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C 140 E 3U Cr 4

France AFNOR NF C140E3UCr4 工具钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C140E3UCr4 / C 140 E 3U Cr 4
Category Grade Standard Region/Area Standard Content
Metals C 140 E 3U Cr 4 NF A35-590 France 工具钢

Chemical composition(mass fraction)(wt.%) of the C 140 E 3U Cr 4

Element Min Max Similar
Si 0.1000 0.3000 -
S - 0.0250 -
P - 0.0250 -
Mn 0.1000 0.4000 -
Cr 0.2000 0.5000 -
C 1.3000 1.5000 -

Mechanical Properties of steel grade C 140 E 3U Cr 4

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)
648 (≥) 941 (≥) 12 43 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade C 140 E 3U Cr 4

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
21 - -     0.13 -  
289 236 - 22.3 214   -  
771 - 12 11.2   444 331

Heat Treatment of steel grade C 140 E 3U Cr 4

Heat treated : 1261°C - 1699°C

Technological Curves of steel grade C 140 E 3U Cr 4

Cross Reference Table (Equivalent Grade) of C 140 E 3U Cr 4

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