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ASTM A202 Grade B is a chromium-manganese-silicon low-alloy steel tailored for high-pressure, medium-temperature pressure vessel applications.2026-04-30
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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
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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
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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
SM400B low alloy steel plate mechanical properties
SM400B is a kind of carbon and low alloy steel that under the JIS G3106-2004 standard. SM400B low alloy steel plate is often used in the engineering and construction industry.
Size range of SM400B low alloy steel plate:
Thickness: 6mm-260mm
Width: 1000mm-4000mm
Length: 3000mm-18500mm
Chemical composition of SM400B low alloy steel plate:
|
Grade
|
The Element Max (%) |
|||||
|
C |
Si |
Mn |
P |
S |
Cu (min) |
|
|
SM400B |
0.20-0.22 |
0.35 |
0.6-1.50 |
0.035 |
0.035 |
- |
SM400B low alloy steel plate mechanical properties:
|
Grade
|
Thickness |
Yield |
Tensile |
Elongation |
|
SM400B |
mm |
Min Mpa |
Mpa |
Min % |
|
t≦16 |
245 |
400-510 |
18 |
|
|
16<t≦90 |
215-235 |
400-510 |
24 |
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