The standard number for the A939/A939M-15 steel grade is A939/A939M-15. This standard specifies the requirements for carbon and low-alloy steel castings for general applications in various industries.
The chemical composition of A939/A939M-15 steel grade typically includes carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, vanadium, and copper. The specific composition may vary depending on the requirements of the application.
The mechanical properties of A939/A939M-15 steel grade are determined through testing and evaluation. These properties include tensile strength, yield strength, elongation, reduction of area, hardness, and impact toughness. The specific values of these properties are specified in the A939/A939M-15 standard.
The A939/A939M-15 steel grade finds applications in various industries such as construction, automotive, manufacturing, and oil and gas. The high strength and durability of this steel grade make it suitable for structural components, machinery parts, and pressure vessels.
Overall, the A939/A939M-15 steel grade exhibits excellent properties and can be used in a wide range of applications requiring strength and reliability.