EN353
EN353
EN353 is a low-alloy steel commonly used for applications requiring high surface hardness, wear resistance, and core strength. Here's some information about EN353:
- Composition: EN353 steel typically contains carbon, manganese, chromium, nickel, and molybdenum as its primary alloying elements. Its composition contributes to its hardenability, strength, and toughness.
- Mechanical Properties: EN353 exhibits good hardenability, high core strength, and excellent toughness. It can be heat treated to achieve a hardened surface layer while maintaining ductility and toughness in the core. This combination of properties makes it suitable for applications requiring high strength and wear resistance.
- Applications: EN353 is commonly used in applications where high surface hardness, wear resistance, and core toughness are required. It is frequently used in the manufacture of gears, shafts, pinions, cams, and other components subjected to high stress and wear.
- Case Hardening: EN353 is well-suited for case hardening processes such as carburizing or nitriding. These processes involve heating the steel in the presence of a carbon-rich atmosphere (carburizing) or nitrogen-rich atmosphere (nitriding), followed by quenching and tempering to achieve a hardened surface layer with a tough core.
- Machinability and Weldability: EN353 has good machinability in the annealed or normalized condition. However, like other case hardening steels, it may become more difficult to machine after heat treatment due to its increased hardness. Weldability is generally good, but precautions should be taken to avoid cracking, and post-weld heat treatment may be required.
Overall, EN353 is a versatile low-alloy steel known for its high strength, toughness, and suitability for case hardening processes. It is widely used in various engineering applications where components require excellent wear resistance and surface hardness combined with core toughness.