1.0485 (21Mn6)
Classification
| Country |
Section |
Category |
| Germany |
Non-alloy Steels |
Steels with Average 0,12% =< C < 0,25% or 400 MPa = < Rm < 500 MPa |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mn, % |
P, % |
C, % |
S, % |
|---|
|
97.48–98.85 |
< 0.6 |
1.15–1.6 |
< 0.045 |
< 0.23 |
< 0.045 |
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 |
|---|
|
|
|
|
|
510–650 |
> 335 |
< 19 |
> 31 |
After quenching and tempering or tempering |
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
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 |