16 Page 1 of 3 KSF903 WPS. KSF903 Revision 0 Date 4/23/2003 By L CHILDRESS Authorized By LEE SHAW Date 4/23/2003 Process(es) : Supporting PQR(s) Prequalified Manual Machine SemiAuto Auto JOINT TCU4aGF Backing Single Weld Double Weld Backing Material A572 GR R Root Opening 1/4" Root Face Dimension N/A Groove Angle Back Gouge Method BASE METALS Material Spec. or Grade 45 Deg Thickness: Groove ( in ) 1/8" Fillet ( in ) Any Radius (JU) GROUP 1&2 to GROUP 1&2 Diameter (Pipe, ) FILLER METALS AWS Specification AWS Classification SHIELDING Flux ElectrodeFlux (Class) PREHEAT Preheat Temp., Min. Interpass Temp., Min. AWS E71T8 N/A Composition Flow Rate to Cup Size Thickness Up to 3/4" Temperature Over 3/4" to 1 Over 1 to 2 Over 2 Max. DEG 1 DEG 225 DEG 300 DEG 5 DEG POSITION Position of Groove Vertical Progression: Horizontal ELECTRICAL CHARACTERISTICS Transfer Mode (GMAW): Current: Other Tungsten Electrode (GTAW): Size TECHNIQUE Fillet Horizontal DIRECT CURRENT ELECTRODE NEGATIVE Stringer or Weave Bead Both Multipass or Single Pass (per side) Number of Electrodes Electrode Spacing: Longitudinal Contact Tube to Work Distance Peening Interpass Cleaning 1 NOT REQUIRED Lateral Angle POSTWELD HEAT TREATMENT Temp. WELDING PROCEDURE Process SMAW Joint Designation TCU4a Base Metal Thickness (U=unlimited) U Up Root Opening Both 3/4 11/4" DESLAG AND WIRE BRUSH Time Groove Preparation Tolerances Groove As Detailed As Fit Up Angle (see ) (see ) Down ShortCircuiting Globular Spray T 2 U R = 3/8 = 30 R = 1/4 = 45 AC DCEP DCEN Pulsed T2 R = +1/16, 0 = +10, 0 +1/4,1/16 +10, 5 PWHT Required Layer/Pass Process Filler Metal Class Diameter Cur. Amps or WFS Volts Travel Speed Other tes ALL E71T8 5/64 DCEN ALL E71T8.072 DCEN Permitted Positions F,V,OH tes E, G, J, K E, G, J, K

17 Page 2 of 3 KSF903 Process MEMO SMAW Joint Designation TCU4a Base Metal Thickness (U=unlimited) U T 2 U Root Opening R = 3/8 Groove Preparation Tolerances Groove As Detailed As Fit Up Angle (see ) (see ) = 30 R = 1/4 = 45 APPLICABLE TO ALL MATERIALS INCLUDED IN GROUPS 1 AND 2 OF AWS D WEAVE IN ACCORDANCE WITH AWS D FILLER METAL MANUFACTURED BY LINCOLN Permitted Positions F,V,OH tes for figures 3.3 and 3.4 A t prequalified for GMAWS or GTAW B Joint shall be welded from one side only. C Cyclic load applications limits these joints to the horizontal wlding position (see D Backgouge root to sound metal before welding second side. E SMAW detailed joints may be used for prequalified GMAW ( except GMAWS AND F Minimum weld size (E) as shown in table 3.4 S as specified on drawings. G If fillet welds are used in statically loaded structures to reinforce groove welds in corner and tjoints,these shall be equal tto /4, but need not exceed 3/8 in. (10mm). Groove welds in corner and tjoins of cyclically loaded structures shall be reinforced with fillet welds equal to /4, but need not exceed 3/8 in. (10mm) H Double groove welds may have grooves of unequal depth, but the depth of the shallower groove shall be not less than onefourth of the thickness of the thinner part joined. I Doublegroove welds may have grooves of unequal depth, provided these conform to the limitation of te 6. Also the weld size (E) applies individually to each groove. J The orientation of the two members in the joints may vary from 135 deg to 180 deg for butt joints, or 45 deg to 135 deg for corner joints, or 45 deg to 90 deg for Tjoints. K For corner joints, the outside groove preparation may be in either or both members, provided the basic groove configuration T2 R = +1/16, 0 = +10, 0 R +1/4,1/16 +10, 5 tes E, G, J, K E, G, J, K

18 Page 3 of 3 KSF903 MEMO (continue) is not changed and adequate edge ditance is maintained to support the welding operations without excessive edge melting. L Weld size (E) shall be based on joints welded flush. M For FlaveVgroove welds and flarebevelgroove welds to rectangular tubular sections, r shall be as two times the wall thickness. N For flarevgroove welds to srufaces with different radii r, the smaller r shall be used. PAGE NOT REVIEWED BY SE

19 Page 1 of 3 KSF904 WPS. KSF904 Revision 0 Date 4/23/2003 By L CHILDRESS Authorized By Process(es) Supporting PQR(s) LEE SHAW Date 4/23/2003 : Prequalified Manual Machine SemiAuto Auto JOINT Backing TCU4aGF Backing Material A572 GR Root Opening 1/4 " Root Face Dimension N/A Groove Angle Method BASE METALS Material Spec. or Grade 45 Deg Thickness: Groove ( in ) 1/8" Fillet ( in ) Any Radius (JU) GROUP 1&2 to GROUP 1&2 Diameter (Pipe, ) FILLER METALS AWS Specification AWS Classification SHIELDING Flux Back Gouge ElectrodeFlux (Class) PREHEAT Preheat Temp., Min. Interpass Temp., Min. AWS E71T8 N/A Composition Flow Rate to Cup Size Thickness Up to 3/4" Temperature Over 3/4" to 1 Over 1 to 2 Over 2 Single Weld Max. DEG 1 DEG 225 DEG 300 DEG Double Weld 5 DEG POSITION Position of Groove Vertical Progression: Vertical ELECTRICAL CHARACTERISTICS Transfer Mode (GMAW): Current: Other Tungsten Electrode (GTAW): Size TECHNIQUE Fillet Vertical DIRECT CURRENT ELECTRODE NEGATIVE Stringer or Weave Bead EITHER Multipass or Single Pass (per side) Number of Electrodes Electrode Spacing: Longitudinal Contact Tube to Work Distance Peening Interpass Cleaning 1 NOT REQUIRED Lateral Angle POSTWELD HEAT TREATMENT Temp. WELDING PROCEDURE Base Metal Groove Preparation Thickness Tolerances Joint (U=unlimited) Root Groove As Detailed As Fit Up Process Designation T 2 Opening Angle (see ) (see ) R = 3/16 = 30 R = +1/16, 0 +1/4, 1/16 GMAW TCU4aGF U U R = 3/8 = 30 = +10, 0 +10, 5 R = 1/4 = 45 Up EITHER 3/4 11/4" DESLAG AND WIRE BRUSH Time Down ShortCircuiting Globular Spray AC DCEP DCEN Pulsed T2 PWHT Required Layer/Pass Process Filler Metal Class Diameter Cur. Amps or WFS Volts Travel Speed Other tes R Permitted Positions F Shielding for Required t req. t req. N o t e s A, G, J, K ALL E71T8 5/64 DCEN ALL E71T8.068 DCEN ALL E71T8,072 DCEN

20 Page 2 of 3 KSF904 Joint (U=unlimited) Process Designation T 2 GMAW MEMO TCU4aGF Base Metal Thickness Root Opening R = 3/16 U U R = 3/8 = 30 R = 1/4 = 30 = 45 APPLICABLE TO ALL MATERIALS INCLUDED IN GROUPS 1 AND 2 OF AWS D WEAVE IN ACCORDANCE WITH AWS D FILLER METAL MANUFACTURED BY LINCOLN tes for figures 3.3 and 3.4 A t prequalified for GMAWS or GTAW B Joint shall be welded from one side only. C Cyclic load applications limits these joints to the horizontal wlding position (see D Backgouge root to sound metal before welding second side. E SMAW detailed joints may be used for prequalified GMAW ( except GMAWS AND F Minimum weld size (E) as shown in table 3.4 S as specified on drawings. G If fillet welds are used in statically loaded structures to reinforce groove welds in corner and tjoints,these shall be equal tto /4, but need not exceed 3/8 in. (10mm). Groove welds in corner and tjoins of cyclically loaded structures shall be reinforced with fillet welds equal to /4, but need not exceed 3/8 in. (10mm) H Double groove welds may have grooves of unequal depth, but the depth of the shallower groove shall be not less than onefourth of the thickness of the thinner part joined. I Doublegroove welds may have grooves of unequal depth, provided these conform to the limitation of te 6. Also the weld size (E) applies individually to each groove. J The orientation of the two members in the joints may vary from 135 deg to 180 deg for butt joints, or 45 deg to 135 deg for corner joints, or 45 deg to 90 deg for Tjoints. K For corner joints, the outside groove preparation may be in either or both members, provided the basic groove configuration T2 Groove Preparation Tolerances Groove As Detailed As Fit Up Angle (see ) (see ) R = +1/16, 0 = +10, 0 R +1/4, 1/16 +10, 5 Permitted Positions F Shielding for Required t req. t req. N o t e s A, G, J, K

21 Page 3 of 3 KSF904 MEMO (continue) is not changed and adequate edge ditance is maintained to support the welding operations without excessive edge melting. L Weld size (E) shall be based on joints welded flush. M For FlaveVgroove welds and flarebevelgroove welds to rectangular tubular sections, r shall be as two times the wall thickness. N For flarevgroove welds to srufaces with different radii r, the smaller r shall be used. PAGE NOT REVIEWED BY SE

22 Page 1 of 3 KSF905 WPS. KSF905 Revision 0 Date 4/23/2003 By L CHILDRESS Authorized By Process(es) Supporting PQR(s) LEE SHAW Date 4/23/2003 : Prequalified Manual Machine SemiAuto Auto JOINT Backing TCU4aGF Backing Material A572 gr Root Opening 1/4" Root Face Dimension N/A Groove Angle Method BASE METALS Material Spec. or Grade 45 Deg Thickness: Groove ( in ) 1/8" Fillet ( in ) Any Radius (JU) GROUP 1&2 to GROUP 1&2 Diameter (Pipe, ) FILLER METALS AWS Specification AWS Classification SHIELDING Flux Back Gouge ElectrodeFlux (Class) PREHEAT Preheat Temp., Min. Interpass Temp., Min. AWS E71T8 N/A Composition Flow Rate to Cup Size Thickness Up to 3/4" Temperature Over 3/4" to 1 Over 1 to 2 Over 2 Single Weld Max. DEG 1 DEG 225 DEG 300 DEG Double Weld 5 DEG POSITION Position of Groove Vertical Progression: Overhead ELECTRICAL CHARACTERISTICS Transfer Mode (GMAW): Current: Other Tungsten Electrode (GTAW): Size TECHNIQUE Fillet Overhead DIRECT CURRENT ELECTRODE NEGATIVE Stringer or Weave Bead Both Multipass or Single Pass (per side) Number of Electrodes Electrode Spacing: Longitudinal Contact Tube to Work Distance Peening Interpass Cleaning 1 NOT REQUIRED Lateral Angle POSTWELD HEAT TREATMENT Temp. WELDING PROCEDURE Base Metal Groove Preparation Thickness Tolerances Joint (U=unlimited) Root Groove As Detailed As Fit Up Process Designation T 2 Opening Angle (see ) (see ) R = 3/16 = 30 R = +1/16, 0 +1/4, 1/16 GMAW TCU4aGF U U R = 3/8 = 30 = +10, 0 +10, 5 R = 1/4 = 45 Up Both 3/4 11/4" DESLAG AND WIRE BRUSH Time Down ShortCircuiting Globular Spray AC DCEP DCEN Pulsed T2 PWHT Required Layer/Pass Process Filler Metal Class Diameter Cur. Amps or WFS Volts Travel Speed Other tes R Permitted Positions F Shielding for Required t req. t req. N o t e s A, G, J, K 07/26/2017 ALL E71T8 5/64 DCEN ALL E71T8.072 DCEN

23 Page 2 of 3 KSF905 Joint (U=unlimited) Process Designation T 2 GMAW MEMO TCU4aGF Base Metal Thickness Root Opening R = 3/16 U U R = 3/8 = 30 R = 1/4 = 30 = 45 APPLICABLE TO ALL MATERIALS INCLUDED IN GROUPS 1 AND 2 OF AWS D WEAVE IN ACCORDANCE WITH AWS D FILLER METAL MANUFACTURED BY LINCOLN tes for figures 3.3 and 3.4 A t prequalified for GMAWS or GTAW B Joint shall be welded from one side only. C Cyclic load applications limits these joints to the horizontal wlding position (see D Backgouge root to sound metal before welding second side. E SMAW detailed joints may be used for prequalified GMAW ( except GMAWS AND F Minimum weld size (E) as shown in table 3.4 S as specified on drawings. G If fillet welds are used in statically loaded structures to reinforce groove welds in corner and tjoints,these shall be equal tto /4, but need not exceed 3/8 in. (10mm). Groove welds in corner and tjoins of cyclically loaded structures shall be reinforced with fillet welds equal to /4, but need not exceed 3/8 in. (10mm) H Double groove welds may have grooves of unequal depth, but the depth of the shallower groove shall be not less than onefourth of the thickness of the thinner part joined. I Doublegroove welds may have grooves of unequal depth, provided these conform to the limitation of te 6. Also the weld size (E) applies individually to each groove. J The orientation of the two members in the joints may vary from 135 deg to 180 deg for butt joints, or 45 deg to 135 deg for corner joints, or 45 deg to 90 deg for Tjoints. K For corner joints, the outside groove preparation may be in either or both members, provided the basic groove configuration T2 Groove Preparation Tolerances Groove As Detailed As Fit Up Angle (see ) (see ) R = +1/16, 0 = +10, 0 R +1/4, 1/16 +10, 5 Permitted Positions F Shielding for Required t req. t req. N o t e s A, G, J, K

24 Page 3 of 3 KSF905 MEMO (continue) is not changed and adequate edge ditance is maintained to support the welding operations without excessive edge melting. L Weld size (E) shall be based on joints welded flush. M For FlaveVgroove welds and flarebevelgroove welds to rectangular tubular sections, r shall be as two times the wall thickness. N For flarevgroove welds to srufaces with different radii r, the smaller r shall be used. PAGE NOT REVIEWED BY SE

25 Page 1 of 2 KSF906 WPS. KSF906 Revision 0 Date 4/23/2003 By L CHILDRESS Authorized By LEE SHAW Date 4/23/2003 Process(es) : Supporting PQR(s) Prequalified Manual Machine SemiAuto Auto JOINT TJOINT Backing Single Weld Double Weld Backing Material Root Opening Groove Angle Back Gouge Method BASE METALS Material Spec. or Grade Thickness: Groove ( ) Fillet ( in )Any Root Face Dimension Radius (JU) GROUP 1&2 to GROUP 1&2 Diameter (Pipe, ) FILLER METALS AWS Specification AWS Classification SHIELDING Flux ElectrodeFlux (Class) PREHEAT Preheat Temp., Min. AWS E71T8 N/A Composition Flow Rate to Cup Size Thickness Up to 3/4" Temperature Over 3/4" to 1 Over 1 to 2 Over 2 Interpass Temp., Min. Max. DEG 1 DEG 225 DEG 300 DEG 5 DEG POSITION Position of Groove Vertical Progression: Horizontal ELECTRICAL CHARACTERISTICS Transfer Mode (GMAW): Current: Other Tungsten Electrode (GTAW): Size TECHNIQUE Fillet Horizontal DIRECT CURRENT ELECTRODE NEGATIVE Stringer or Weave Bead Both Multipass or Single Pass (per side) Number of Electrodes Electrode Spacing: Longitudinal Contact Tube to Work Distance Peening Interpass Cleaning 1 NOT REQUIRED Lateral Angle POSTWELD HEAT TREATMENT Temp. WELDING PROCEDURE Up Both 3/4 11/4" DESLAG AND WIRE BRUSH Time Down ShortCircuiting Globular Spray AC DCEP DCEN Pulsed PWHT Required Layer/Pass Process Filler Metal Class Diameter Cur. Amps or WFS Volts Travel Speed Other tes ALL E71T8 5/64 DCEN ALL E71T8.072 DCEN

26 Page 2 of 2 KSF906 MEMO APPLICABLE TO ALL MATERIALS INCLUDED IN GROUPS 1 AND 2 OF AWS D WEAVE IN ACCORDANCE WITH AWS D FILLER METAL MANUFACTURED BY LINCOLN PAGE NOT REVIEWED BY SE

27 Page 1 of 2 KSF907 WPS. KSF907 Revision 0 Date 4/23/2003 By L CHILDRESS Authorized By LEE SHAW Date 4/23/2003 Process(es) : Supporting PQR(s) Prequalified Manual Machine SemiAuto Auto JOINT TJOINT Backing Single Weld Double Weld Backing Material Root Opening Groove Angle Back Gouge Method BASE METALS Material Spec. or Grade Thickness: Groove ( ) Fillet ( in )Any Root Face Dimension Radius (JU) GROUP 1&2 to GROUP 1&2 Diameter (Pipe, ) FILLER METALS AWS Specification AWS Classification SHIELDING Flux ElectrodeFlux (Class) PREHEAT Preheat Temp., Min. AWS E71T8 N/A Composition Flow Rate to Cup Size Thickness Up to 3/4" Temperature Over 3/4" to 1 Over 1 to 2 Over 2 Interpass Temp., Min. Max. DEG 1 DEG 225 DEG 300 DEG 5 DEG POSITION Position of Groove Vertical Progression: Vertical ELECTRICAL CHARACTERISTICS Transfer Mode (GMAW): Current: Other Tungsten Electrode (GTAW): Size TECHNIQUE Fillet Vertical DIRECT CURRENT ELECTRODE NEGATIVE Stringer or Weave Bead Both Multipass or Single Pass (per side) Number of Electrodes Electrode Spacing: Longitudinal Contact Tube to Work Distance Peening Interpass Cleaning 1 NOT REQUIRED Lateral Angle POSTWELD HEAT TREATMENT Temp. WELDING PROCEDURE Up Both 3/4 11/4" DESLAG AND WIRE BRUSH Time Down ShortCircuiting Globular Spray AC DCEP DCEN Pulsed PWHT Required Layer/Pass Process Filler Metal Class Diameter Cur. Amps or WFS Volts Travel Speed Other tes ALL E71T8 5/64 DCEN ALL E71T8.068 DCEN ALL E71T8.072 DCEN

28 Page 2 of 2 KSF907 MEMO APPLICABLE TO ALL MATERIALS INCLUDED IN GROUPS 1 AND 2 OF AWS D WEAVE IN ACCORDANCE WITH AWS D FILLER METAL MANUFACTURED BY LINCOLN PAGE NOT REVIEWED BY SE

29 Page 1 of 2 KSF908 WPS. KSF908 Revision 0 Date 4/23/2003 By L CHILDRESS Authorized By LEE SHAW Date 4/23/2003 Process(es) : Supporting PQR(s) Prequalified Manual Machine SemiAuto Auto JOINT TJOINT Backing Single Weld Double Weld Backing Material Root Opening Groove Angle Back Gouge Method BASE METALS Material Spec. or Grade Thickness: Groove ( ) Fillet ( in )Any Root Face Dimension Radius (JU) GROUP 1&2 to GROUP 1&2 Diameter (Pipe, ) FILLER METALS AWS Specification AWS Classification SHIELDING Flux ElectrodeFlux (Class) PREHEAT Preheat Temp., Min. AWS E71T8 N/A Composition Flow Rate to Cup Size Thickness Up to 3/4" Temperature Over 3/4" to 1 Over 1 to 2 Over 2 Interpass Temp., Min. Max. DEG 1 DEG 225 DEG 300 DEG 5 DEG POSITION Position of Groove Vertical Progression: Overhead ELECTRICAL CHARACTERISTICS Transfer Mode (GMAW): Current: Other Tungsten Electrode (GTAW): Size TECHNIQUE Fillet Overhead DIRECT CURRENT ELECTRODE NEGATIVE Stringer or Weave Bead Both Multipass or Single Pass (per side) Number of Electrodes Electrode Spacing: Longitudinal Contact Tube to Work Distance Peening Interpass Cleaning 1 NOT REQUIRED Lateral Angle POSTWELD HEAT TREATMENT Temp. WELDING PROCEDURE Up Both 3/4 11/4" DESLAG AND WIRE BRUSH Time Down ShortCircuiting Globular Spray AC DCEP DCEN Pulsed PWHT Required Layer/Pass Process Filler Metal Class Diameter Cur. Amps or WFS Volts Travel Speed Other tes ALL E71T8 5/64 DCEN ALL E71T8.072 DCEN

30 Page 2 of 2 KSF908 MEMO APPLICABLE TO ALL MATERIALS INCLUDED IN GROUPS 1 AND 2 OF AWS D WEAVE IN ACCORDANCE WITH AWS D FILLER METAL MANUFACTURED BY LINCOLN PAGE NOT REVIEWED BY SE

31 Page 1 of 3 KSF911 WPS. KSF911 Revision 0 Date 4/23/2003 By L CHILDRESS Authorized By Process(es) Supporting PQR(s) LEE SHAW Date 4/23/2003 : Prequalified Manual Machine SemiAuto Auto JOINT Backing BU4aGF Backing Material A572 GR Root Opening 1/4 " Root Face Dimension N/A Groove Angle Method BASE METALS Material Spec. or Grade 45 Deg Thickness: Groove ( in ) 1/8" Fillet ( in ) Any Radius (JU) GROUP 1&2 to GROUP 1&2 Diameter (Pipe, ) FILLER METALS AWS Specification AWS Classification SHIELDING Flux Back Gouge ElectrodeFlux (Class) PREHEAT Preheat Temp., Min. Interpass Temp., Min E71T8 N/A Composition Flow Rate to Cup Size Thickness Up to 3/4" Temperature Over 3/4" to 1 Over 1 to 2 Over 2 Single Weld Max. DEG 1 DEG 225 DEG 300 DEG Double Weld 5 DEG POSITION Position of Groove Vertical Progression: Vertical ELECTRICAL CHARACTERISTICS Transfer Mode (GMAW): Current: Other Tungsten Electrode (GTAW): Size TECHNIQUE Fillet Vertical DIRECT CURRENT ELECTRODE NEGATIVE Stringer or Weave Bead Stringer Multipass or Single Pass (per side) Number of Electrodes Electrode Spacing: Longitudinal Contact Tube to Work Distance Peening Interpass Cleaning 1 NOT REQUIRED Lateral Angle POSTWELD HEAT TREATMENT Temp. WELDING PROCEDURE Base Metal Thickness Joint (U=unlimited) Process Designation T 2 GMAW BU4aGF U R = 3/8 = 30 R = 1/4 = 45 Up Root Opening R = 3/16 Both 3/4 11/4" DESLAG AND WIRE BRUSH Time Down ShortCircuiting Globular Spray AC DCEP DCEN Pulsed R = 30 Groove Preparation Tolerances Groove As Detailed As Fit Up Angle (see ) (see ) PWHT Required = +10, 0 +10, 5 Layer/Pass Process Filler Metal Class Diameter Cur. Amps or WFS Volts Travel Speed Other tes R = +1/16, 0 +1/4, 1/16 Permitted Positions F Shielding for Required t req. t req. N o t e s A, C, J ALL E71T8 5/64 DCEN ALL E71T8.068 DCEN ALL E71T8.072 DCEN

32 Page 2 of 3 KSF911 Joint (U=unlimited) Process Designation T 2 GMAW MEMO Base Metal Thickness Root Opening R = 3/16 BU4aGF U R = 3/8 = 30 R = 1/4 APPLICABLE TO ALL MATERIALS INCLUDED IN GROUPS 1 AND 2 OF AWS D WEAVE IN ACCORDANCE WITH AWS D FILLER METAL MANUFACTURED BY LINCOLN R Groove Angle = 30 = 45 tes for figures 3.3 and 3.4 A t prequalified for GMAWS or GTAW B Joint shall be welded from one side only. C Cyclic load applications limits these joints to the horizontal wlding position (see D Backgouge root to sound metal before welding second side. E SMAW detailed joints may be used for prequalified GMAW ( except GMAWS AND F Minimum weld size (E) as shown in table 3.4 S as specified on drawings. G If fillet welds are used in statically loaded structures to reinforce groove welds in corner and tjoints,these shall be equal tto /4, but need not exceed 3/8 in. (10mm). Groove welds in corner and tjoins of cyclically loaded structures shall be reinforced with fillet welds equal to /4, but need not exceed 3/8 in. (10mm) H Double groove welds may have grooves of unequal depth, but the depth of the shallower groove shall be not less than onefourth of the thickness of the thinner part joined. I Doublegroove welds may have grooves of unequal depth, provided these conform to the limitation of te 6. Also the weld size (E) applies individually to each groove. J The orientation of the two members in the joints may vary from 135 deg to 180 deg for butt joints, or 45 deg to 135 deg for corner joints, or 45 deg to 90 deg for Tjoints. K For corner joints, the outside groove preparation may be in either or both members, provided the basic groove configuration Groove Preparation Tolerances As Detailed As Fit Up (see ) (see ) R = +1/16, 0 +1/4, 1/16 = +10, 0 +10, 5 Permitted Positions F Shielding for Required t req. t req. N o t e s A, C, J

33 Page 3 of 3 KSF911 MEMO (continue) is not changed and adequate edge ditance is maintained to support the welding operations without excessive edge melting. L Weld size (E) shall be based on joints welded flush. M For FlaveVgroove welds and flarebevelgroove welds to rectangular tubular sections, r shall be as two times the wall thickness. N For flarevgroove welds to srufaces with different radii r, the smaller r shall be used. PAGE NOT REVIEWED BY SE

34 Page 1 of 3 KSF912 WPS. KSF912 Revision 0 Date 4/23/2003 By L CHILDRESS Authorized By Process(es) Supporting PQR(s) LEE SHAW Date 4/23/2003 : Prequalified Manual Machine SemiAuto Auto JOINT Backing BU4aGF Backing Material A572 GR Root Opening 1/4 " Root Face Dimension N/A Groove Angle Method BASE METALS Material Spec. or Grade 45 Deg Thickness: Groove ( in ) 1/8" Fillet ( in ) Any Radius (JU) GROUP 1&2 to GROUP 1&2 Diameter (Pipe, ) FILLER METALS AWS Specification AWS Classification SHIELDING Flux Back Gouge ElectrodeFlux (Class) PREHEAT Preheat Temp., Min. Interpass Temp., Min E71T8 N/A Composition Flow Rate to Cup Size Thickness Up to 3/4" Temperature Over 3/4" to 1 Over 1 to 2 Over 2 Single Weld Max. DEG 1 DEG 225 DEG 300 DEG Double Weld 5 DEG POSITION Position of Groove Vertical Progression: Horizontal ELECTRICAL CHARACTERISTICS Transfer Mode (GMAW): Current: Other Tungsten Electrode (GTAW): Size TECHNIQUE Fillet Horizontal DIRECT CURRENT ELECTRODE NEGATIVE Stringer or Weave Bead Stringer Multipass or Single Pass (per side) Number of Electrodes Electrode Spacing: Longitudinal Contact Tube to Work Distance Peening Interpass Cleaning 1 NOT REQUIRED Lateral Angle POSTWELD HEAT TREATMENT Temp. WELDING PROCEDURE Base Metal Thickness Joint (U=unlimited) Process Designation T 2 GMAW BU4aGF U R = 3/8 = 30 R = 1/4 = 45 Up Root Opening R = 3/16 Both 3/4 11/4" DESLAG AND WIRE BRUSH Time Down ShortCircuiting Globular Spray AC DCEP DCEN Pulsed R = 30 Groove Preparation Tolerances Groove As Detailed As Fit Up Angle (see ) (see ) PWHT Required = +10, 0 +10, 5 Layer/Pass Process Filler Metal Class Diameter Cur. Amps or WFS Volts Travel Speed Other tes R = +1/16, 0 +1/4, 1/16 Permitted Positions F Shielding for Required t req. t req. N o t e s A,C, J ALL E71T8 5/64 DCEN ALL E71T8.072 DCEN

35 Page 2 of 3 KSF912 Joint (U=unlimited) Process Designation T 2 GMAW MEMO Base Metal Thickness Root Opening R = 3/16 BU4aGF U R = 3/8 = 30 R = 1/4 APPLICABLE TO ALL MATERIALS INCLUDED IN GROUPS 1 AND 2 OF AWS D WEAVE IN ACCORDANCE WITH AWS D FILLER METAL MANUFACTURED BY LINCOLN R Groove Angle = 30 = 45 tes for figures 3.3 and 3.4 A t prequalified for GMAWS or GTAW B Joint shall be welded from one side only. C Cyclic load applications limits these joints to the horizontal wlding position (see D Backgouge root to sound metal before welding second side. E SMAW detailed joints may be used for prequalified GMAW ( except GMAWS AND F Minimum weld size (E) as shown in table 3.4 S as specified on drawings. G If fillet welds are used in statically loaded structures to reinforce groove welds in corner and tjoints,these shall be equal tto /4, but need not exceed 3/8 in. (10mm). Groove welds in corner and tjoins of cyclically loaded structures shall be reinforced with fillet welds equal to /4, but need not exceed 3/8 in. (10mm) H Double groove welds may have grooves of unequal depth, but the depth of the shallower groove shall be not less than onefourth of the thickness of the thinner part joined. I Doublegroove welds may have grooves of unequal depth, provided these conform to the limitation of te 6. Also the weld size (E) applies individually to each groove. J The orientation of the two members in the joints may vary from 135 deg to 180 deg for butt joints, or 45 deg to 135 deg for corner joints, or 45 deg to 90 deg for Tjoints. K For corner joints, the outside groove preparation may be in either or both members, provided the basic groove configuration Groove Preparation Tolerances As Detailed As Fit Up (see ) (see ) R = +1/16, 0 +1/4, 1/16 = +10, 0 +10, 5 Permitted Positions F Shielding for Required t req. t req. N o t e s A,C, J