Optimizing Scm440 Steel Precision Forging Technology - China

SCM440 steel is a medium-carbon chromium-molybdenum high-strength alloy steel, corresponding to China's 42CrMo steel.

The key points of its precision forging technology are as follows:

Forging process:

- **Heating control**: Heat the billet to a suitable forging temperature range, generally the initial forging temperature is 1100-1150℃, and the final forging temperature is not less than 850℃.

The heating speed should not be too fast to avoid excessive thermal stress.

- **Multiple upsetting and drawing**: SCM440 steel adopts three-upsetting and three-drawing processes, and the forging ratio is greater than 5 - Through multiple upsetting and drawing, the casting structure of the steel ingot is fully broken, the internal pores and other defects are eliminated, the grains are refined, the structure is dense, and the comprehensive mechanical properties of the material are improved.

- **Precision mold design and manufacturing**: According to the shape and size requirements of SCM440 steel, high-precision forging molds are designed.

The precision and surface quality of the mold directly affect the dimensional accuracy and surface quality of the forging.

Advanced processing equipment and technology are used to ensure the manufacturing accuracy of the mold.

For example, the dimensional tolerance of the mold cavity is controlled within ±0.05mm.

- **Forging operation**: During the forging process, parameters such as forging force, forging speed and forging ratio are strictly controlled.

Suitable forging equipment such as friction press, hydraulic press, etc.

are used to ensure the stability and controllability of the forging process.

For example, for small SCM440 steel forgings, a friction press can be used for die forging, and its strike energy and number of strikes can be adjusted according to the complexity of the forging.

SONGSHUN STEEL

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Company Contact:

• 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

• Email:

• 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.
  
  After more than 10 years development and growing, Songshun Steel becomes one comprehensive special steel factory, stockist and exporter.
  
  Combined with experienced exporting team and professional technical knowledge, Songshun Steel offers both technical advice and support, as well as global professional steel solution and service.
  
  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.
  
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