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America UNS G47204 Free cutting steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: G47204 / G47204
Category Grade Standard Region/Area Standard Content
Metals G47204 -- America Free cutting steel

Chemical composition(mass fraction)(wt.%) of the G47204

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0400 -
Pb 0.1500 0.3500 -
P - 0.0350 -
Ni 0.9000 1.2000 -
Mo 0.1500 0.2500 -
Mn 0.5000 0.7000 -
Cu - 0.3500 -
Cr 0.3500 0.5500 -
C 0.1700 0.2200 -

Mechanical Properties of steel grade G47204

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)
625 (≥) 572 (≥) 11 14 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade G47204

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 - -     0.23 -  
614 742 - 24.3 134   -  
745 - 14 23.2   232 341

Heat Treatment of steel grade G47204

Heat treated : 1923°C - 1792°C

Technological Curves of steel grade G47204

Cross Reference Table (Equivalent Grade) of G47204

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