Updated ASME IX 2021

P-1 Gr.-1

  • Material: API 5L X52 PSL1 Normalized ASME B36.10M SMLS
  • P-Number 1 and Gr-Number 1
  • Pipe size: NPS 8” Sch 80 (12.7 mm)
  • Joint design: Groove, included angle 60 deg.
  • Welding process: SMAW deposit 12.7 mm, manual.

Recommend base metal is API 5L Gr. X52 PSL 1 SMLS

Paragraph Variables SMAW
QW-402  Joints
.1 change Groove design Groove
.4 deletion Backing With/Without backing
.10 change Root spacing 3.0 – 4.0 mm
.11 deletion/addition Retainers None
QW-403 Base Metals
.5 change Group Number Any Gr. 1 to any Gr. 1
.6 T limits toughness 12.7 to 25.4 mm
.8 change T Qualified 5 to 25.4 mm
.9 t pass > 13 mm None
.11 change P Qualified 1
QW-404  Filler metals
.4 change F Number 4
.5 change A Number 1
.6 change Diameter 3.2 mm
.7 Deleted
.12 change Classification SFA 5.1 E7016
.30 change t 25.4 mm
.33 change Classification SFA 5.1 E7016
QW-405  Positions
.1 addition Position All
.3 change Vertical welding Upward
QW-406  Preheat
.1 Decrease > 55 deg. C Min. 10 deg.C
.2 change Preheat maintenance None
.3 Increase > 55 deg. C Max. 250 deg. C
QW-407  PWHT
.1 change PWHT None
.2 change PWHT (T & T range) None
QW-409 Electrical characteristics
.1 increase Heat input [note]
.4 change Current and Polarity DC EP
.8 change I & E range [note]
QW-410  Technique
.1 change String/weave string / weave
.5 change Method cleaning grinding, wire brushing
.6 change Method back gouge Grinding / Back gouging
.9 change Multi to single pass/ side Multi-passes
.25 change Manual or automatic Manual
.26 Addition/Deletion Peening None
.64 Use of thermal processes None

P-1 Gr-2

Other welding variables may preset the same P-1 & Gr-1 welding variables excepted changing as below:

  • Material ASTM A516 Grade 60 to ASTM A516 Grade 70
  • P-Number 1 and Gr-Number 1 to P-Number 1 and Gr-Number 2
  • Thickness 12.7 mm.
  • Joint design: Groove, included angle 60 deg.
  • Welding process: SMAW deposit 12.7 mm, manual, with backing
Paragraph Variables SMAW
QW-402  Joints
.4 deletion Backing With backing
QW-403  Base Metals
.5 change Group Number Any Gr. 1 to any Gr. 2
QW-404  Filler metals
.12 change Classification SFA 5.1 E7016
.33 change Classification SFA 5.1 E7016
QW-410  Technique
.6 change Method back gouge Grinding / Back gouging

P-1 Gr.-2 to P-1 Gr.-2

Other welding variables may preset the same above parameters and changing as below:

  • Material: ASTM A516 Grade 70 to ASTM A516 Grade 70
  • P-Number 1 and Gr-Number 2
  • Thickness 12.7 mm
  • Joint design: Groove, included angle 60 deg.
  • Position: 1G.
  • Welding process: SMAW deposit 12.7 mm, manual, with backing
Paragraph Variables SMAW
QW-402  Joints
.4 deletion Backing With backing
QW-403  Base Metals
.5 change Group Number Any Gr. 2 to any Gr. 2
QW-404  Filler metals
.12 change Classification SFA 5.1 E7016/18
.33 change Classification SFA 5.1 E7016/18
QW-410  Technique
.6 change Method back gouge Grinding / Back gouging

P-1 Gr.-1 (LTCS)

Other welding variables may preset the same above parameters and changing as below:

  • Material: ASTM A333 Grade 6 to ASTM A333 Grade 6
  • P-Number 1 and Gr-Number 1
  • Thickness 12.7 mm
  • Joint design: Groove, included angle 60 deg.
  • Position: 6G.
  • Welding process: SMAW deposit 12.7 mm, manual, with backing
Paragraph Variables SMAW
QW-402  Joints
.4 deletion Backing With backing
QW-403  Base Metals
.5 change Group Number Any Gr. 1 to any Gr. 1
QW-404  Filler metals
.12 change Classification SFA 5.1 E7018-1
.33 change Classification SFA 5.1 E7018-1
QW-410  Technique
.6 change Method back gouge Grinding / Back gouging

P-8 Gr.-1 to P-8 Gr.-1 (TP304)

  • Material: ASTM A240 TP304/304L
  • P-Number 8 and Gr-Number 1
  • Plate thickness 12.7 mm
  • Joint design: Groove, included angle 60 deg.
  • Position: 1G
  • Welding process: SMAW deposit 12.7 mm, manual, with backing.
Paragraph Variables SMAW
QW-402  Joints
.1 change Groove design Groove
.4 deletion Backing With/Without backing
.10 change Root spacing 3.0 – 4.0 mm
.11 deletion/addition Retainers None
QW-403  Base Metals
.5 change Group Number Any Gr. 1 to any Gr. 1
.6 T limits toughness 12.7 to 25.4 mm
.8 change T Qualified 5 to 25.4 mm
.9 t pass > 13 mm None
.11 change P Qualified 8
QW-404  Filler metals
.4 change F Number 5 (*)
.5 change A Number 8
.6 change Diameter 3.2 mm
.7 Deleted
.12 change Classification SFA 5.4 E308L-15
.30 change t 25.4 mm
.33 change Classification SFA 5.4 E308L-15
QW-405  Positions
.1 addition Position All
.3 change Vertical welding Upward
QW-406  Preheat
.1 Decrease > 55 deg. C Min. 10 deg. C
.2 change Preheat maintenance None
.3 Increase > 55 deg. C Max. 150 deg. C
QW-407  PWHT
.1 change PWHT None
.2 change PWHT (T & T range) None
QW-409  Electrical characteristics
.1 increase Heat input [note]
.4 change Current and Polarity DC EP
.8 change I & E range [note]
QW-410  Technique
.1 change String/weave string / weave
.5 change Method cleaning grinding, wire brushing
.6 change Method back gouge Grinding
.9 change Multi to single pass/ side Multi-passes
.25 change Manual or automatic Manual
.26 Addition/Deletion Peening None
.64 Use of thermal processes None

(*) AWS A5.4 – classified stainless steel is F-No. 5.


P-8 Gr.-1 (Type 316)

Other welding variables may preset the same above parameters and changing as below:

  • Material: ASTM A240 TP316/316L
  • P-Number 8 and Gr-Number 1
  • Plate thickness 12.7 mm
  • Joint design: Groove, included angle 60 deg.
  • Position: 1G
  • Welding process: SMAW deposit 12.7 mm, manual, with backing.
Paragraph Variables SMAW
QW-404  Filler metals
.12 change Classification SFA 5.4 E316L-15
.33 change Classification SFA 5.4 E316L-15

P-No. 1 to P-No. 8

  • Material: API 5L Grade X52 to ASTM A240 TP316/316L
  • P-Number 1 and Gr-Number 1 to P-Number 8 and Gr-Number 1
  • Plate thickness 12.7 mm
  • Joint design: Groove, included angle 60 deg.
  • Position: 1G
  • Welding process: SMAW deposit 12.7 mm, manual, with backing.
Paragraph Variables SMAW
QW-402  Joints
.1 change Groove design Groove
.4 deletion Backing With/Without backing
.10 change Root spacing 3.0 – 4.0 mm
.11 deletion/addition Retainers None
QW-403  Base Metals
.5 change Group Number Any Gr. 1 to any Gr. 1
.6 T limits toughness 12.7 to 25.4 mm
.8 change T Qualified 5 to 25.4 mm
.9 t pass > 13 mm None
.11 change P Qualified Any P-No. 1 to any P-No. 8
QW-404  Filler metals
.4 change F Number 5
.5 change A Number 8
.6 change Diameter 3.2 mm
.7 change Diameter > (6 mm) None
.12 change Classification SFA 5.4 E309L-15
.30 change t 25.4 mm
.33 change Classification SFA 5.4 E309L-15
QW-405  Positions
.1 addition Position All
.3 change Vertical welding Upward
QW-406  Preheat
.1 Decrease > 55 deg. C Min. 10 deg.C
.2 change Preheat maintenance None
.3 Increase > 55 deg. C Max. 150 deg. C
QW-407  PWHT
.1 change PWHT None
.2 change PWHT (T & T range) None
QW-409  Electrical characteristics
.1 increase Heat input [note]
.4 change Current and Polarity DC EP
.8 change I & E range [note]
QW-410  Technique
.1 change String/weave string / weave
.5 change Method cleaning grinding, wire brushing
.6 change Method back gouge Grinding
.9 change Multi to single pass/ side Multi-passes
.25 change Manual or automatic Manual
.26 Addition/Deletion Peening None
.64 Use of thermal processes None

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