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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
ASTM A387-2-2 High strength pressure vessel steel plate Equivalent
ASTM A387-2-2 High strength pressure vessel steel plate is widely used in Building Construction,Bridge,Architecture,Vehicles Components,shipping,High pressure container,Boiler,Large Structure steel etc.
The introduction of chrome molybdenum increases the materials temperature tensile strength making ASTM A387-2-2 an excellent choice for elevated temperature environments. The material also displays excellent corrosion resistant characteristics.
A387-2-2 High strength pressure vessel steel plate is therefore ideal for the fabrication of weldable steel pressure vessels and industrial boilers found commonly in the petrochemical and oil industry.
ASTM A387-2-2pressure vessel steel plate Specification:
Thickness:6-300mm
Width:1500-4050mm
Length:3000-15000mm
Chemical composition(%):
C:0.04-0.21 Si_0.13-0.45 Mn:0.50-0.88 P≤0.035 S≤0.035 Cr:0.46-0.85 Mo:0.40-0.65
Mechanical proper
Thickness:t≤50mm
Yield(Min Mpa):310 Tensile(Mpa):485-620 Elongation(Min %):22
Thickness:50<t≤200mm
Yield(Min Mpa):310 Tensile(Mpa):485-620 Elongation(Min %):18
Equivalent material:
China: GB4238-84, 12CrMo
JIS: G4109, SCMV1
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