Designation
| Name |
The value |
| Designation GOST Cyrillic |
Св-12М |
| Designation GOST Latin |
Cb-12M |
| Transliteration |
Sv-12M |
| By chemical elements |
12Mo |
Description
Steel SV-12M is used: for the production of wire rod intended for the production of welding wire.
Note
A steel alloy.
Standards
| Name |
Code |
Standards |
| Bars and shapes |
В32 |
TU 14-1-2203-77 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Mo |
| TU 14-1-2203-77 |
≤0.12 |
≤0.03 |
≤0.03 |
0.4-0.7 |
≤0.2 |
0.15-0.35 |
≤0.3 |
Rest |
0.4-0.6 |
Fe is the basis.
According to TU 14-1-2203-77, the chemical composition is given for the S-12M welding wire.
Technological properties
| Name |
The value |
| Macrostructure and pollution |
In the macrostructure of wire rod, are not allowed discontinuity of the metal caused by the presence of shrinkage, axial looseness, bubbles, cracks, delamination and inclusions. |
| Microstructure |
Wire rod microstructure should be uniform. Padalka (martensitic and toostonedtocare areas) is not allowed. |
