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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
A299 steel Mechanical Property
A299 steel is a steel of 16. Steel for Boilers and Pressure Vessels.A299 steel with good performance because of A299 steel chemical composition and mechanical properties.Here, a brief overview of A299 steel chemical composition and mechanical properties.
ASTM A 299gr steel Chemical requirement in Product: analysis:C%:0.28-0.30,Mn%:0.84-1.62,,P%:0.035,S%:0.035,SI%:0.13-0.45.
ASTM A 299 steel Mechanical Property:
Tensile strength, kis [MPa]: Thickness<mm>:t≦50:345-485,50<t≦200: 345-485.
Yield strength, min, kis [MPa]:Thickness<mm>:t≦50:310-325,50<t≦200: 310-325.
Elongation in under [50mm], min, %:Thickness<mm>:t≦50:19,50<t≦200: 19.
Equivalent steel grade of A299:Germany T St E255,Italy Fe 360 2 KG.
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