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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 A302/A302M A302GrD steel, ASTM A302/A302M A302GrD steel chemical composition
ASTM A302/A302M A302GrD steel covers manganese-molybdenum and manganese-molybdenum-nickel alloy steel intended particularly for welded boilers and other pressure vessels. According to ASTM A302/A302M A302GrD steel strength levels, the steel is available in four grades: Grades A, B, C, and D.
ASTM A302/A302M A302GrD steel
ASTM A302/A302M A302GrD steel chemical composition:
C max 0.25, Mn max 1.15-1.50, Si 0.15-0.30, P max 0.035, S max 0.040, Ni 0.40-0.70, Mo 0.45-0.60.
ASTM A302/A302M A302GrD steel is widely used in the fabrication of boilers and pressure vessels in industries such as shipbuilding, petrochemical and manufacturing.
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Tags: A302GrC steel, A302GrB steel, A302GrA steel