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X22CrNi17 (mart.) (431)

Description

General

(Fe rest, C <0.20, Cr 15.0-17.0, Ni 1.25-2.50, Si <1.0, Mn <1.0 (wt.%))

Properties

Chemical properties

Minimum value Maximum value Unit Sources
%
%

Electrical properties

Minimum value Maximum value Unit Sources
kV/mm
%
V
0.7 0.7 Ohm.mm²/m Idemat 2003

Manufacturing Properties

Minimum value Maximum value Unit Sources

Mechanical properties

Minimum value Maximum value Unit Sources
MPa
MPa
MPa
7700 7700 kg/m³ Idemat 2003
17 20 % Idemat 2003
300 300 MPa Idemat 2003
40 68 J/cm Idemat 2003
MPa
870 870 MPa Idemat 2003
MPa
600 600 MPa Idemat 2003
200000 200000 MPa Idemat 2003

Optical properties

Minimum value Maximum value Unit Sources

Thermal properties

Minimum value Maximum value Unit Sources
°C
1450 1450 °C Idemat 2003
°C
460 460 J/kg.K Idemat 2003
20 20 W/m.K Idemat 2003
10 10 e-6/K Idemat 2003

Environment

6.99 mPt
0.19 Pt
6220 mELU
4.68 MJ/MJ
31.1 MJ
3.72 kg
0.01 kg
Important producers of Stainless steels are the US (14%), Germany (9%), CIS (10%), and France (6%). The average scrap supply is 20%. See for the environmental aspects the individual alloy metals data.

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