40CrMnMo7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40CrMnMo7

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DIN 40CrMnMo7

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This page is mainly introduced the 40CrMnMo7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40CrMnMo7,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
40CrMnMo7
  • Steel Garde:40CrMnMo7
  • Type:Special Alloy
  • Country:Germany
  • Standard:DIN
  • Application:Cold working alloy tool steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
40CrMnMo7 UNE Spain

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 580~448 σb/MPa
Yield Strength 427 σ 0.2 ≥/MPa
Elongation 66 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 944~455 -
HRC 30 -

Physical Properties

Thermal expansion 42-84 e-6/K
Thermal conductivity 80-05 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4666-1030 째C
Density 6353-2151 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

Size Availability

Steel Grade Specification Processing range(mm)
40CrMnMo7 Special Alloy Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download