-
ASTM A202 Grade B is a chromium-manganese-silicon low-alloy steel tailored for high-pressure, medium-temperature pressure vessel applications.2026-04-30
-
ASTM A202 Grade A is a critical chromium-manganese-silicon low-alloy steel plate specifically designed for welded pressure vessels and boilers operating at medium temperatures.2026-04-30
-
ASTM A202 Pressure Vessel Steel Material and Grades:
Alloy System: **Chromium-Manganese-Silicon (Cr-Mn-Si)** Low-Alloy Heat-Resistant Steel2026-04-17 -
ASTM A204/A204M Grade B molybdenum alloy steel plates for pressure vessels feature superior chemical composition and mechanical properties compared to Grade A2026-04-10
-
As a molybdenum-alloy steel plate for pressure vessels under the ASTM A204/A204M standard, A204 Gr.A is a low-alloy, high-strength material specifically designed for service conditions involving moderate temperatures (≤400°C) and moderate-to-high pressure2026-03-31
SA455 Boiler steel plate, SA455 steel plate, SA455 Pressure vessel steel plate
SA455 boiler steel plate is a kind of high strength carbon-manganese steel plate, and SA455 boiler steel plate is mainly used for welded boiler and pressure vessel buildings.
Steel Name: SA455 Boiler steel plate, SA455 steel plate, SA455 Pressure vessel steel plate
|
Element |
Max % |
Element |
max % |
|
C |
0.18 |
Cu |
0.30 |
|
Si |
0.40 |
Mo |
0.08 |
|
Mn |
0.50-1.40 |
N |
0.02 |
|
P |
0.03 |
Nb |
0.05 |
|
S |
0.03 |
Ni |
0.50 |
|
AL |
0.020 |
Ti |
0.03 |
|
Cr |
0.30 |
V |
0.05 |
|
Nb+Ti+V |
0.05 |
|
|
|
Grade |
Material |
Thickness |
Yield Strength |
Tensile Strength |
Elongation |
|
(mm) |
MPa (min) |
MPa |
% (min) |
||
|
1.0487 |
≤ 16 |
275 |
|
|
|
|
16 > to ≤35 |
275 |
|
|
||
|
35 > to ≤50 |
265 |
|
|
||
|
50 > to ≤70 |
255 |
370-490 |
23 |
||
|
70 > to ≤100 |
235 |
350-470 |
1) |
||
|
100 > to ≤150 |
225 |
1) |
1) |
||
|
>150 |
390-510 |
24 |
|
SA455 steel impact test:
|
Type |
Usual Dekivery Condition |
Norminal Thickness (mm) |
Impact Energy KV min[J] at temperature [°C] |
|||||||||
|
Longitudinal |
Longitudinal |
|||||||||||
|
-50 |
-40 |
-20 |
0 |
+20 |
-50 |
-40 |
-20 |
0 |
+20 |
|||
|
SA455 |
N |
5-150 |
- |
- |
40 |
47 |
55 |
- |
- |
20 |
27 |
31 |

