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America UNS C69430 Silicon Red Brass and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C69430 / C69430
Category Grade Standard Region/Area Standard Content
Metals C69430 -- America Silicon Red Brass

Chemical composition(mass fraction)(wt.%) of the C69430

Element Min Max Similar
Zn - - -
Si 3.5000 4.5000 -
Sb 0.0300 0.0600 -
Pb - 0.3000 -
Other 99.5000 - -
Fe - 0.2000 -
Cu 80.0000 83.0000 -

Mechanical Properties of steel grade C69430

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)
478 (≥) 724 (≥) 22 12 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade C69430

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 - -     0.41 -  
675 911 - 13.3 442   -  
566 - 31 14.2   443 113

Heat Treatment of steel grade C69430

Heat treated : 1732°C - 1364°C

Technological Curves of steel grade C69430

Cross Reference Table (Equivalent Grade) of C69430

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