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Astm A302 Grade B Steel - China

price: contact company for price

Astm A302 Grade B Steel

Products Photos Catalog Astm A302 Grade Steel Photos Catalog

ASTM A302 Grade B is a another manganese-molybdenum alloy steel plates intended particularly for welded boilers and other pressure vessels.

The maximum thickness of ASTM A302 Grade B plates is limited only by the capacity of the chemical composition to meet the specified mechanical property requirements.

And the carbon content is different according to the thickness of plates, C≤0.20% for THK≤25mm, C≤0.23% for THK 25~50mm, C≤0.25% for THK >50mm.

The steel ASTM A302 Grade B shall be killed and shall conform to the fine grain size requirement of Specification A20/A20M.

For plates A302 Gr.

B produced from coil and furnished without heat treatment or with stress relieving only, three test results are reported for each qualifying coil.


Company Contact:


  • Phone: 13523017468

  • Address: Guohuai , Zhengzhou , Henan , China

  • Email: Email

Published date: January 18, 2020

  • Business Description: The main steel materials of BBN steel are as below:

    Carbon and low-alloy high-strength steel, Boiler and pressure vessel steel, Gas cylinder steel, Shipbuilding and offshore platform steel, Pipeline steel, Weather resistant steel / corten steel, Alloy steel, Automobile structure steel, Abrasion resistant steel, etc.

    Cutting, welding, bending, drilling etc.

    processing is also available.

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