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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
A572 Grade 50 steel plate,A572 Grade 50 steel chemical composition

A572 Grade 50 steel plate under ASTM standard, it has a higher yield and tensile strength than A36 plate, combined with a lower weight. A572-50 plate is ductile and easy to form. It can be successfully machined with the appropriate techniques and is easy to weld. It is a high strength low alloy (HSLA) columbium-vanadium steel and is available in grades 42, 55, 60 and 65.
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A572 Grade 50 chemical composition |
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Grade |
The Element Max (%) |
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C |
Si |
Mn |
P |
S |
V |
Ni |
Co |
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A572 Grade 50 |
0.23 |
0.4 |
1.35 |
0.04 |
0.05 |
0.06 |
0.015 |
0.05 |
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Grade |
Thickness(mm) |
Min Yield (Mpa) |
Tensile(MPa) |
Elongation(%) |
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A572 Grade 50 |
8mm-50mm |
345Mpa |
450Mpa |
21% |
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50mm-200mm |
345Mpa |
450Mpa |
18% |
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The min impact energy is longitudinal energy |
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