Improved Astm 5140 Round Bars Hot Working Properties - China

To improve the hot working properties of ASTM 5140 round bars, several optimization measures can be taken:

1 - Heat Treatment Process Optimization

-Annealing:

Purpose: Softens the material and improves machinability and formability.

Process: Heat the ASTM 5140 round bars to 815°C to 870°C, hold for a period of time, and then slowly cool.

The hardness after annealing typically does not exceed 187 HB.

Effect: The annealed steel is more amenable to subsequent cold working operations such as cutting and bending.

-Normalizing:

Purpose: Refines the grain size, homogenizes the structure, and improves the material's strength and toughness.

Process: Heat the steel to above its upper critical point (Ac3), then cool in air.

Effect: The normalized ASTM 5140 round bars have a more uniform grain structure, improving the material's overall properties and preparing them for subsequent quenching and tempering.

2 - Processing Process Optimization

Cold Working:

-Purpose: Improves dimensional accuracy and surface quality.

- Process: Cold working, such as cold rolling or cold drawing, is performed after annealing or normalizing.

- Effect: Cold-worked ASTM 5140 round bars exhibit improved dimensional accuracy and surface quality, but care must be taken to avoid work hardening during processing.

The above optimization measures significantly improve the hot working properties of ASTM 5140 round bars, making them more suitable for applications requiring high strength and wear resistance.

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!!!

+86-18269260283

Songshun Tiktok: songshunsteelsuppl y

Songshun Facebook: Songshun Steel

Songshun Twitter: Songshun Steel

Songshun YouTube: SONGSHUN STEEL

Songshun Company Website:

https: //songshunsteel.

com/

songshunsteel20240115

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.
  
  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
  
  Songshun Tiktok: mikizhuo
  
  Songshun Facebook: Songshun Steel
  
  Songshun YouTube: MiKi Zhuo
  
  songshunmoldsteel414 04340