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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
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ASTM A204 Grade B boiler steel plate chemical composition
ASTM A204 Grade B is a molybdenum alloy steel. ASTM A204 Grade B steel plate is used in fabricators serving industry, especially in the oil, gas and chemical supply markets.
Chemical composition of ASTM A204 Grade B boiler steel plate:
|
Grade
|
The Element Max (%) |
||||
|
C |
Si |
Mn |
P |
S |
|
|
A204 Grade B |
0.20-0.27 |
0.13-0.45 |
0.90-0.98 |
0.035 |
0.035 |
Mechanical property of A204 Grade B steel plate:
|
Grade
|
Thick.(mm) |
Min Yield |
Tensile |
Elongation |
|
SA204Gr.B |
6-50 |
275 Mpa |
485-620 Mpa |
21 % |
|
50-200 |
275 Mpa |
485-620 Mpa |
17 % |
BEBON steel always provide preferential prices and comprehensive services of A204 Grade B steel plate. If you place an order of ASTM A204 Grade B boiler steel plate, we will give you a satisfactory answer.