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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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a203 grade b steel plate,a203 grade b chemical composition
a203 grade b steel plate under ASTM standard, it is a nickel alloy steel plate and it is widely used in welded pressure vessels.
a203 grade b steel plate specification:
Standard: ASTM Grade: a203 grade b
Thickness 8mm-150mm, Width: 1500-4020mm, Length: 3000-27000mm
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a203 grade b chemical composition |
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Grade |
The Element Max (%) |
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a203 grade b |
C |
Si |
Mn |
P |
S |
Ni |
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0.25 |
0.13-0.45 |
0.88 |
0.035 |
0.035 |
2.03-2.57 |
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Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
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Grade |
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a203 grade b |
Thickness |
Yield |
Tensile |
Elongation |
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mm |
Min Mpa |
Mpa |
Min % |
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6-50 |
275 |
485-620 |
17 |
|
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50-150 |
275 |
485-620 |
17 |
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a203 grade b steel plate surface treatment: Shot blasting and painting or coated.
a203 grade b steel plate application:
a203 grade b steel plate is widely used to build boilers and pressure vessels such as petroleum, chemical industry, power plants.
As a professional a203 grade b steel plate supplier, we promise we can offer you the qualified a203 grade b steel. Besides that, we could promise the delivery time and the competitive price. Any need in a203 grade b steel plate price or a203 grade b steel plate technical conditions, please contact us freely.