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St 14 (High strain steel grade)

Description

General

(Ferro (Fe) rest, Carbon (C)

Properties

Chemical properties

Minimum value Maximum value Unit Sources
%
%

Electrical properties

Minimum value Maximum value Unit Sources
kV/mm
%
-0.45 -0.45 V
0.16 0.16 Ohm.mm²/m

Manufacturing Properties

Minimum value Maximum value Unit Sources

Mechanical properties

Minimum value Maximum value Unit Sources
MPa
MPa
MPa
7850 7850 kg/m³
36 36 %
MPa
J/cm
MPa
220 350 MPa
MPa
220 220 MPa
200000 200000 MPa

Optical properties

Minimum value Maximum value Unit Sources

Thermal properties

Minimum value Maximum value Unit Sources
°C
1500 1540 °C
°C
490 490 J/kg.K
46 46 W/m.K
12 12 e-6/K

Environment

4.13 mPt
0.08 Pt
903 mELU
3.25 MJ/MJ
20.5 MJ
2.95 kg
0.01 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 EU. Iron ore comes for 37% from Brazil, 21% Australia, 31% Europe and the remaining 11% from elsewhere. Lime is imported from Belgium. The production and emission data are for 1989.
Idemat 2003, Design for Sustainability, Delft University of Technology

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