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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 A steel plate,A203 Grade A mechanical property
A203 Grade A steel plate under ASTM standard, it is a kind of nickel alloy steel which is widely used in welded pressure vessels.
A203 Grade A steel plate specification:
Standard: ASTM Grade: A203 Grade A
Thickness 8mm-150mm, Width: 1500-4020mm, Length: 3000-27000mm
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A203 Grade A steel chemical composition |
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Grade |
The Element Max (%) |
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A203 Grade A |
C |
Si |
Mn |
P |
S |
Ni |
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0.21 |
0.13-0.45 |
0.78-0.88 |
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 A |
Thickness |
Yield |
Tensile |
Elongation |
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mm |
Min Mpa |
Mpa |
Min % |
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6-50 |
255 |
450-585 |
19 |
|
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50-150 |
255 |
450-585 |
19 |
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A203 Grade A steel plate application:
A203 Grade A steel plate is widely used in pressure vessel, boiler, storage tanks and heat exchanger in oil, gas project.
Our A203 Grade A steel advantage:
1. Best Quality-Our steel from China First-Class mill with Die stamp include heat number and batch number,It can be tracked.
2. Fast Delivery-Good relationship with Mill and Forwarder Shipping Agent for producing and shipping.
3. Professional Team-Work steel business more than six years for export steel plate.
4. Reasonable Price-Cooperate with 15 mills, satisfy with different request for the price and quality.
5. Kinds of Payment-T/T, L/C at sight, Usance Letter of Credit.
If you want to know more information about A203 Grade A steel plate, please contact us and let us know your required specification, the best A203 Grade A steel plate price will be quoted in shortest time.