1.1133 (20Mn5)
Classification
| Country |
Section |
Category |
| Germany |
Non-alloy Special Steels |
Structural Pressure Vessel and Engineering Steels with C < 0,5% |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mn, % |
Cr, % |
Ni, % |
Al, % |
P, % |
C, % |
S, % |
Mo, % |
|---|
|
96.88–98.81 |
< 0.4 |
1–1.5 |
< 0.4 |
< 0.4 |
> 0.02 |
< 0.035 |
0.17–0.23 |
< 0.035 |
< 0.1 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\epsilon_L$$, % |
$$\epsilon_T$$, % |
$$R_{eH}$$, $$MPa$$ |
$$\psi$$, % |
$$KV_{L}$$, $$J$$ |
Treatment |
|---|
|
|
< 100 |
|
normalization |
530 |
22 |
20 |
300 |
55 |
55 |
|
|
|
100–250 |
|
normalization |
520 |
|
|
280 |
|
|
|
|
|
250–500 |
|
normalization |
500 |
|
|
260 |
|
|
|
|
|
500–750 |
|
normalization |
490 |
|
|
250 |
|
|
|
Analogues
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| Cr |
% |
Chrome |
| Ni |
% |
Nickel |
| Al |
% |
Aluminium |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
| Mo |
% |
Molybdenum |
Description of mechanical properties
| Parameter |
Units of measurement |
Description |
| $$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |
| $$\epsilon_L$$ |
% |
Elongation at break (longitudinal) |
| $$\epsilon_T$$ |
% |
Elongation at break (transverse) |
| $$R_{eH}$$ |
$$MPa$$ |
Upper yield point |
| $$\psi$$ |
% |
Reduction in cross section on fracture |
| $$KV_{L}$$ |
$$J$$ |
Impact energy (longitudinal) |