Improving The Mechanical Properties Of 4130 Steels By Proper Heat Treatment - China

4130 steels is a commonly used alloy steel whose main components are carbon, chromium and molybdenum.

It is widely used in aerospace, automobiles, machinery manufacturing and other fields because of its good strength, toughness and weldability.

Through appropriate heat treatment, the mechanical properties of 4130 steel can be significantly improved to better meet specific application needs.

This article will explore heat treatment methods for 4130 steel and its impact on mechanical properties.

Effect of heat treatment on mechanical properties

Through the above heat treatment process, the mechanical properties of 4130 steels can be significantly improved.

1 - **Hardness and Strength** - **After quenching**: Usually a hardness higher than 30 HRC can be achieved.

Compared with untreated 4130 steels, its strength is significantly improved, and the yield strength can exceed 700 MPa.

- **After Tempering**: Depending on the tempering temperature, the hardness and strength can be adjusted to the required level to achieve better compatibility.

2 - **Toughness** - **Tempering process**: Through proper tempering, the internal stress can be reduced and the toughness of the material can be improved, making it less likely to break under impact load.

3 - **Fatigue Strength** - After heat treatment, the fatigue strength of 4130 steels will also be improved, making it suitable for applications that bear alternating loads, such as mechanical parts and structural parts.

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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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  Due to satisfactory reliable quality and professional service, Songshun expands our market worldwide, such as Colombia, Chile, Spain, Turkey, Iran, Vietnam, Malaysia ,UAE, Canada, Brazil, Mexico and so on.
  
  Songshun specialized in Special Steel for almost 20 years.
  
  We can supply mold steel, high speed steel, alloy steel, free cutting steel and etc.
  
  Welcome your contact 24 hours a day!!!
  
  Skype/Whatsapp/We chat: +86-18269260283
  
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