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GS-25CrMo4 (cast steel alloy)

Description

General

GS-25CrMo4 cast steel grade contains: ferro (Fe), carbon (C) 0.22-0.29%, chromium (Cr) 0.30-0.50%, molybdene (Mo) 0.15-0.25%, nickel (Ni)

Properties

Chemical properties

Minimum value Maximum value Unit Sources
%
%

Electrical properties

Minimum value Maximum value Unit Sources
kV/mm
%
V
0.15 0.2 Ohm.mm²/m

Manufacturing Properties

Minimum value Maximum value Unit Sources

Mechanical properties

Minimum value Maximum value Unit Sources
MPa
MPa
MPa
7800 7800 kg/m³
12 16 %
MPa
J/cm
MPa
660 810 MPa
MPa
390 510 MPa
205000 205000 MPa

Optical properties

Minimum value Maximum value Unit Sources

Thermal properties

Minimum value Maximum value Unit Sources
°C
1500 1500 °C
°C
420 460 J/kg.K
47 47 W/m.K
15 15 e-6/K

Environment

18.3 mPt
0.32 Pt
9910 mELU
6.65 MJ/MJ
41.8 MJ
3.91 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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