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CuZn 31 Si

Germany DIN CuZn31Si Wrought copper alloys; copper-zinc alloys (brass); (special brass); chemical composition and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CuZn31Si / CuZn 31 Si
Category Grade Standard Region/Area Standard Content
Metals CuZn 31 Si DIN 17660 Germany Wrought copper alloys; copper-zinc alloys (brass); (special brass); chemical composition

Chemical composition(mass fraction)(wt.%) of the CuZn 31 Si

Element Min Max Similar
Zn - - -
Tot. other - 0.5000 -
Si 0.7000 1.3000 -
Pb - 0.8000 -
Ni - 0.5000 -
Fe - 0.4000 -
Cu 66.0000 70.0000 -
Zn - - -
Tot. other - 0.5000 -
Si 0.7000 1.3000 -
Pb - 0.8000 -
Ni - 0.5000 -
Fe - 0.4000 -
Cu 66.0000 70.0000 -
Zn - - -
Tot. other - 0.5000 -
Si 0.7000 1.3000 -
Pb - 0.8000 -
Ni - 0.5000 -
Fe - 0.4000 -
Cu 66.0000 70.0000 -

Mechanical Properties of steel grade CuZn 31 Si

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)
339 (≥) 249 (≥) 41 31 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade CuZn 31 Si

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 - -     0.24 -  
283 296 - 11.3 244   -  
547 - 34 33.2   442 142

Heat Treatment of steel grade CuZn 31 Si

Heat treated : 1431°C - 1535°C

Technological Curves of steel grade CuZn 31 Si

Cross Reference Table (Equivalent Grade) of CuZn 31 Si

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