SA299 Gr.B Steel Plate

Executive Standard: SA299 Gr. B steel plates comply with the ASME standard, specifically ASTM A299/A299M.

2026-08-26
ASTM SA299 Gr.A and SA299 Gr.B steel plates

SA299 is a carbon-manganese-silicon steel plate designed for pressure vessels—often referred to as "gas drum steel" under US standards.

2026-08-19
SA299 Gr. A Steel Plate for Boilers and Pressu

ntroduction to SA299 Gr.A Steel Plate:
SA299 Gr.A is a steel plate grade designated for boilers and pressure vessels under American standards.

2026-08-11
What is the difference between A285 Gr. C and

A285 Gr.C and SA285 Gr.C steel plates represent the same grade, though they are governed by different standards.

2026-08-04
What material is SA283 Gr.B?

SA283 Gr.B is a low-to-medium strength carbon structural steel plate conforming to the American Society of Mechanical Engineers (ASME) standard.

2026-07-31

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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.