1.4421
Classification
Country |
Section |
Category |
Germany |
Stainless and Heat Resisting Steels |
Stainless Steel with Ni > = 2.5% with Mo but without Nb and Ti |
Chemical composition
Standard |
Fe, % |
Si, % |
Mn, % |
Cr, % |
Ni, % |
P, % |
C, % |
S, % |
Mo, % |
|
74.385–80.5 |
< 0.8 |
< 1 |
15.5–17.5 |
4–5.5 |
< 0.035 |
< 0.06 |
< 0.02 |
< 0.7 |
Information on suppliers
Mechanical properties at 20 °C
Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\sigma_{0.2}$$, $$MPa$$ |
$$\epsilon_L$$, % |
$$KV_{L}$$, $$J$$ |
Treatment |
|
|
|
|
moderate hardening |
780–1200 |
540–830 |
10–15 |
27–60 |
|
Description of chemical elements
Element |
Units of measurement |
Description |
Fe |
% |
Iron |
Si |
% |
Silicon |
Mn |
% |
Manganese |
Cr |
% |
Chrome |
Ni |
% |
Nickel |
P |
% |
Phosphorus |
C |
% |
Carbon |
S |
% |
Sulfur |
Mo |
% |
Molybdenum |
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) |
$$KV_{L}$$ |
$$J$$ |
Impact energy (longitudinal) |