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CuZn20A12

Poland PN CuZn20A12 Wrought copper - zinc alloys - Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CuZn20A12 / CuZn20A12
Category Grade Standard Region/Area Standard Content
Metals CuZn20A12 PN H87025 Poland Wrought copper - zinc alloys - Grades

Chemical composition(mass fraction)(wt.%) of the CuZn20A12

Element Min Max Similar
Mn - 0.1000 -
P - 0.0100 -
Ni - 0.1000 -
Cu 76.0000 79.0000 -
Al 1.8000 2.3000 -
Zn - - -
Mg - 0.0050 -
Fe - 0.0700 -
As 0.0200 0.0600 -
Pb - 0.0700 -
Others Total - 0.1000 -

Mechanical Properties of steel grade CuZn20A12

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)
652 (≥) 375 (≥) 34 12 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade CuZn20A12

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
42 - -     0.22 -  
886 547 - 44.3 213   -  
818 - 31 13.2   313 334

Heat Treatment of steel grade CuZn20A12

Heat treated : 1779°C - 1933°C

Technological Curves of steel grade CuZn20A12

Cross Reference Table (Equivalent Grade) of CuZn20A12

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