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Fe520 (Construction steel grade)

Description

General

Better strength than St 37.

Properties

Chemical properties

Minimum value Maximum value Unit Sources
%
%

Electrical properties

Minimum value Maximum value Unit Sources
kV/mm
%
-0.45 -0.45 V Idemat 2003
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 Idemat 2003
22 22 % Idemat 2003
MPa
0.7 0.9 J/cm Idemat 2003
MPa
520 620 MPa Idemat 2003
MPa
360 360 MPa Idemat 2003
210000 210000 MPa Idemat 2003

Optical properties

Minimum value Maximum value Unit Sources

Thermal properties

Minimum value Maximum value Unit Sources
°C
1500 1540 °C Idemat 2003
°C
470 470 J/kg.K Idemat 2003
53 53 W/m.K Idemat 2003
12 12 e-6/K Idemat 2003

Environment

4.13 mPt
0.08 Pt
903 mELU
3.26 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 EEC. Iron ore comes for 37% from Brasil, 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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