BBN Steel supply high quality carbon steel plate for boiler and pressure vessel fabrication which is ideally suited to the high standards set by the oil, gas and petrochemical industry – this is why we stock an extensive range of carbon plates according to ASTM A516 Grade 70.

ASTM A516 Grade 70 is an excellent choice for service in lower than ambient temperature applications, has excellent notch toughness and is used in both pressure vessels and industrial boilers.

ASTM A516 Grade 70 Steel Plate Specification:




ASTM A516 Grade 70 Steel Plate Chemical Composition

Carbon(C) % Manganese(Mn) % Phosphorus(P) %
12.55mm or less
12.5mm or less
Heat Analysis
Product Analysis
Over 12.5mm
Heat Analysis
Product Analysis
0.79-1.30 0.85-1.20
Sulphur(S) % Silicon(Si) %  
(max) 0.035 Heat Analysis
Product Analysis

ASTM A516Gr70 Steel Plate Mechanical Properties

Description Grade70
Tensile Strength(Ksi)
Tensile Strength(MPa)
Yield Strength(Ksi)
Elongation in 200mm(min.%)
Elongation in 50mm(min.%)

A516Gr70 usual request normalized if thickness above 40mm, if not , BBN Steel usual delivery in hot rolled or control rolled station. A516 Gr.70+N or A516gr70N mean that steel grade must be normalized in any thickness.

A516GR70 steel materials are widely used in the application fields including oil, gas and petrochemical industries to provide manufacturing support for industrial boilers and pressure vessel manufacturers.

BBN Steel as the most popular ASTM A516Gr70 Steel Plate suppliers, we only provide qualified ASTM A516Gr70 Steel Plate products with the best quality and reasonable price for our customers.

We Export ASTMA516Grade70 to Following Countries:
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Salsa Mania is specialized in steel plate export. As a professional and reliable steel plate supplier, we have built cooperation with over 30 countries and regions, including USA, Europe, Saudi Arabia, Egypt, Bangladesh, Sri Lanka, Korea, Vietnam, Myanmar and so on.

For any steel plates we do not have in stock, we have developed relationships with a large number of manufacturers, mill depots, and master distributors, which enables us to locate and supply even the most unusual sizes and grades as per customer requirements - so called "one station" services...

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