74NiCr2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 74NiCr2

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DIN 74NiCr2

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This page is mainly introduced the 74NiCr2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 74NiCr2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
74NiCr2
  • Steel Garde:74NiCr2
  • Type:Special Alloy
  • Country:Germany
  • Standard:DIN
  • Application:Cold working alloy tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 248~268 σb/MPa
Yield Strength 049 σ 0.2 ≥/MPa
Elongation 00 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 656~724 -
HRC 30 -

Physical Properties

Thermal expansion 89-56 e-6/K
Thermal conductivity 49-23 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4822-4525 째C
Density 5092-7113 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)
74NiCr2 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

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