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CuZn 40

Description

General

(Cu rest, Zn 40.0 (wt.%))

Properties

Chemical properties

Minimum value Maximum value Unit Sources
%
%

Electrical properties

Minimum value Maximum value Unit Sources
kV/mm
%
V
0.06 0.06 Ohm.mm²/m Idemat 2003

Manufacturing Properties

Minimum value Maximum value Unit Sources

Mechanical properties

Minimum value Maximum value Unit Sources
MPa
MPa
MPa
8500 8500 kg/m³ Idemat 2003
20 30 % Idemat 2003
100 170 MPa Idemat 2003
J/cm
36000 36000 MPa Idemat 2003
400 450 MPa Idemat 2003
MPa
270 300 MPa Idemat 2003
98000 98000 MPa Idemat 2003

Optical properties

Minimum value Maximum value Unit Sources

Thermal properties

Minimum value Maximum value Unit Sources
°C
875 890 °C Idemat 2003
°C
376 376 J/kg.K Idemat 2003
120 120 W/m.K Idemat 2003
21 21 e-6/K Idemat 2003

Environment

65.41 mPt
1.7 Pt
64400 mELU
34.78 MJ/MJ
82 MJ
32.92 kg
80.8 kg
Considerable differences appear in practice. Therefore we used the energy requirements of winning in open mines and smelting in the main producing countries US and Chile as basis. The sulfidic ore has a copper content of 0, 6%. There is also a wide spread in the emission of SO2 during the refinery process. This reaches from 38 gram/kg Cu to 3500 gram/kg Cu, with an average of 1060gram / kg Cu. Often the reclaimed SO2 is used for the production of sulphuric acid. The world avererage scrap percentage is 20%.

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