A50202 Material The Preferred Alloy Structural Steel For Shaft Parts - China

A50202 material is the unified numerical designation for 20CrNiMo alloy structural steel in China.

Due to its excellent comprehensive mechanical properties and heat treatment adaptability, it is one of the preferred materials for manufacturing high-load, high-wear-resistant shaft parts.

Advantages of A50202 Material in Shaft Applications - High Wear Resistance: After carburizing and quenching, the surface hardness of A50202 material can reach HRC 58~62, suitable for friction parts such as journals and splines; - Minimal Quenching Deformation: Good hardenability and minimal deformation after heat treatment, suitable for precision shaft manufacturing; Typical Application Examples | Automotive Half Shaft | Bears high torque and impact, requiring high fatigue life | | Gear Shaft | Used in transmission systems, requiring wear-resistant surface and strong core | | Internal Combustion Engine Crankshaft | High-speed rotation and alternating loads, requiring high hardenability and fatigue strength | | Wind Turbine Main Shaft | Large size, high reliability, requiring tempering + surface induction hardening treatment | A50202 material is the preferred alloy structural steel for high-load, high-wear-resistant, and high-reliability shaft parts, especially suitable for key transmission shafts, gear shafts, crankshafts, and other components in the automotive, wind power, and mining machinery industries.

Its excellent hardenability, fatigue strength and heat treatment adaptability give it a clear advantage in replacing high-end carburizing steel.

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

• Phone: 076985475596

• Address: 1st Floor, No. 1, Dongda Fourth Street, Shatou Community, Chang'an Town, Dongguan , Guangdong , China

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• Website: https://songshunsteel.com/

• 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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