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England B.S. En40C Wrought steels for mechanical and allied engineering purposes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: En40C / En40C
Category Grade Standard Region/Area Standard Content
Metals En40C BS 970 England Wrought steels for mechanical and allied engineering purposes

Chemical composition(mass fraction)(wt.%) of the En40C

Element Min Max Similar

Mechanical Properties of steel grade En40C

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)
646 (≥) 788 (≥) 13 44 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade En40C

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 -  
338 765 - 31.3 123   -  
861 - 22 11.2   433 241

Heat Treatment of steel grade En40C

Heat treated : 1898°C - 1311°C

Technological Curves of steel grade En40C

Cross Reference Table (Equivalent Grade) of En40C

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