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America UNS K71040 钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: K71040 / K71040
Category Grade Standard Region/Area Standard Content
Metals K71040 -- America

Chemical composition(mass fraction)(wt.%) of the K71040

Element Min Max Similar

Mechanical Properties of steel grade K71040

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)
816 (≥) 164 (≥) 24 41 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade K71040

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
32 - -     0.22 -  
945 819 - 11.3 214   -  
134 - 42 22.2   232 324

Heat Treatment of steel grade K71040

Heat treated : 1154°C - 1945°C

Technological Curves of steel grade K71040

Cross Reference Table (Equivalent Grade) of K71040

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