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25 CrMo 4 KD

EU EU 25CrMo4KD 冷镦和冷挤压用钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 25CrMo4KD / 25 CrMo 4 KD
Category Grade Standard Region/Area Standard Content
Metals 25 CrMo 4 KD EU 119 EU 冷镦和冷挤压用钢

Chemical composition(mass fraction)(wt.%) of the 25 CrMo 4 KD

Element Min Max Similar

Mechanical Properties of steel grade 25 CrMo 4 KD

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)
895 (≥) 523 (≥) 41 24 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade 25 CrMo 4 KD

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
14 - -     0.31 -  
948 647 - 43.3 334   -  
986 - 13 41.2   314 213

Heat Treatment of steel grade 25 CrMo 4 KD

Heat treated : 1812°C - 1388°C

Technological Curves of steel grade 25 CrMo 4 KD

Cross Reference Table (Equivalent Grade) of 25 CrMo 4 KD

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