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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
G3103 SB42 steel plate is a carbon steel and molybdenum alloy steel plate specified in the Japanese Industrial Standards (JIS) for use in boilers and pressure vessels. Its applications are primarily reflected in the following aspects:
Boiler Manufacturing: G3103 SB42 steel plate is suitable for manufacturing rolled steel materials for boilers, particularly in boiler components that need to withstand certain temperatures and pressures, such as boiler drums, superheaters, and reheaters. These components require materials with good heat resistance and mechanical properties to ensure the safe operation of the boiler.
Pressure Vessel Manufacturing: This steel plate is also widely used in the manufacture of various pressure vessels, such as gas storage tanks, heat exchangers, and separators. These vessels need to withstand the pressure of the internal medium, thus requiring materials with high strength and good toughness. G3103 SB42 steel plate precisely meets these requirements, ensuring the structural integrity and safety of pressure vessels.
Application in Medium-Temperature Environments: G3103 SB42 steel plate is suitable for manufacturing pressure vessels under medium-temperature conditions. In the petrochemical, energy, and other fields, many processes need to be carried out under medium-temperature conditions, which require the use of materials that can withstand these temperature conditions. G3103 SB42 steel plate, with its excellent heat resistance, becomes an ideal choice in these fields.