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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
Due to its high strength, excellent weldability, and low-temperature toughness, P355N steel plate is widely used in the following fields:
Pressure Vessel Manufacturing:
Used for manufacturing boilers, gas storage tanks, liquefied gas tanks, reactors, and other pressure vessels, particularly in the petroleum, natural gas, and chemical industries.
Suitable for medium to low temperatures and moderate pressure environments.
Energy Industry:
Used for producing pressure vessel components in thermal and nuclear power plants, such as steam generators and heat exchangers.
Applicable to liquefied natural gas (LNG) storage and transportation equipment.
Mechanical Manufacturing:
Used for manufacturing heavy machinery components requiring high strength and toughness, such as pressure parts in construction machinery.
Pipelines and Storage Tanks:
Used for manufacturing high-pressure pipelines, storage tanks, and related fittings, especially in scenarios requiring low-temperature performance.
Other Industrial Applications:
Suitable for structural components that need to withstand specific pressure and temperature conditions, such as pressure vessels in chemical equipment, pharmaceutical equipment, and food processing equipment.