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X 12 CrMo 7

Germany DIN X12CrMo7 Heat treatable alloyed CrSiMnMo steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X12CrMo7 / X 12 CrMo 7
Category Grade Standard Region/Area Standard Content
Metals X 12 CrMo 7 -- Germany Heat treatable alloyed CrSiMnMo steel

Chemical composition(mass fraction)(wt.%) of the X 12 CrMo 7

Element Min Max Similar
Si 0.5000 1.0000 -
S - 0.0300 -
P - 0.0300 -
Mo 0.4500 0.6500 -
Mn 0.3000 0.6000 -
Cr 6.0000 8.0000 -
C - 0.1500 -

Mechanical Properties of steel grade X 12 CrMo 7

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)
999 (≥) 444 (≥) 13 14 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade X 12 CrMo 7

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 - -     0.14 -  
562 551 - 41.3 142   -  
989 - 22 14.2   113 324

Heat Treatment of steel grade X 12 CrMo 7

Heat treated : 1792°C - 1895°C

Technological Curves of steel grade X 12 CrMo 7

Cross Reference Table (Equivalent Grade) of X 12 CrMo 7

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