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Germany DIN C70W2 Tool Steels; Technical Conditions of Delivery and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C70W2 / C 70 W2
Category Grade Standard Region/Area Standard Content
Metals C 70 W2 DIN 17350 Germany Tool Steels; Technical Conditions of Delivery

Chemical composition(mass fraction)(wt.%) of the C 70 W2

Element Min Max Similar
Si 0.1000 0.3000 -
S - 0.0300 -
P - 0.0300 -
Mn 0.1000 0.3500 -
C 0.6500 0.7400 -

Mechanical Properties of steel grade C 70 W2

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
522 (≥) 173 (≥) 21 42 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade C 70 W2

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
34 - -     0.44 -  
575 537 - 33.3 142   -  
537 - 11 12.2   334 141

Heat Treatment of steel grade C 70 W2

Heat treated : 1821°C - 1334°C

Technological Curves of steel grade C 70 W2

Cross Reference Table (Equivalent Grade) of C 70 W2

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