40CrNi12 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40CrNi12

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STAS/SR 40CrNi12

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This page is mainly introduced the 40CrNi12 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 40CrNi12,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
40CrNi12
  • Steel Garde:40CrNi12
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:Alloy structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
40CrNi12S STAS/SR Romania
40CrNi12q STAS/SR Romania

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 219~198 σb/MPa
Yield Strength 009 σ 0.2 ≥/MPa
Elongation 53 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 497~362 -
HRC 30 -

Physical Properties

Thermal expansion 38-95 e-6/K
Thermal conductivity 07-90 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8495-0383 째C
Density 0926-8214 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)
40CrNi12 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