Alloy Structural Steel Jis Scr440 Material Direct Sales Large Quantities Of Stock - China

JIS SCr440 material is a kind of alloy structural steel, which is the most commonly used alloy structural steel.

Its tensile strength, yield strength and hardenability are higher than those of No.

40 steel.

●JIS SCr440 material chemical composition:

Carbon C: 0.38～0.43Silicon Si: 0.15～0.35

Manganese Mn: 0.60～0.90

Sulfur S: allowable residual content ≤0.030

Phosphorus P: allowable residual content ≤0.030

Chromium Cr: 0.90-1.20

Nickel Ni: allowable residual content ≤0.25

Copper Cu: allowable residual content ≤0.030 ●JIS SCr440 material mechanical properties:

Tensile strength σb (MPa): ≥980(100)

Yield strength σs (MPa): ≥785(80)

Elongation δ5 (%): ≥9

Sectional reduction ψ (%): ≥45

Impact energy Akv (J): ≥47

Impact toughness value αkv (J/cm²): ≥59(6)

Hardness ：≤207HB

Specimen size: The blank size of the specimen is 25mm

●Heat treatment specifications and metallographic structure:

Heat treatment specifications: Quenching 850℃, oil cooling; tempering 520℃, water cooling, oil cooling.

●Delivery status: Delivery in heat treatment (normalizing, annealing or high temperature tempering) or non-heat treatment state, the delivery status should be indicated in the contract.

Songshun Company Website:

https: //songshunsteel.

com/

songshunsteel20240115

Company Contact:

• Posted By: Dongguan Songshun Mould Steel Co., Ltd.

• Phone: 0086 0769 85475596

• 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.
  
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