1.0512 (C40GPb)
Classification
Country |
Section |
Category |
Germany |
Non-alloy Steels |
Steels with Average 0,25% =< C < 0,55% or 500 MPa =< Rm < 700 MPa |
Chemical composition
Standard |
Fe, % |
Si, % |
Mn, % |
P, % |
C, % |
S, % |
|
> 97.57 |
< 0.55 |
< 1.6 |
< 0.03 |
< 0.22 |
< 0.03 |
Information on suppliers
Mechanical properties at 20 °C
Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\sigma_{Y}$$, $$MPa$$ |
$$\epsilon_L$$, % |
$$KV_{L}$$, $$J$$ |
Treatment |
|
|
< 3 |
|
|
510–680 |
|
|
40 |
|
|
|
3–100 |
|
|
470–630 |
|
|
|
|
|
|
100–120 |
|
|
450–600 |
295 |
18 |
|
|
|
|
< 16 |
|
|
|
355 |
|
|
|
|
|
16–40 |
|
|
|
345 |
|
|
|
|
|
40–63 |
|
|
|
335 |
21 |
|
|
|
|
63–80 |
|
|
|
325 |
|
|
|
|
|
80–100 |
|
|
|
315 |
|
|
|
|
|
< 40 |
|
|
|
|
22 |
|
|
|
|
63–100 |
|
|
|
|
20 |
|
|
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) |
$$KV_{L}$$ |
$$J$$ |
Impact energy (longitudinal) |