1.7375 (12CrMo9-10)
Classification
| Country |
Section |
Category |
| Germany |
Structural, Pressure Vessel and Engineering Steels |
Cr-Mo with Mo ≥ 0.35% |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mn, % |
Cr, % |
Cu, % |
Ni, % |
Al, % |
P, % |
C, % |
S, % |
Mo, % |
N, % |
|---|
| EN 10028-2 |
94.523–96.69 |
< 0.3 |
0.3–0.8 |
2–2.5 |
< 0.25 |
< 0.3 |
0.01–0.04 |
< 0.015 |
0.1–0.15 |
< 0.01 |
0.9–1.1 |
< 0.012 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\sigma_{Y}$$, $$MPa$$ |
$$\epsilon_L$$, % |
$$KV_{T}$$, $$J$$ |
Treatment |
|---|
|
|
< 250 |
|
Hardening, normalization |
540–690 |
355 |
18 |
27 |
|
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| Cr |
% |
Chrome |
| Cu |
% |
Copper |
| Ni |
% |
Nickel |
| Al |
% |
Aluminium |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
| Mo |
% |
Molybdenum |
| N |
% |
Nitrogen |
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) |
| $$KV_{T}$$ |
$$J$$ |
Impact energy (transverse) |