Astm 4340 Nf 40ncd3 Din 1 6511 Steel Plate Sheets For Sale - China

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 The chemical composition of Song Shun AISI 4340 alloy structural steel.

C: 0.37-0.44 Si: 0.17-0.37 S：≤0.035 P: ≤0.035

Mn: 0.50-0.80 Cr: 0.60-0.90 Mo: 0.15-0.25 Ni: 1.25-1.65 The mechanical properties of AISI 4340 alloy structural steel

Tensile strength σb (MPa): ≥980(100)

Yield strength σs (MPa): ≥835(85)

Elongation δ5 (%): greater or equal to 12

Area shrinkage ψ (%): greater or equal to 55

Impact energy Akv (J): greater or equal to 78

Elongation δ5 (%): ≥12

Area shrinkage ψ (%): ≥55

Impact energy Akv (J): ≥78

Impact toughness value αkv (J/cm2): ≥98(10)

Sample size: sample blank size is 25mm 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; We warmly welcome new and old customers to establish good and long term relationship with us based on equality and mutual assistance.

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For more information on 4140 steel products, please check our official website and search our company: Dongguan Songshun Mould Steel Co., Ltd.

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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.
  
  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!!!
  
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