1.2718 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.2718

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DIN 1.2718

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This page is mainly introduced the 1.2718 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.2718,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Alloyed NiCr steel

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.50  0.57
Si 0.15  0.30
Mn 0.40  0.50
P   0.035
S   0.035
Cr 0.50  0.70
Mo  
V  
Ni 2.50  3.00

Mechanical Properties

Tensile strength 725~214 σb/MPa
Yield Strength 475 σ 0.2 ≥/MPa
Elongation 30 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 496~866 -
HRC 30 -

Physical Properties

Thermal expansion 16-26 e-6/K
Thermal conductivity 79-55 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6462-4637 째C
Density 3072-5719 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)
1.2718 Tool Die Steels 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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