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C 42 E 4U

France AFNOR NF C42E4U 工具钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C42E4U / C 42 E 4U
Category Grade Standard Region/Area Standard Content
Metals C 42 E 4U NF A35-590 France 工具钢

Chemical composition(mass fraction)(wt.%) of the C 42 E 4U

Element Min Max Similar
Si 0.1000 0.4000 -
S - 0.0350 -
P - 0.0350 -
Ni - 0.3500 -
Mn 0.5000 0.8000 -
Cu - 0.3500 -
Cr - 0.3500 -
C 0.4000 0.4500 -

Mechanical Properties of steel grade C 42 E 4U

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)
868 (≥) 186 (≥) 14 34 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade C 42 E 4U

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
44 - -     0.22 -  
516 239 - 42.3 221   -  
234 - 24 43.2   221 333

Heat Treatment of steel grade C 42 E 4U

Heat treated : 1367°C - 1882°C

Technological Curves of steel grade C 42 E 4U

Cross Reference Table (Equivalent Grade) of C 42 E 4U

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