1.7350 (22CrMo4-4)
Classification
Country |
Section |
Category |
Germany |
Structural, Pressure Vessel and Engineering Steels |
Cr-Mo with Mo ≥ 0.35% |
Chemical composition
Standard |
Fe, % |
Si, % |
Mn, % |
Cr, % |
Ni, % |
P, % |
C, % |
S, % |
Mo, % |
|
96.17–97.86 |
0.15–0.4 |
0.5–0.8 |
0.9–1.2 |
< 0.6 |
< 0.035 |
0.19–0.26 |
< 0.035 |
0.4–0.5 |
Information on suppliers
Mechanical properties at 20 °C
Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\sigma_{Y}$$, $$MPa$$ |
$$\epsilon_L$$, % |
$$KU$$, $$J$$ |
Treatment |
|
|
|
|
|
640–780 |
> 490 |
< 18 |
> 41 |
After quenching and tempering or tempering |
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 |
$$\sigma_{Y}$$ |
$$MPa$$ |
Yield strength |
$$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |
$$\epsilon_L$$ |
% |
Elongation at break (longitudinal) |
$$KU$$ |
$$J$$ |
Impact energy |