The A537/A537M-13 steel grade is a low alloy pressure vessel steel plate that meets the requirements of the ASTM A537/A537M standard. This standard covers heat-treated carbon-manganese-silicon steel plates intended for fusion welded pressure vessels and structures.
The chemical composition of the A537/A537M-13 steel grade typically includes carbon (0.24%), manganese (0.70-1.35%), phosphorus (0.035%), sulfur (0.035%), silicon (0.15-0.50%), copper (0.35%), nickel (0.25%), chromium (0.25%), molybdenum (0.08%), and vanadium (0.02%). These elements contribute to the strength, toughness, and corrosion resistance of the steel.
The mechanical properties of the A537/A537M-13 steel grade include a tensile strength of 485-620 MPa (70-90 ksi) and a yield strength of 345 MPa (50 ksi). The steel also exhibits good impact resistance at low temperatures, making it suitable for cryogenic applications.
The A537/A537M-13 steel grade is commonly used in the construction of pressure vessels, storage tanks, and industrial boilers. It offers excellent weldability and is often used in the fabrication of welded pressure vessels for various industries such as oil and gas, chemical, and petrochemical.
The A537/A537M-13 steel grade is specified by the ASTM A537/A537M standard, which provides the requirements for the chemical composition, mechanical properties, and other relevant properties of the steel. Manufacturers and users of the steel can refer to this standard to ensure the quality and suitability of the material for their specific applications.
Overall, the A537/A537M-13 steel grade is a versatile and reliable material that offers high strength, good toughness, and excellent weldability. Its characteristics make it suitable for a range of demanding applications in the pressure vessel and boiler industry.