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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
Q235A H Beam structural steel for warehouse,building
Q235A H beam toughness and plasticity better, have a certain elongation, with good welding performance and hot workability. can be used to manufacture a variety of welded structural parts, bridges and some common machine parts such as bolts, rods, rivets, collars and connecting rods, etc., which are normally used in hot rolling. We are Q235A H beam producers in China, the following look at our Q235A H-beam mechanical properties and production processes.
Chemical content of GB/T700 Q235A H beam:
C≤0.22;Si≤0.35;Mn≤1.4;S≤0.05;P≤0.045;Cr≤0.30;Ni≤0.30;Cu≤0.30
Thickness:5-30mm;width:100-900mm;length:6-12m
Technique:hot rolled
Surface treatment:black
Mechanical properties: tensile strength σb (MPa): 370 ~ 500; yield strength σs (MPa): ≤ 16 when: ≥ 235;> 16 to 40 hours: ≥ 225;> 40 to 60 hours: ≥ 215; 100: 150 or more; 150: 150 or more; elongation: 5 (%): ≤ 40: ≥ 26;> 40 to 60: ≥ 25; : ≥ 24;> 100 to 150 hours: ≥ 22;> 150 to 200 hours: ≥ 21
Payment terms:T/T,L/C
Application:can be used to make welded structural parts, bridges and some common machine parts such as bolts, rods, rivets, collars and connecting rods.
About Q235A structural H beam on the basic chemical properties and mechanical properties, if you want to know more, please feel free to contact us, we will give you a detailed answer, we only provide qualified Q235A H beam products with the best quality and reasonable The price for our customers, look forward to working with you for your cooperation.