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E-Cu

Description

General

(Cu > 99.90 (wt.%))

Properties

Chemical properties

Minimum value Maximum value Unit Sources
%
%

Electrical properties

Minimum value Maximum value Unit Sources
kV/mm
%
0.34 0.34 V Idemat 2003
0.02 0.02 Ohm.mm²/m Idemat 2003

Manufacturing Properties

Minimum value Maximum value Unit Sources

Mechanical properties

Minimum value Maximum value Unit Sources
MPa
MPa
MPa
8900 8930 kg/m³ Idemat 2003
12 48 % Idemat 2003
75 75 MPa Idemat 2003
J/cm
45000 45000 MPa Idemat 2003
220 320 MPa Idemat 2003
MPa
50 270 MPa Idemat 2003
120000 120000 MPa Idemat 2003

Optical properties

Minimum value Maximum value Unit Sources

Thermal properties

Minimum value Maximum value Unit Sources
°C
1080 1083 °C Idemat 2003
°C
385 385 J/kg.K Idemat 2003
388 388 W/m.K Idemat 2003
17 17 e-6/K Idemat 2003

Environment

98.9 mPt
2.54 Pt
71000 mELU
59.19 MJ/MJ
94.9 MJ
3.49 kg
134 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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