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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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SA202 grade A steel, SA202 grade A boiler steel
SA202 grade A steel plate under ASME standard which is a kind of boiler steel. As the boiler steel, SA202 grade A steel is mainly used in pressure vessel, boiler, storage tanks and heat exchanger in oil, gas project.
SA202 grade A steel specification:
Grade: SA202 grade A Standard: ASME
Thickness: 6mm to 300mm, Width: 1500mm to 4050mm, Length: 3000mm to 15000mm
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SA202 grade A chemical composition |
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Grade |
The Element Max (%) |
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|
C |
Si |
Mn |
P |
S |
|
|
SA202 grade A |
0.17 |
0.54-0.90 |
0.97-1.52 |
0.035 |
0.035 |
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Grade |
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Thickness |
Yield |
Tensile |
Elongation |
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|
SA202 grade A |
mm |
Min Mpa |
Mpa |
Min % |
|
6-50 |
310 |
515-655 |
19% |
|
|
50-100 |
310 |
515-655 |
16% |
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|
Europe |
Belgium |
Germany |
France |
Italy |
Sweden |
India |
Japan |
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|
E St E315 |
18 MD 4.05 |
16 Mo 6 |
22.16.04 |
|
450M |
SA202 grade A steel heat treatment: Hot Rolled, CR, Normalized, Quenched, Tempering, TMCP, Electroslag Remelting Technical, HIC test.
SA202 grade A steel additional condition :
UT (Ultrasonic examination), AR(As Hot Rolled only), TMCP(Thermal Mechanical Control Processing), N(Normalized), Q+T(Quenched and Tempered), Z Direction Test(Z15, Z25, Z35), Charpy V-Notch Impact Test, HIC test, NDT, PWHT( Simulated Post Weld Heat Treatment), NACE0175, The Third Party Test (Such as SGS Test), Coated or Shot Blasting and Painting.
If you want to know more information about SA202 grade A steel plate, please contact us and let us know your required specification, the best SA202 grade A steel plate price will be quoted in shortest time.