A204 Grade B Steel

A204 grade B grade steel is a type of ASTM A204 steel. Cited properties are appropriate for the as-fabricated (no temper or treatment) condition. The graph bars on the material properties cards below compare ASTM A204 grade B to: wrought alloy steels in the same category (top), all iron alloys (middle), and the entire database (bottom).

ASTM A204 Grade B Steel Plates Sizes and Dimension

Thickness: 3-150mm

Width: 1220-4200mm

Length: 5000-18000mm

Notes: coil thickness ≤ 25mm​

ASTM A204 Grade B Molybdenum Steel Mechanical Properties

Tensile strength Rm0 - 620 MPa at 20 °C Yield strength YS275 MPa at 20 °C chemical compositions [%] C:0.27   Si:0.13-0.45  Mn: 0.95   P: 0.035   S: 0.035   Mo:0.41—0.64 ASTM A204 specification covers molybdenum alloy steel plates, intended particularly for welded boilers and other pressure vessels. Plates under this specification are available in three grades having different strength levels: A204 Grade A; Grade B; and A204 Grade C. The steel shall be killed. The steel shall conform to the chemical requirements specified. Tension tests on plates shall conform to the requirements specified.

If you are looking for A204 Grade B boiler steel or ASTM A204 pressure vessel steel, welcome to contact us or send email to asteelgrade@gmail.com.


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