Table QW/QB-422
Ferrous and Nonferrous P-Numbers
Grouping of Base Metals for Qualification (Cont'd)
Spec. No.
Designation, Type,
or Grade
UNS No.
Minimum
Specified
Tensile,
ksi (MPa)
Welding
Brazing
Group
AWS
P‐No. No.
P‐No. B2.2 BM
ISO 15608
Group
Nominal Composition
Typical
Product Form
Nominal Thickness
Limits,
in. (mm)
Ferrous (Cont'd)
S275J2
…
59.5 (410)
1
1
101
100
1.1
C
Plate & shapes
≥0.125 (3) ≤4 (100)
EN or SA/EN
10025–2
S275J2
…
62.5 (430)
1
1
101
100
1.1
C
Plate & shapes
<0.125 (3)
EN or SA/EN
10025–2
S275JR
…
55 (380)
1
1
101
100
1.1
C
Plate & shapes
>6 (150) ≤16 (400)
EN or SA/EN
10025–2
S275JR
…
58 (400)
1
1
101
100
1.1
C
Plate & shapes
>4 (100) ≤6 (150)
EN or SA/EN
10025–2
S275JR
…
59.5 (410)
1
1
101
100
1.1
C
Plate & shapes
≥0.125 (3) ≤4 (100)
EN or SA/EN
10025–2
S275JR
…
62.5 (430)
1
1
101
100
1.1
C
Plate & shapes
<0.125 (3)
EN or SA/EN
10025–2
S355J2
…
65.5 (450)
1
2
101
100
1.2
C–Mn–Si
Plate & shapes
>4 (100) ≤16 (400)
EN or SA/EN
10025–2
S355J2
…
68 (470)
1
2
101
100
1.2
C–Mn–Si
Plate & shapes
≥0.125 (3) ≤4 (100)
EN or SA/EN
10025–2
S355J2
…
74 (510)
1
2
101
100
1.2
C–Mn–Si
Plate & shapes
<0.125 (3)
EN or SA/EN
10025–2
S355JR
…
65.5 (450)
1
2
101
100
1.2
C–Mn–Si
Plate & shapes
>4 (100) ≤16 (400)
EN or SA/EN
10025–2
S355JR
…
68 (470)
1
2
101
100
1.2
C–Mn–Si
Plate & shapes
≥0.125 (3) ≤4 (100)
EN or SA/EN
10025–2
S355JR
…
74 (510)
1
2
101
100
1.2
C–Mn–Si
Plate & shapes
<0.125 (3)
EN or SA/EN
10028–2
EN or SA/EN
10028–2
EN or SA/EN
10028–2
EN or SA/EN
10028–2
10CrMo9–10
…
65.5 (450)
5A
1
102
110
5.2
2.25Cr–1Mo
Plate
>6 (150) ≤10 (250)
10CrMo9–10
…
66.5 (460)
5A
1
102
110
5.2
2.25Cr–1Mo
10CrMo9–10
…
68 (470)
5A
1
102
110
5.2
2.25Cr–1Mo
Plate > 4 in. (100 mm) >4 (100) ≤6 (150)
≤ 6 in. (150 mm)
Plate
>2.4 (60) ≤4 (100)
10CrMo9–10
…
69.5 (480)
5A
1
102
110
5.2
2.25Cr–1Mo
Plate
≤2.4 (60)
ASME BPVC.IX-2021
144
EN or SA/EN
10025–2