| Name | The value |
|---|---|
| Name | The value |
| Designation GOST Cyrillic | 20Г2С |
| Designation GOST Latin | 20G2C |
| Transliteration | 20G2S |
| By chemical elements | 20Mn2С |
20Г2С steel is used: for the manufacture of structural shapes of high precision; flanges, housing parts, operating at temperatures from -40 °C to +475 °C under pressure; welded structures operating at temperatures down to -70 °C.
| Name | Code | Standards |
|---|---|---|
| Name | Code | Standards |
| Bars and shapes | В32 | TU 14-1-1271-75 |
| Bars and shapes | В22 | TU 14-1-978-74 |
| Name | The value |
|---|---|
| Name | The value |
| Weldability | Welded without any restrictions. Welding methods: SMAW, ADS under flux and gas protection. For manual arc welding using electrodes УОНИ13/55; for automatic submerged arc - welding wire SV-08ГА or SV-10G2 with flux an-348A; for welding in protective gases Ar and CO2 welding wire SV-08G2S. |
| Склонность к отпускной хрупкости | Tend not. |
| The temperature of forging | Start - 1200 °C, the end - 850 °C. |
| Flock-sensitive sensitivity | not sensitive. |
