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America UNS G40474 Free cutting steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: G40474 / G40474
Category Grade Standard Region/Area Standard Content
Metals G40474 -- America Free cutting steel

Chemical composition(mass fraction)(wt.%) of the G40474

Element Min Max Similar

Mechanical Properties of steel grade G40474

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)
277 (≥) 394 (≥) 42 21 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade G40474

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
33 - -     0.13 -  
919 662 - 33.3 241   -  
985 - 12 13.2   223 324

Heat Treatment of steel grade G40474

Heat treated : 1894°C - 1711°C

Technological Curves of steel grade G40474

Cross Reference Table (Equivalent Grade) of G40474

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