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CuZn30 (brass)

Description

General

(Cu rest, Zn 30 (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
8550 8550 kg/m³ Idemat 2003
10 50 % Idemat 2003
100 170 MPa Idemat 2003
J/cm
41500 42000 MPa Idemat 2003
330 500 MPa Idemat 2003
MPa
140 430 MPa Idemat 2003
117000 117000 MPa Idemat 2003

Optical properties

Minimum value Maximum value Unit Sources

Thermal properties

Minimum value Maximum value Unit Sources
°C
910 965 °C Idemat 2003
°C
376 376 J/kg.K Idemat 2003
120 120 W/m.K Idemat 2003
19 19 e-6/K Idemat 2003

Environment

73.78 mPt
1.91 Pt
66100 mELU
27.71 MJ/MJ
85.2 MJ
25.57 kg
94.1 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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