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Mumetal

Description

General

(Ni 77, Fe rest, Cu 5.0, Cr 1.5 (wt.%))

Properties

Chemical properties

Minimum value Maximum value Unit Sources
%
%

Electrical properties

Minimum value Maximum value Unit Sources
kV/mm
%
-0.26 -0.26 V Idemat 2003
0.6 0.6 Ohm.mm²/m Idemat 2003

Manufacturing Properties

Minimum value Maximum value Unit Sources

Mechanical properties

Minimum value Maximum value Unit Sources
MPa
MPa
MPa
8600 8600 kg/m³ Idemat 2003
27 27 % Idemat 2003
MPa
J/cm
MPa
450 450 MPa Idemat 2003
MPa
130 130 MPa Idemat 2003
MPa

Optical properties

Minimum value Maximum value Unit Sources

Thermal properties

Minimum value Maximum value Unit Sources
°C
°C
°C
J/kg.K
W/m.K
12.6 12.6 e-6/K Idemat 2003

Environment

188 mPt
3.12 Pt
39000 mELU
50.69 MJ/MJ
277 MJ
12.66 kg
6.73 kg
43% of the world production comes from the US and Canada. Another 30% of the world production is won in Siberia (Norilsk). There are two types of Nickel ore: sulphidic and oxidic ore. Sulphidic nickel ore is mainly extracted in underground mine winning and has 0, 5-3% Ni content. Oxidic ore comes from daylight winning but has a lower metal content (0, 9-1, 4%Ni). The most important environmental problem is the SO2 emission associated with the refinery process. See for the environmental aspects the individual alloy metals data.

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