The A434/A434M-17 steel grade is a low-alloy steel that is commonly used in structural applications. Its chemical composition consists of elements like carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, vanadium, and boron.
The mechanical properties of this steel grade include a tensile strength of 760 MPa (110 ksi), a yield strength of 690 MPa (100 ksi), and an elongation of 14%. It also has a hardness range of 200-250 HB.
The A434/A434M-17 steel grade is characterized by its high strength, toughness, and excellent weldability. It is commonly used in the construction of machine parts, such as gears, shafts, and axles, as well as in the manufacturing of heavy equipment and structures.
This steel grade is specified by the standard number A434/A434M-17, which provides guidelines for its chemical composition, mechanical properties, and other requirements. This standard ensures the consistency and quality of the steel grade for various applications.
In conclusion, the A434/A434M-17 steel grade is a low-alloy steel with a specific chemical composition and mechanical properties. It is widely used in structural and machine applications due to its high strength, toughness, and weldability. The standard number A434/A434M-17 provides the guidelines for this steel grade, ensuring its consistency and quality.