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X12CrNi 18 9 (Low temperature steel grade)

Description

General

(Fe rest, C .0, Ni 9.0, Si (wt.%))

Properties

Chemical properties

Minimum value Maximum value Unit Sources
%
%

Electrical properties

Minimum value Maximum value Unit Sources
kV/mm
%
-0.45 -0.45 V
0.7 0.7 Ohm.mm²/m

Manufacturing Properties

Minimum value Maximum value Unit Sources

Mechanical properties

Minimum value Maximum value Unit Sources
MPa
MPa
MPa
8100 8100 kg/m³
50 50 %
MPa
2 2 J/cm
MPa
500 700 MPa
MPa
215 215 MPa
205000 205000 MPa

Optical properties

Minimum value Maximum value Unit Sources

Thermal properties

Minimum value Maximum value Unit Sources
°C
1400 1420 °C
°C
J/kg.K
16 16 W/m.K
17 17 e-6/K

Environment

26.09 mPt
0.51 Pt
3431 mELU
11700 MJ/MJ
81.7 MJ
5.41 kg
0.02 kg
Environmental data for the production of 1 kg crude steel from SPIN. Transport is added. The coal comes for 65% from Canada, 23% Australia, 12% from the EEC. Iron ore comes for 37% from Brasil, 21% Australia, 31% Europe and the remaining 11% from elsewhere. Lime is imported from Belgium. Metallic alloy elements are assumed to be added in the required percetages. For details on the winning and refining of the elements see [Metallic Elements]. The production and emission data are for 1989.
Idemat 2003, Design for Sustainability, Delft University of Technology

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