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12 CrMo 8-5

Germany DIN 12CrMo8-5 Heat treatable alloyed CrMnMo steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 12CrMo8-5 / 12 CrMo 8-5
Category Grade Standard Region/Area Standard Content
Metals 12 CrMo 8-5 -- Germany Heat treatable alloyed CrMnMo steel

Chemical composition(mass fraction)(wt.%) of the 12 CrMo 8-5

Element Min Max Similar

Mechanical Properties of steel grade 12 CrMo 8-5

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)
299 (≥) 857 (≥) 41 31 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical Properties of steel grade 12 CrMo 8-5

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
13 - -     0.23 -  
577 982 - 33.3 234   -  
558 - 44 11.2   443 132

Heat Treatment of steel grade 12 CrMo 8-5

Heat treated : 1625°C - 1972°C

Technological Curves of steel grade 12 CrMo 8-5

Cross Reference Table (Equivalent Grade) of 12 CrMo 8-5

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