4kh5mfs Steel Automotive Component Machining - China

In the automotive industry, 4KH5MFS steel plays a vital role primarily through the following types of molds: Die-casting molds: 4KH5MFS steel is considered a highly suitable material for aluminum alloy die-casting molds.

Components such as automotive engine blocks and transmission housings are typically manufactured using die-casting processes; the molds for these parts require a steel capable of withstanding the erosive force of molten aluminum at high temperatures and the stresses of thermal cycling.

Injection molds: High-performance 4KH5MFS steel (often designated as grade 1.2343) is an ideal choice for manufacturing automotive lighting molds (including those for headlights and taillights).

These molds demand exceptional **polishability**, **dimensional stability**, and **wear resistance** to ensure the optical precision and surface quality of components like lenses and reflectors.

Processing data confirms that critical mold components—such as inserts and cores—made from this material can achieve a hardness of HRC 46–48 after heat treatment.

In summary, 4KH5MFS steel acts as an "unsung hero" in automotive component manufacturing; it is not a part installed directly onto the vehicle itself, but rather the high-performance mold material used to produce those parts.

By employing appropriate post-processing strengthening techniques, it effectively ensures both quality and efficiency in the production of critical components, such as aluminum die-castings and high-gloss plastic lighting parts.

Songshun Company Website:

https: //songshunsteel.

com/

songshunsteel20260115

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