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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
JIS G4109 SCMV4 is a chromium-molybdenum alloy steel plate used for boilers and pressure vessels, characterized by high strength, high-temperature resistance, and good weldability. Based on its properties and relevant information, it has a wide range of applications:
Boilers and Pressure Vessels: SCMV4 steel plates are primarily used in the manufacture of boilers, pressure vessels, and related equipment operating in high-temperature and high-pressure environments. They are widely applied in power plants, chemical, and petroleum industries due to their ability to withstand high temperatures and pressures while offering good corrosion resistance and toughness.
Oil and Gas Industry: Used in the production of pipelines, valves, and storage tanks that require resistance to high temperatures, high pressures, and corrosion, suitable for harsh working conditions.
Chemical Equipment: Due to its high strength and corrosion resistance, SCMV4 steel plates are suitable for manufacturing chemical reactors, heat exchangers, and other equipment that handle high-pressure and corrosive media.
Energy Industry: In thermal power plants and nuclear facilities, SCMV4 is used to produce critical components such as steam generators and heat exchangers, maintaining stable performance under high-temperature and high-pressure conditions.
Heavy Machinery: Certain high-strength mechanical components, such as structural parts subjected to high loads, may use SCMV4 steel plates due to their combination of strength and toughness.