Designation
| Name |
The value |
| Designation GOST Cyrillic |
Св-08 |
| Designation GOST Latin |
Cb-08 |
| Transliteration |
Sv-08 |
| By chemical elements |
08 |
Description
Steel St-08 is used: for the production of wire rod, used for the manufacture of welding wire used on vases.
Note
Carbon steel quality.
Standards
| Name |
Code |
Standards |
| Bars and shapes |
В32 |
TU 14-1-582-73 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
| TU 14-1-582-73 |
≤0.1 |
≤0.04 |
≤0.04 |
≤0.45 |
≤0.1 |
≤0.05 |
≤0.1 |
Rest |
≤0.2 |
Fe is the basis.
According to TU 14-1-582-73 the chemical composition is given for steel grade Sv-08. In the finished rolled products, a deflection of silicon content of ± 0.050% is allowed.
Mechanical properties
| σU, MPa |
y, % |
| Rod in the state of delivery on the other 14-1-582-73 |
| ≥410 |
≥60 |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
| y |
The relative narrowing |
Technological properties
| Name |
The value |
| Macrostructure and pollution |
B macrostructure of wire rod, are not allowed discontinuity of the metal caused by the presence of non-metallic inclusions, shrinkage porosity, shrinkage, bubbles, delaminations, cracks and voids. |
| Microstructure |
Rod must have a microstructure of ferrite + pearlite. Local podolka rod is not allowed (martensitic and toostonedtocare areas). |
