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Case hardening steel is a type of steel that has been treated to create a hard outer layer while maintaining a softer, ductile core. This process enhances the wear resistance and fatigue strength of the steel, making it suitable for various demanding applications. Case hardening is typically achieved through processes such as carburizing, nitriding, or carbonitriding, which infuse carbon or nitrogen into the surface of the steel.
| Material | Alloy steel with carbon content |
| Hardness | Typically 58-65 HRC on the surface |
| Core hardness | Usually 25-40 HRC |
| Diameter range | From 5 mm to 300 mm |
| Heat treatment | Carburizing or nitriding processes |
When selecting case hardening steel, buyers should consider the specific application requirements, including the desired hardness level and core properties. It is important to specify the heat treatment process preferred, such as carburizing or nitriding, as well as any necessary tolerances. Additionally, buyers should inquire about the availability of certifications and the quantity needed for their projects.
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It is used for components that require high wear resistance and toughness, such as gears and shafts.
Case hardening is achieved through processes like carburizing, nitriding, or carbonitriding.
Surface hardness typically ranges from 58 to 65 HRC.
Welding case hardening steel can be challenging due to its hardness; pre-heating and post-weld heat treatment may be necessary.
The core hardness usually ranges from 25 to 40 HRC.
Yes, there are various grades available, each designed for specific applications and performance requirements.