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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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a387 grade 22 class 1 steel plate,a387 grade 22 class 1 steel plate specification
a387 grade 22 class 1 steel plate under ASTM standard, it is a kind of chromium molybdenum alloy steel. a387 grade 22 class 1 steel plate is widely used for welded boiler and pressure vessels designed of elevated temperature service.
a387 grade 22 class 1 steel plate specification:
Grade: a387 grade 22 class 1 Standard: ASTM
Length: 6000mm-12500mm, Thickness: 5mm -150mm, Wide: 1500mm-4500mm
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a387 grade 22 class 1 steel chemical composition |
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Grade |
The Element Max (%) |
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C |
Si |
Mn |
P |
S |
Cr |
Mo |
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A387 Gr.22 Cl.1 |
0.04-0.15 |
0.50 |
0.30-0.60 |
0.035 |
0.035 |
1.88-2.62 |
0.85-1.15 |
Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
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Grade |
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Thickness |
Yield |
Tensile |
Elongation |
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A387 Gr.22 Cl.1 |
mm |
Min Mpa |
Mpa |
Min % |
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t≦50 |
205 |
415-585 |
18 |
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50<t≦200 |
- |
- |
- |
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a387 grade 22 class 1 steel plate application :
a387 grade 22 class 1 steel plate is widely used in petroleum, chemical industry, power station, boiler, etc, a387 grade 22 class 1 steel plate is also used for the reactor, heat exchanger , separator, spherical tank, liquefied gas, nuclear reactor pressure vessel, boiler steam drum steam, liquefied petroleum, hydropower station, high pressure pipe.
If you want to know more information about a387 grade 22 class 1 steel plate, please contact us and let us know your required specification, the best a387 grade 22 class 1 steel plate price will be quoted in shortest time.