Spot Supply 41cr4 Steel Surface Nitriding Treatment - China

41Cr4 steel is a typical alloy structural steel, which belongs to nitridable steel.

The alloy elements it contains (such as chromium Cr) are conducive to nitriding treatment.

Surface nitriding treatment of 41Cr4 steel can significantly improve its surface hardness and wear resistance, while maintaining good toughness and strength of the core, which is suitable for manufacturing mechanical parts with high surface hardness and wear resistance.

Characteristics of surface nitriding treatment of 41Cr4 steel

Nitriding hardness: 41Cr4 steel is nitrided after quenching and tempering, and the surface hardness can reach 72~78HRA, and the core hardness is maintained between 43~55HRC.

This hardness combination makes the surface of the part extremely wear-resistant and the core toughness is good.

Nitriding process route: The typical process flow is forging-annealing-rough machining-quenching and tempering (tempering)-finishing-str ess relief-rough grinding-nitriding-fine grinding or grinding.

Because the nitrided layer is thin and brittle, it must first be tempered heat treated to obtain tempered troostite structure to improve the mechanical properties of the core and the quality of the nitrided layer.

Nitriding process temperature: Nitriding is usually carried out in the range of 500~580℃, and the time ranges from several hours to dozens of hours (adjusted according to the specific process requirements).

Nitrogen diffuses into the steel surface to form hard nitrides, mainly including iron nitrides and alloy element nitrides (such as CrN), which significantly improve the surface hardness and fatigue resistance.

Company Contact:

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

• Phone: 076985475596

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• Business Description: Established in 2009,Songshun Steel supplies a wide range of carbon, alloy and tool steel products, including high speed tool steel, cold work tool steel, hot work tool steel, plastic mould steel, engineering steel and machine structural steel etc.
  
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