C70W2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C70W2

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DIN C70W2

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This page is mainly introduced the C70W2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C70W2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
High carbon steel

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.65  0.74
Si 0.10  0.30
Mn 0.10  0.25
P   0.030
S   0.030

Mechanical Properties

Tensile strength 926~593 σb/MPa
Yield Strength 483 σ 0.2 ≥/MPa
Elongation 12 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 959~329 -
HRC 30 -

Physical Properties

Thermal expansion 82-58 e-6/K
Thermal conductivity 69-54 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2444-9944 째C
Density 0050-3106 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)
C70W2 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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