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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 A 516 steel
ASTM A516 is the specification for a range of steels used in the fabrication of industrial pressure vessels and boilers.
ASTM A516 specification steel is used throughout the oil and gas, chemical and power generation industry and can be tested to exceed your specified requirements. HIC Testing is one such requirement as this material is used commonly in sour service/ wet h2s corrosive environments and so knowing how susceptible the material will be to hydrogen sulphide corrosion is imperative.
A516 Grade 55
A516 Grade 60
A516 Grade 65
A516 Grade 70
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A516 Grade 55 Chemical Composition |
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Grade |
The Element Max (%) |
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C |
Si |
Mn |
P |
S |
|
|
A516 grade 55 |
0.18-0.26 |
0.13-0.45 |
0.55-1.30 |
0.035 |
0.035 |
Carbon Equivalent: Ceq = [C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15]%
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A516 Grade 60Chemical Composition |
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Grade |
The Element Max (%) |
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|
C |
Si |
Mn |
P |
S |
|
|
A516 grade 60 |
0.21-0.27 |
0.13-0.45 |
0.79-1.30 |
0.035 |
0.035 |
Carbon Equivalent: Ceq = [C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15]%
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A516 Grade 65 Chemical Composition |
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Grade |
The Element Max (%) |
||||
|
C |
Si |
Mn |
P |
S |
|
|
A516 grade 65 |
0.24-0.29 |
0.13-0.45 |
0.79-1.30 |
0.035 |
0.035 |
Carbon Equivalent: Ceq = [C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15]%
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A516 Grade 70Chemical Composition |
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|
Grade |
The Element Max (%) |
||||
|
C |
Si |
Mn |
P |
S |
|
|
A516 grade 70 |
0.27-0.31 |
0.13-0.45 |
0.79-1.30 |
0.035 |
0.035 |
Carbon Equivalent: Ceq = [C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15]%
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