Excellent Scr440 Alloy Tool Steel Chemical Composition Plays A Key Role - China

SCr440 alloy tool steel is an alloy structural steel under the Japanese JIS G4053 standard.

This type of steel is usually used to manufacture mechanical parts that bear large loads and complex stresses.

It is widely used in mechanical manufacturing, automotive industry and other fields.

Chemical composition of SCr440 alloy tool steel

Carbon (C): The content is 0.38-0.43 - Carbon is an important element that determines the strength and hardness of steel.

This content range can enable the steel to obtain higher strength and hardness after heat treatment.

Silicon (Si): The content is 0.15-0.35 - Silicon can enhance the strength and hardness of steel, improve the elastic limit, yield strength and yield strength ratio of steel, and improve the corrosion resistance of steel.

Manganese (Mn): The content is 0.60-0.90 - Manganese can improve the strength, hardness and hardenability of steel, eliminate or weaken the hot brittleness caused by sulfur, and improve the hot processing performance of steel.

Sulfur (S): The allowable residual content is ≤0.035 - Sulfur is a harmful element that will reduce the plasticity, toughness and weldability of steel and increase the hot brittleness of steel, so its content needs to be strictly controlled.

Phosphorus (P): The allowable residual content is ≤0.035 - Phosphorus is also a harmful element that will significantly reduce the plasticity and toughness of steel, especially at low temperatures, it will make the steel brittle, that is, produce cold brittleness.

Chromium (Cr): The content is 0.90 - 1.20 - Chromium can improve the strength, hardness, hardenability and wear resistance of steel, and can also improve the oxidation resistance and corrosion resistance of steel.

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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