Main Chemical Composition Aisi 5140 Steel Medium Carbon Low Alloy Material - China

AISI 5140 steel is a medium carbon low alloy steel belonging to the chromium-molybdenum steel family, which is widely used for its good strength, toughness and wear resistance.

Compared with other alloy steels, 5140 steel has some unique characteristics and advantages.

Chemical composition of 5140 steel

The main chemical composition of AISI 5140 steel includes:

- **Carbon (C)**: 0.38 - 0.43%

- **Manganese (Mn)**: 0.70 - 0.90%

- **Silicon (Si)**: 0.15 - 0.35%

- **Chromium (Cr)**: 0.70 - 0.90%

- **Nickel (Ni)**: ≤0.30% This composition makes 5140 steel excellent in strength and toughness, suitable for applications with high loads and wear.

Comparison with other alloy steels

**Comparison with AISI 4140 steel**:

- **Strength**: AISI 5140 generally has higher tensile and yield strengths than AISI 4140, especially after heat treatment.

- **Toughness**: 5140 steel performs well in terms of toughness and is suitable for manufacturing demanding mechanical parts.

Applications

AISI 5140 steel is widely used in several industries, including:

- **Automotive industry**: Manufacturing gears, shafts, crankshafts, etc.

- **Aerospace**: Used in aircraft landing gear components.

- **Oil and gas industry**: Manufacturing drill pipes, valves, etc.

- **Construction industry**: Manufacturing heavy machinery parts.

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Company Contact:

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

• Phone: 0086 0769 85475596

• 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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