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45Cr4NiMoV

China JB 45Cr4NiMoV 大型高铬锻钢支承辊.技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 45Cr4NiMoV / 45Cr4NiMoV
Category Grade Standard Region/Area Standard Content
Metals 45Cr4NiMoV JB/T 11021 China 大型高铬锻钢支承辊.技术条件

Chemical composition(mass fraction)(wt.%) of the 45Cr4NiMoV

Element Min Max Similar
C 0.4000 0.5000 -
Si 0.4000 0.8000 -
Mn 0.6000 0.8000 -
P - 0.0200 -
S - 0.0150 -
Cr 3.5000 4.5000 -
Ni 0.3000 0.6000 -
Mo 0.4000 0.8000 -
V 0.0500 0.1500 -

Mechanical Properties of steel grade 45Cr4NiMoV

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)
347 (≥) 519 (≥) 41 12 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade 45Cr4NiMoV

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 - -     0.34 -  
851 254 - 41.3 224   -  
975 - 24 31.2   141 314

Heat Treatment of steel grade 45Cr4NiMoV

Heat treated : 1138°C - 1929°C

Technological Curves of steel grade 45Cr4NiMoV

Cross Reference Table (Equivalent Grade) of 45Cr4NiMoV

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