Refining Production Bs 708m40 Steel Carburizing Treatment Improves Performance - China

BS 708M40 steel is a medium carbon alloy structural steel, similar to AISI 4140 or 42CrMo4 steel.

It has good comprehensive properties, including high strength, toughness and hardenability.

Through carburizing treatment, its surface hardness and wear resistance can be significantly improved while maintaining the toughness of the core, making it more suitable for manufacturing parts that require high surface hardness and good core toughness.

Improved performance after carburizing treatment

After carburizing treatment, the performance of BS 708M40 steel will be significantly improved, as shown below:

**Surface hardness**

- **Surface hardness after carburizing**: can reach 60 - 65 HRC or even higher.

- **Core hardness**: usually maintained in the tempered hardness range (25 - 36 HRC).

**Wear resistance**

- **Significantly improved**: The surface hardness after carburizing is greatly improved, which can effectively resist wear and fatigue damage and extend the service life of parts.

- **Suitable for high contact stress parts**: such as gears, bearings, etc., which need to withstand high contact stress and wear during operation.

**Hardenability**

- **Good hardenability**: BS 708M40 steel itself has good hardenability.

The quenching treatment after carburizing can further improve the surface hardness while ensuring the uniformity of the core performance.

Company Contact:

• Posted By: Dongguan Songshun Mould Steel Co., Ltd.

• Phone: 0086 0769 85475596

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