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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
Characteristics of JIS G 3115 SPV 235 Steel
High Strength: The SPV235 steel plate exhibits high yield strength and tensile strength. Its yield strength is not less than 235 MPa, and its tensile strength ranges from 370 to 500 MPa, meeting the strength requirements of various load-bearing structures.
Good Toughness: In addition to its high strength, the steel plate also possesses excellent toughness and plasticity. It can maintain stable mechanical properties under various complex working conditions, reducing the risk of fracture caused by stress concentration. For instance, its good toughness ensures that it will not easily undergo brittle fracture when subjected to certain external forces.
Excellent Corrosion Resistance: Due to the addition of alloy elements, the SPV235 steel plate demonstrates good corrosion resistance, enabling it to adapt to various harsh environments and extend the service life of equipment. This gives it an advantage in environments with high corrosion resistance requirements.
Good Processing and Welding Performance: Despite its high strength, the SPV235 steel plate still exhibits good performance during processing and welding, provided that appropriate tools and processes are selected. For example, choosing the right welding method and welding materials during the welding process can ensure the quality and performance of the welded joints.
Lamellar Tearing Resistance: The SPV235 steel plate meets the usage requirements of medium-temperature pressure vessels and possesses excellent lamellar tearing resistance.