The document discusses welding qualification requirements according to ASME Section IX, including:
1. Tables outlining qualification test positions and types of welds qualified for plate and pipe groove and fillet welds in various positions.
2. Notes specifying definitions for weld positions, diameter restrictions, and that positions of welding must be shown in QW-461 and QW-461.2.
3. Requirements for number and types of examinations and test specimens required based on thickness of weld metal.
4. Limits on thickness of weld metal qualified based on thickness of test coupon and number of weld pass layers.
5. References diameter limits for groove welds in
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3. PLATE - GROOVE
Plate andPipe Over
24 in (610 mm) OD
Pipe <=24 in (610)
mm OD
Pipe and plate
Plate -Groove 1G F F (NOTE 2) F
Plate -Groove 2G F, H F, H (NOTE2) F, H
Plate -Groove 3G F, V F, NOTE2 F, H,V
Plate -Groove 4G F,O F, NOTE2 F, H,O
Plate -Groove 3G& 4G F, V, O F, NOTE2 ALL
Plate -Groove
2G,3G,
&4G
ALL F,H NOTE2 ALL
Plate -Groove
Special
Position
SP,F SP,F SP,F
Groove Fillet
Weld Position
Qualification Test Position And Type Weld Qualified (Note 1)
NOTE1:
1)Position Of Welding As Shown As Shown In QW-461 And QW-461.2
F= Flat,H=Horizontal,V=Vertical,O=Overhead
2)Pipe 2 7/8 in (72mm) OD and over
3) See Diameter Restrictions In Qw-452.3, Qw452.4, Qw452.6
4. Plate andPipe over
24 in (610 mm) OD
Pipe <=24 in (610)
mm OD
Pipe and plate
Plate -Fillet 1F -- -- F NOTE 2
Plate -Fillet 2F -- -- F, H NOTE2
Plate -Fillet 3F -- -- F, H,V NOTE2
Plate -Fillet 4F -- -- F, H,O NOTE2
Plate -Fillet 3F &4F -- -- ALL NOTE2
Plate -Fillet
Special
Position
-- -- SP,F NOTE2
NOTE
F= Flat H=HorizontalV=Vertical, O=Overhead
3)See Diameter Restrictions In Qw-452.3, Qw452.4, Qw452.6
Groove Fillet
Weld Position
1)Position Of Welding As Shown As Shown In Qw-461 And Qw-461.2
2)Pipe 2 7/8 in (72mm) od and over
Qualification Test Position And Type Weld Qualified (Note 1)
PLATE - FILLET
5. Plate andPipe Over
24 in (610 mm) OD
Pipe <=24 in (610)
mm OD
Pipe and plate
Pipe-Groove 1G F F F
Pipe-Groove 2G F,H F,H F, H
Pipe-Groove 5G F,V,O F,V,O ALL
Pipe-Groove 6G ALL ALL ALL
Pipe-Groove 2G&5G ALL ALL ALL
Pipe-Groove
Special
Position
SP,F SP,F SP,F
NOTE
F= Flat H=HorizontalV=Vertical,
1)Position Of Welding As Shown As Shown In Qw-461 And Qw-461.2
O=Overhead
2)Pipe 2 7/8 in (72mm) od and over
3)See DiameterRestrictions In Qw-452.3, Qw452.4, Qw452.6
Groove Fillet
Weld Position
Qualification Test Position And Type Weld Qualified (Note 1)
PIPE-GROOVE
6. Plate and Pipe over
24 in (610 mm) OD
Pipe <=24 in (610)
mm OD
Pipe and plate
Pipe-Fillet 1F -- -- F
Pipe-Fillet 2F -- -- F, H
Pipe-Fillet 2FR -- -- F,H
Pipe-Fillet 4F -- -- F,H,O
Pipe-Fillet 5F -- -- ALL
Pipe-Fillet
Special
Position
-- -- SP,F
NOTE
F= Flat H=HorizontalV=Vertical,
Qualification Test Position And Type Weld Qualified (Note 1)
Groove Fillet
Weld Position
1)Position Of Welding As Shown As Shown In Qw-461 And Qw-461.2
O=Overhead
2)Pipe 2 7/8 in (72mm) od and over
3)See Diameter Restrictions In Qw-452.3, Qw452.4, Qw452.6
PIPE – FILLET
31. Qualified With
Qualified For
X
X
X
X
F-No5 with out
Backing
X
F-No5 with
Backing
X
F-No4 with out
Backing
F-No 4 with
Backing X
X
F-No3 with out
Backing X
F-No 3 with
Backing X X X
X
F-No 2 with out
Backing X
F-No 2 with
Backing X X X X X
X X
F-No 1 with out
Backing X
F-No5
with
Backing
F-No5
with out
Backing
F-No 1 with
Backing X X X X X X X
F-No 3
with
Backing
F-No3
with out
Backing
F-No 4
with
Backing
F-No4
with out
Backing
F-No 1
with
Backing
F-No 1
with out
Backing
F-No 2
with
Backing
F-No 2
with out
Backing
32. QUALIFIED WITH QUALIFIED FOR QUALIFIED WITH QUALIFIED FOR
F-NO 1 WITH BACKING F-NO 1 WITH BACKING F-NO 1 WITH BACKING
F-NO 1 WITH BACKING F-NO 2 WITH BACKING
F-NO 1 WITH OUT BACKING F-NO 3 WITH BACKING
F-NO 1 WITH BACKING F-NO 4 WITH BACKING
F-NO 2 WITH BACKING F-NO 1 WITH BACKING
F-NO 1 WITH BACKING F-NO 2 WITH BACKING
F-NO 2 WITH BACKING F-NO 3 WITH BACKING
F-NO 4 WITH BACKING
F-NO 4 WITH OUT BACKING
F-NO 1 WITH BACKING F-NO 1 WITH BACKING
F-NO 2 WITH BACKING F-NO 5 WITH BACKING
F-NO 3 WITH BACKING F-NO 1 WITH BACKING
F-NO 1 WITH BACKING
F-NO 2 WITH BACKING
F-NO 3 WITH BACKING
F-NO 3 WITH OUT BACKING
F-No 2 WITH OUT BACKING
F-No 3 WITH BACKING
F-No5 WITH OUT BACKING
F-No3 WITH OUT BACKING
F-No 4 WITH BACKING
F-NO 5 WITH OUT BACKING
F-NO 5 WITH BACKING
F-NO 1 WITH OUT BACKING
F-No 2 WITH OUT BACKING
F-No 2 WITH BACKING
F-No4 WITH OUT BACKING
F-No5 WITH BACKING
34. TEST SPECIMENS [ QW-452.1(a)]
Thickness of
weld metal,
IN(mm)
TYPE AND NUMBER OF EXAMINATIONS AND TEST SPECIMENS
REQUIRED
Visual
Examination per
QW-302.4
Side Bend
QW-462.2
[note (1)]
Face Bend QW-
462.3(a) Or
QW-462.3(b)
[Note (1),(2)]
Root Bend qw-
462.3(a) or QW-
462.3(b) [note(1),(2)]
LESS THAN
3/8 (10)
X --- 1 1
3/8(10) TO LESS
THAN 3/4(19mm)
X 2 [NOTE (3)] NOTE (3) NOTE (3)
3/4(19MM)
AND OVER
X 2 --- ---
36. Thickness of Weld Metal Qualified
Thickness,t,of weld metal inch,
The coupon inch(mm) [Note1&
2]
Thickness of weld metal Qualified
[Note3]
• Up to13 mm
•½(13mm) and over with a
minimum of three layers
•2t
•Maximum to be welded
40. SMAW (QW-353)
PARAGRAPH BREAF OF
VARIABLES
QW-402 JOINTS DELETION OF BACKING
QW-403 BASE METAL
CHANGE OF
PIPEDIA(QW-403.16)
&CHANGE OF
P-NUM(QW-403.18)
QW-404 FILLERMETALS
CHANGE OF
FILLER (QW404.15) &
CHANGEOF
WELD t DEPOSIT (QW404.30)
QW-405 POSITIONS
ADDITION OF POSITION
(QW-405.1) &
VERTI& DOWN WELDING
(QW-405.3)