1.4578 (X3CrNiCuMo17-11-3-2)
Classification
| Country |
Section |
Category |
| Germany |
Stainless and Heat Resisting Steels |
Stainless Steels with Special Additions |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mn, % |
Cr, % |
Cu, % |
Ni, % |
P, % |
C, % |
S, % |
Mo, % |
N, % |
|---|
|
63.29–68.5 |
< 1 |
< 1 |
16.5–17.5 |
3–3.5 |
10–11 |
< 0.045 |
< 0.04 |
< 0.015 |
2–2.5 |
< 0.11 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\sigma_{0.2}$$, $$MPa$$ |
$$\epsilon_L$$, % |
$$\psi$$, % |
Treatment |
|---|
|
|
|
|
annealing, soft |
450–650 |
175 |
45 |
|
|
|
|
|
|
solid, solution annealing, cold drawn |
720–760 |
|
|
|
|
|
|
2–50 |
|
|
|
|
|
63–68 |
|
Brinell hardness number
| Rolling |
Standard |
Classifiers |
Value, HBW |
|
|
annealing, soft |
215 |
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| Cr |
% |
Chrome |
| Cu |
% |
Copper |
| Ni |
% |
Nickel |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
| Mo |
% |
Molybdenum |
| N |
% |
Nitrogen |
Description of mechanical properties
| Parameter |
Units of measurement |
Description |
| $$\sigma_{0.2}$$ |
$$MPa$$ |
Tensile stress required to produce a total elongation of 0.2% |
| $$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |
| $$\epsilon_L$$ |
% |
Elongation at break (longitudinal) |
| $$\psi$$ |
% |
Reduction in cross section on fracture |