ASTM A204 Grade B plate is a Molybdenum alloy steel used for pressure vessels.ASTM A204 Grade B is used in fabricators serving industry, especially in the oil, gas and chemical supply markets.

ASTM A204 Grade B Steel Plate Specification:

Thickness: 6MM to 150MM,Width: 1500mm to 4050mm,Length: 3000mm to 15000mm

BBN Steel is specialized in supplying ASTM A204 steel plate in A204 Grade B. For more information of A204 Grade B steel plates, please check them in following:

A204 Grade B Steel Chemical Composition


The Element Max (%)






A204 Grade B






Carbon Equivalent: Ceq = 【>C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】>%

Mechanical Property of A204 Grade B steel plate

A204 Grade B

Tensile strength, kis [MPa]

70-90 [485-620]

Yield strength, min, kis [MPa]

40 [275

Elongation in 8 in. [200 mm], min, %


Elongation in 2 in. [50 mm], min, %


A204 Grade B Plate mainly used in Sugar, Paper, Textile, Dairy, Engineering to more complex such as Oil & Gas, Petrochemical, Chemical & Fertilizers, Power Generation and Nuclear Industries.

If you are in need of ASTM A204 Grade B steel plate, please feel free to contact us. Sincerely hope regular and new customers to visit our mill for a long-term business collaboration.

We Export A204GradeB 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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