What standard has 38ncd4 grade?

The 38NCD4 grade refers to a specific type of alloy steel that is often used in applications requiring high strength and toughness, particularly in the automotive and aerospace industries. This grade typically contains nickel, chromium, and molybdenum, enhancing its mechanical properties. It is commonly specified in standards such as ASTM A322 or similar international standards for alloy steels. Its characteristics make it suitable for heat treatment and various engineering applications.