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NiCr 80 20

Description

General

(Ni 80, Cr 20 (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
1.1 1.1 Ohm.mm²/m Idemat 2003

Manufacturing Properties

Minimum value Maximum value Unit Sources

Mechanical properties

Minimum value Maximum value Unit Sources
MPa
MPa
MPa
8300 8300 kg/m³ Idemat 2003
%
MPa
J/cm
MPa
730 730 MPa Idemat 2003
MPa
350 350 MPa Idemat 2003
214000 214000 MPa Idemat 2003

Optical properties

Minimum value Maximum value Unit Sources

Thermal properties

Minimum value Maximum value Unit Sources
°C
1390 1425 °C Idemat 2003
°C
450 450 J/kg.K Idemat 2003
13 13 W/m.K Idemat 2003
13 13 e-6/K Idemat 2003

Environment

190.9 mPt
3.19 Pt
43600 mELU
65.62 MJ/MJ
310 MJ
14.14 kg
0.03 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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