D40550
Classification
| Country |
Section |
Category |
| USA |
Steels with specified mechanical properties |
Carbon Steels |
Chemical composition
| Standard |
Fe, % |
Cu, % |
Pb, % |
P, % |
S, % |
|---|
| UNS |
99.36–99.85 |
< 0.2 |
0.15–0.35 |
< 0.04 |
< 0.05 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
Treatment |
|---|
|
|
|
|
|
379–448 |
|
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Cu |
% |
Copper |
| Pb |
% |
Lead |
| P |
% |
Phosphorus |
| S |
% |
Sulfur |
Description of mechanical properties
| Parameter |
Units of measurement |
Description |
| $$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |