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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
ASTM A537-I, Grade A537-I, A537-I steel
ASTM A537-I steel is a kind of material for boiler and pressure vessel steel. So, ASTM A537-I steel is used above all for manufacturing boilers, pressure vessels and pipes transporting hot liquids.
ASTM A537-I steel chemical composition:
|
Grade |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
Cu |
|
|
≤ 40 mm |
> 40 mm |
|||||||||
|
A537-I |
0.24 |
0.15/0.50 |
0.70/1.35 |
1.00/1.60 |
0.035 |
0.035 |
0.25 |
0.80 |
0.25 |
0.35 |
ASTM A537-I steel mechanical property:
|
Grade |
Yield (MPa) |
Tensile (MPa) |
Elongation |
Thickness |
|
|
A50mm |
A200mm |
||||
|
A537-I |
345 |
485/620 |
22% |
18% |
≤ 65 |
|
310 |
450/585 |
22% |
18% |
> 65 ≤ 100 |
|
ASTM A537-I equivalent material:
|
ASTM A537-I equivalent material |
||
|
China |
JIS |
Germany |
|
GB1591-88 |
G3115 |
DIN17155 |
|
16MnR |
SPV36 |
19Mn5 |
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