 Boiler and Pressure Vessel Comparisons and Equivalents
| Equivalent Specifications & Standards |
Chemical Composition Maximum (unless stated) |
| Plates |
|
| BS |
EN |
ASTM/ASME |
D|N |
C |
Si |
Mn |
P |
Si |
Al |
Cr |
Cu |
Ni |
Mo |
Nb |
Ti |
V |
| 161-360A |
P235GH |
A285-C |
H 1 |
0.16 |
0.35 |
0.4 / 1.2 |
0.03 |
0.03 |
0.02 |
0.3 |
0.3 |
0.3 |
0.08 |
0.01 |
0.03 |
0.02 |
| 161-430A |
P265GH |
A516 - 60 |
H 11 |
0.2 |
0.4 |
0.5 /1.40 |
0.03 |
0.03 |
0.02 |
0.3 |
0.3 |
0.3 |
0.08 |
0.01 |
0.03 |
0.02 |
| 223-490A/B |
– |
– |
– |
0.2 |
0.4 |
0.5 /1.40 |
0.03 |
0.03 |
0.02 |
0.3 |
0.3 |
0.3 |
0.08 |
0.01 |
0.03 |
0.02 |
| 224-460A/B |
P295GH |
A516 - 65 |
17 MN 4 |
0.08/0.20 |
0.4 |
0.9/1.5 |
0.03 |
0.03 |
0.02 |
0.3 |
0.3 |
0.3 |
0.08 |
0.01 |
0.03 |
0.02 |
| 224-490A/B |
P355GH |
A516 - 70 |
– |
0.10/0.22 |
0.6 |
1/1.7 |
0.03 |
0.03 |
0.02 |
0.3 |
0.3 |
0.3 |
0.08 |
0.01 |
0.03 |
0.02 |
| 225-490A/B |
P355N/NH |
– |
19 MN 6 |
0.2 |
0.5 |
0.9/1.7 |
0.03 |
0.03 |
0.02 |
0.3 |
0.3 |
0.5 |
0.08 |
0.05 |
0.03 |
0.1 |
| 243 |
16 MO3 |
A204-A |
15 MO 3 |
0.12/0.20 |
0.35 |
0.4/0.90 |
0.03 |
0.03 |
– |
0.3 |
0.3 |
0.3 |
0.25/0.35 |
– |
– |
– |
| 620 B |
13 CRMO 45 |
A387-12-2 |
13 CRMO 44 |
.08/0.18 |
0.35 |
0.4/100 |
0.03 |
0.03 |
– |
0.7/1.15 |
0.03 |
– |
0.4/0.60 |
– |
– |
– |
| 621 B |
– |
A387-11-2 |
– |
0.09/0.17 |
0.5 |
0.40/0.65 |
0.03 |
0.02 |
0.02 |
1/1.50 |
0.3 |
0.3 |
0.45/0.60 |
– |
– |
– |
| 622-515B |
10 CRMO910 |
A387-22-2 |
10 CRMO910 |
0.08/0.14 |
0.5 |
0.4/0.80 |
0.03 |
0.03 |
– |
2/2.50 |
0.3 |
– |
0.3/1.10 |
– |
– |
– |
| – |
– |
A387-5-2 |
– |
0.15 |
0.5 |
0.3/0.60 |
0.04 |
0.03 |
– |
4/6.00 |
0.3 |
– |
0.45/0.65 |
– |
– |
– |
| – |
– |
A387-9-2 |
– |
0.15 |
1 |
0.3/0.60 |
0.03 |
0.03 |
– |
8/10.0 |
– |
– |
0.9/1.10 |
– |
– |
– |
| Mechanical Values |
|
| Tensile |
Yield/min |
Forging/Flanges |
Pipe |
| N/mm² |
N/mm² |
Grade A182 |
Grade A335 |
| 360/480 |
235 |
|
|
| 410/530 |
265 |
|
|
| 410/530 |
265 |
|
|
| 460/580 |
295 |
|
|
| 510/650 |
355 |
|
|
| 430/630 |
355 |
|
|
| 440/590 |
275 |
F1 |
P1 |
| 450/600 |
300 |
F12-2 |
P12 |
| 515/690 |
340 |
F11-2 |
P11 |
| 520/630 |
310 |
F22 |
P22 |
| 515/690 |
310 |
F5 |
P5 |
| 515/690 |
310 |
F9 |
P9 |
|