AISI 4340 Plate

4340 plate is a high-strength, alloy steel product renowned for its exceptional toughness, fatigue resistance, and high tensile strength. Alloyed with nickel, chromium, and molybdenum, it offers excellent hardenability and is well-suited for applications requiring high performance under stress and impact. It is commonly used in the aerospace, automotive, and heavy equipment industries for components such as dies, molds, gears, structural parts, and tooling. The plate can be heat treated to achieve a wide range of mechanical properties, making it a versatile choice for demanding engineering applications.

As a leading SAE 4340 plate supplier in China, we can offer EN 10204 – 3.1 Certificate.