Welding procedure specification for GTAW & SMAW

Update ASME IX 2019
Deteled: QW-405.2

WPS for P-No. 1

P-No.-1 Gr-No.-1 to P-No.-1 Gr-No.-1

  • Material: API 5L X52 PSL1 SMLS ASME B16.10M.
  • Pipe size: NPS 8” 12.7 mm.
  • Joint design: Groove, included angle 60 deg.
  • Position: 6G.
  • Welding process: GTAW deposit 3.0 mm, SMAW deposited 9.7 mm, manual.

Description

Description of WPS, read more here.

Welding variables

QW-402 Joint details GTAW SMAW
QW-402.1: Groove design Groove and fillet weld Groove and fillet weld
QW-402.4: Backing n/a weld metal
QW-402.5: Backing None n/a
QW-402.10: Root spacing 3.0 - 4.0 mm 3.0 - 4.0 mm
QW-402.11: Retainers None n/a
QW-403 Base metal
QW-403.5: Group number 1 1
QW-403.6: T limits toughness 12.7 to 25.4 mm
QW-403.8: T Qualified 5 to 25.4 mm
QW-403.9: t pass > 13 mm n/a None
QW-403.11: P Qualified 1 1
QW-404 Filler metal
QW-404.3 Size 2.4 mm n/a
QW-404.4 F Number 6 4
QW-404.5 A Number 1 1
QW-404.6 Diameter n/a 4.0, 3.2 or 2.6 mm
QW-404.7 Diameter > 6 mm n/a None
QW-404.12 Classification SFA5.18 ER70S-6 SFA5.1 E7018/E7016
QW-404.14 Filler Yes n/a
QW-404.22 Consumable Insert None n/a
QW-404.23 Filler metal product form Solid n/a
QW-404.30 Max. Deposit thickness (t) 6 mm 19 mm
QW-404.33 Classification None None
QW-404.50 Flux None n/a
QW-405 Positions
QW-405.1 Position All All
QW-405.3 Vertical welding Upward Upward
QW-406 Preheat
QW-406.1 Decrease > 55 deg. C min. 10 deg.C min. 10 deg.C
QW-406.2 Preheat maintenance None None
QW-406.3 Increase > 55 deg. C max. 250 deg. C max. 250 deg. C
QW-407 PWHT
QW-407.1 change PWHT None None
QW-407.2 change PWHT (T & T range) None None
QW-407.4 T limits None None
QW-408 Gas
QW-408.1 Trailing or composition SG-A n/a
QW-408.2 Single, mixture % 100% n/a
QW-408.3 Flow rate 10-15 lpm n/a
QW-408.5 Backing flow None n/a
QW-408.9 Backing or composition None n/a
QW-408.10 Shielding or trailing None n/a
QW-409 Electrical characteristics
QW-409.1 Heat input 0.5 - 2.5 kJ max. 3.0 kJ
QW-409.3 Pulsing current None n/a
QW-409.4 Current and Polarity DC EN DC EP
QW-409.8 I & E range A: 80-150 /V:10-14 A:100-200 /V:18-26
QW-409.12 Tungsten electrode 2.4mm, 2%thoriated n/a
QW-410 Technique
QW-410.1 String/weave Weave both
QW-410.3 Orifice, nozzle or gas cup size 4 – 7 n/a
QW-410.5 Method cleaning grinding, wire brushing grinding, wire brushing
QW-410.6 Method back gouge None None
QW-410.7 Oscillation None n/a
QW-410.9 Multi to single pass/ side Multiple Multiple
QW-410.10 Single to multi electrodes Single Single
QW-410.11 Closed to out chamber None n/a
QW-410.15 Electrode spacing None n/a
QW-410.25 Manual or automatic Manual Manual
QW-410.26 Peening None None
QW-410.64 Use of thermal processes None None

Download template here.

P-No.-1 Gr-No.-1 to P-No.-1 Gr-No.-1 (LTCS)

  • Material: ASTM A333 Grade 6 SMLS ASME B16.10M.
  • Pipe size: NPS 8” 12.7 mm.
  • Joint design: Groove, included angle 60 deg.
  • Position: 6G.
  • Welding process: GTAW deposit 3.0 mm, SMAW deposited 9.7 mm, manual.

Description

Description of WPS, read more here.

Welding variables

QW-402 Joint details GTAW SMAW
QW-402.1: Groove design Groove and fillet weld Groove and fillet weld
QW-402.4: Backing n/a weld metal
QW-402.5: Backing None n/a
QW-402.10: Root spacing 3.0 - 4.0 mm 3.0 - 4.0 mm
QW-402.11: Retainers None n/a
QW-403 Base metal
QW-403.5: Group number Any Gr. 1 Any Gr. 1
QW-403.6: T limits toughness 12.7 to 25.4 mm
QW-403.8: T Qualified 5 to 25.4 mm
QW-403.9: t pass > 13 mm n/a None
QW-403.11: P Qualified 1 1
QW-404 Filler metal
QW-404.3 Size 2.4 mm n/a
QW-404.4 F Number 6 4
QW-404.5 A Number 1 1
QW-404.6 Diameter n/a 3.2 mm
QW-404.7 Diameter > 6 mm n/a None
QW-404.12 Classification SFA5.18 ER70S-6 SFA5.1 E7018-1
QW-404.14 Filler Yes n/a
QW-404.22 Consumable Insert None n/a
QW-404.23 Filler metal product form Solid n/a
QW-404.30 Max. Deposit thickness (t) 6 mm 19 mm
QW-404.33 Classification None None
QW-404.50 Flux None n/a
QW-405 Positions
QW-405.1 Position All All
QW-405.3 Vertical welding Upward Upward
QW-406 Preheat
QW-406.1 Decrease > 55 deg. C min. 10 deg.C min. 10 deg.C
QW-406.2 Preheat maintenance None None
QW-406.3 Increase > 55 deg. C max. 250 deg. C max. 250 deg. C
QW-407 PWHT
QW-407.1 change PWHT None None
QW-407.2 change PWHT (T & T range) None None
QW-407.4 T limits None None
QW-408 Gas
QW-408.1 Trailing or composition SG-A n/a
QW-408.2 Single, mixture % 100% Argon n/a
QW-408.3 Flow rate 10-15 lpm n/a
QW-408.5 Backing flow None n/a
QW-408.9 Backing or composition None n/a
QW-408.10 Shielding or trailing None n/a
QW-409 Electrical characteristics
QW-409.1 Heat input 0.5 - 2.5 kJ max. 3.0 kJ
QW-409.3 Pulsing current None n/a
QW-409.4 Current and Polarity DC EN DC EP
QW-409.8 I & E range A: 80-150 /V:10-14 A:100-200 /V:18-26
QW-409.12 Tungsten electrode 2.4mm, 2%thoriated n/a
QW-410 Technique
QW-410.1 String/weave Weave both
QW-410.3 Orifice, nozzle or gas cup size 4 – 7 n/a
QW-410.5 Method cleaning grinding, wire brushing grinding, wire brushing
QW-410.6 Method back gouge None Grinding/ Back gouging
QW-410.7 Oscillation None n/a
QW-410.9 Multi to single pass/ side Multiple Multiple
QW-410.10 Single to multi electrodes Single Single
QW-410.11 Closed to out chamber None n/a
QW-410.15 Electrode spacing None n/a
QW-410.25 Manual or automatic Manual Manual
QW-410.26 Peening None None
QW-410.64 Use of thermal processes None None

P-No.-1 Gr-No.-2 to P-No.-1 Gr-No.-2

  • Material: ASTM A516 Grade 70
  • Thickness 12.7 mm.
  • Joint design: Groove, included angle 60 deg.
  • Position: 1G.
  • Welding process: GTAW deposit 3.0 mm, SMAW deposited 9.7 mm, manual.

Description

Description of WPS, read more here.

Welding variables

QW-402 Joint details GTAW SMAW
QW-402.1: Groove design Groove and fillet weld Groove and fillet weld
QW-402.4: Backing n/a weld metal
QW-402.5: Backing None n/a
QW-402.10: Root spacing 3.0 - 4.0 mm 3.0 - 4.0 mm
QW-402.11: Retainers None n/a
QW-403 Base metal
QW-403.5: Group number Any Gr. 2 Any Gr. 2
QW-403.6: T limits toughness 12.7 to 25.4 mm
QW-403.8: T Qualified 5 to 25.4 mm
QW-403.9: t pass > 13 mm n/a None
QW-403.11: P Qualified 1 1
QW-404 Filler metal
QW-404.3 Size 2.4 mm n/a
QW-404.4 F Number 6 4
QW-404.5 A Number 1 1
QW-404.6 Diameter n/a 3.2 mm
QW-404.7 Diameter > 6 mm n/a None
QW-404.12 Classification SFA5.18 ER70S-6 SFA5.1 E7016/18
QW-404.14 Filler Yes n/a
QW-404.22 Consumable Insert None n/a
QW-404.23 Filler metal product form Solid n/a
QW-404.30 Max. Deposit thickness (t) 6 mm 19 mm
QW-404.33 Classification None None
QW-404.50 Flux None n/a
QW-405 Positions
QW-405.1 Position All All
QW-405.3 Vertical welding Upward Upward
QW-406 Preheat
QW-406.1 Decrease > 55 deg. C min. 10 deg.C min. 10 deg.C
QW-406.2 Preheat maintenance None None
QW-406.3 Increase > 55 deg. C max. 250 deg. C max. 250 deg. C
QW-407 PWHT
QW-407.1 change PWHT None None
QW-407.2 change PWHT (T & T range) None None
QW-407.4 T limits None None
QW-408 Gas
QW-408.1 Trailing or composition SG-A n/a
QW-408.2 Single, mixture % 100% Argon n/a
QW-408.3 Flow rate 10-15 lpm n/a
QW-408.5 Backing flow None n/a
QW-408.9 Backing or composition None n/a
QW-408.10 Shielding or trailing None n/a
QW-409 Electrical characteristics
QW-409.1 Heat input 0.5 - 2.5 kJ max. 3.0 kJ
QW-409.3 Pulsing current None n/a
QW-409.4 Current and Polarity DC EN DC EP
QW-409.8 I & E range A: 80-150 /V:10-14 A:100-200 /V:18-26
QW-409.12 Tungsten electrode 2.4mm, 2%thoriated n/a
QW-410 Technique
QW-410.1 String/weave Weave both
QW-410.3 Orifice, nozzle or gas cup size 4 – 7 n/a
QW-410.5 Method cleaning grinding, wire brushing grinding, wire brushing
QW-410.6 Method back gouge None Grinding/ Back gouging
QW-410.7 Oscillation None n/a
QW-410.9 Multi to single pass/ side Multiple Multiple
QW-410.10 Single to multi electrodes Single Single
QW-410.11 Closed to out chamber None n/a
QW-410.15 Electrode spacing None n/a
QW-410.25 Manual or automatic Manual Manual
QW-410.26 Peening None None
QW-410.64 Use of thermal processes None None

WPS for P-No. 8

P-No.-8 Gr-No.-1 to P-No.-8 Gr-No.-1

  • Material: ASTM A312 TP316/316L SMLS ASME B16.19M.
  • Pipe size: NPS 8” 12.7 mm.
  • Joint design: Groove, included angle 60 deg.
  • Position: 6G.
  • Welding process: GTAW deposit 3.0 mm, SMAW deposited 9.7 mm, manual.

Description

Description of WPS, read more here.

Welding variables

QW-402 Joint details GTAW SMAW
QW-402.1: Groove design Groove and fillet weld Groove and fillet weld
QW-402.4: Backing n/a weld metal
QW-402.5: Backing None n/a
QW-402.10: Root spacing 3.0 - 4.0 mm 3.0 - 4.0 mm
QW-402.11: Retainers None n/a
QW-403 Base metal
QW-403.5: Group number 1 1
QW-403.6: T limits toughness 12.7 to 25.4 mm
QW-403.8: T Qualified 5 to 25.4 mm
QW-403.9: t pass > 13 mm n/a None
QW-403.11: P Qualified 8 8
QW-404 Filler metal
QW-404.3 Size 2.4 mm n/a
QW-404.4 F Number 6 5
QW-404.5 A Number 8 8
QW-404.6 Diameter n/a 3.2 mm
QW-404.7 Diameter > 6 mm n/a None
QW-404.12 Classification SFA5.9 ER316L SFA5.4 E316L-15
QW-404.14 Filler Yes n/a
QW-404.22 Consumable Insert None n/a
QW-404.23 Filler metal product form Solid n/a
QW-404.30 Max. Deposit thickness (t) 6 mm 19 mm
QW-404.33 Classification None None
QW-404.50 Flux None n/a
QW-405 Positions
QW-405.1 Position All All
QW-405.3 Vertical welding Upward Upward
QW-406 Preheat
QW-406.1 Decrease > 55 deg. C min. 10 deg.C min. 10 deg.C
QW-406.2 Preheat maintenance None None
QW-406.3 Increase > 55 deg. C max. 150 deg. C max. 150 deg. C
QW-407 PWHT
QW-407.1 change PWHT None None
QW-407.2 change PWHT (T & T range) None None
QW-407.4 T limits None None
QW-408 Gas
QW-408.1 Trailing or composition SG-A n/a
QW-408.2 Single, mixture % 100% n/a
QW-408.3 Flow rate 10-15 lpm n/a
QW-408.5 Backing flow 100% Argon, 10 – 15 lpm n/a
QW-408.9 Backing or composition None n/a
QW-408.10 Shielding or trailing None n/a
QW-409 Electrical characteristics
QW-409.1 Heat input 0.5 - 2.5 kJ max. 3.0 kJ
QW-409.3 Pulsing current None n/a
QW-409.4 Current and Polarity DC EN DC EP
QW-409.8 I & E range A: 80-150 /V:10-14 A:100-200 /V:18-26
QW-409.12 Tungsten electrode 2.4mm, 2%thoriated n/a
QW-410 Technique
QW-410.1 String/weave Weave both
QW-410.3 Orifice, nozzle or gas cup size 4 – 7 n/a
QW-410.5 Method cleaning grinding, wire brushing grinding, wire brushing
QW-410.6 Method back gouge None None
QW-410.7 Oscillation None n/a
QW-410.9 Multi to single pass/ side Multiple Multiple
QW-410.10 Single to multi electrodes Single Single
QW-410.11 Closed to out chamber None n/a
QW-410.15 Electrode spacing None n/a
QW-410.25 Manual or automatic Manual Manual
QW-410.26 Peening None None
QW-410.64 Use of thermal processes None None
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