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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
Grade HI steel, Grade HI steel Chemical Composition
Grade HI steel is one mainly of steel for gas cylinders and gas vessels.
Grade HI steel
Grade HI steel is in DIN 17155 standard. Grade HI steel' s grade Number is 1.0111. The equal material of Grade HI steel is: NFA 36-211 BS1, UNE 36129 AE 235 KR, BS 5045 Type A, UNI 7355 FeE24KR, JIS G3116 SG255.
Grade HI steel Chemical Composition(%):
Mn:≤ 0.3 C: ≤ 0.16 S: ≤ 0.015 P: ≤ 0.025 Si: ≤ 0.25 Al:≤0.02 Nb:≤ 0.05 Ti:≤ 0.03
Grade HI steel Mechanical Properties:
Tensile Strength(Ksi):360-450
Yield Strength(Ksi): ≥ 245
Elongation(%): ≥ 26 (thickness under 3mm); ≥ 34 (thickness above 3mm)
As a professional steel supplier, BEBON STEEL registers hundreds of thousands of tons of Grade HI steel ex-stock source on our spot trade platform. If you are interested in Grade HI steel, welcome to contact us, look forward to cooperate with you.