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Abrasion Resistance 1 6511 4340 Alloy Steel Round Bars - China

price: 978.00 Dollar US$

Abrasion Resistance 1 6511 4340 Alloy Steel Round Bars

Products Photos Catalog Abrasion Resistance Photos Catalog

4340 belongs to the American standard high-strength alloy structural steel, which is made of high-quality carbon structural steel by appropriately adding one or more alloying elements (the total content does not exceed 5%).

Corresponding steel number:

China GB steel number 40CrNiMoA, German DIN steel number 36CrNiMo4, German DIN material number 1.6511, French NF standard 40NCD3, Japanese JIS standard SNCM439, British BS standard 816M40, American AISI/ASTM4340, American UNS standard G43400 Heat treatment specification:

Quenching at 850℃, oil cooling; tempering at 600℃, water cooling, oil cooling

Brinell hardness GBW of annealed or high-temperature tempered steel is less than or equal to 269; Dongguan Songshun Mould Steel Co., LTD

We are an Industrial and Trading Company with 3500, 0000 hydraulic forging machine, who has about years experience in this field.

We provide a great variety of steels, competitive price with good quality and keep the mass stock are over 20000 tons.

Our main products are round and flat bars for alloy steel, tool steel, stainless steel, spring steel, bearing steel and etc.

In those years we offer a wide range of high-quality steel for automobile manufacturing, engineering machinery, mold tooling, cutting tools manufacturing industry and also get high praise by at home and aboard clients.

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: mikizhuo

Songshun Facebook: Songshun Steel

Songshun YouTube: MiKi Zhuo

Songshun Company songshunsteel41404340


Company Contact:


  • Phone: 076985475596

  • Address: 1st Floor, No. 1, Dongda Fourth Street, Shatou Community, Chang'an Town, Dongguan , Guangdong , China

  • Email: Email


Published date: July 7, 2022

  • 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

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