SA302 Grade B Boiler Pressure Vessel Steel Plate Supplier

ASME SA302 Grade B and ASTM A302GrB, which is Manganese-molybdenum alloy boiler steel plate, comparing with boiler steel plate A302 Grade A, A302 Grade B boiler steel plate contains more chemical element manganese and also owned higher values in yield strength (minimum 345MPa)and tensile strength (550-690 MPa). For special sizes customers need, we also offer cutting and welding services in processing plants.

What is the equivalent steel grade of SA302 Grade B?