| Name | The value |
|---|---|
| Name | The value |
| Designation GOST Cyrillic | 1Х2М1 |
| Designation GOST Latin | 1X2M1 |
| Transliteration | 1H2M1 |
| By chemical elements | 1Cr2Mo1 |
1KH2M1 steel is used: for the production of two-layer sheet steel; seamless pipes for petroleum refining and petrochemical industries.
| Name | Code | Standards |
|---|---|---|
| Name | Code | Standards |
| Steel pipes and fittings to them | В62 | GOST 550-75 |
| Blanks. Of the workpiece. Slabs | В31 | TU 14-1-3111-81 |
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | Mo |
|---|---|---|---|---|---|---|---|---|---|---|
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | Mo |
| TU 14-1-3111-81 | 0.08-0.13 | ≤0.03 | ≤0.03 | 0.3-0.6 | 2-2.5 | 0.17-0.37 | ≤0.5 | Rest | ≤0.3 | 0.9-1.1 |
| GOST 550-75 | 0.08-0.13 | ≤0.035 | ≤0.035 | 0.3-0.6 | 2-2.5 | 0.17-0.37 | ≤0.5 | Rest | ≤0.3 | 0.9-1.1 |
| Section, mm | sT|s0,2, MPa | σU, MPa | d5, % | y, % | KCU, kJ/m2 | HB, MPa |
|---|---|---|---|---|---|---|
| Section, mm | sT|s0,2, MPa | σU, MPa | d5, % | y, % | KCU, kJ/m2 | HB, MPa |
| Tubular billet with a diameter of 90-150 mm on THAT 14-1-3111-81. Normalization at 920-950 °C + Vacation at 700-730 °C (aging of 1.0 h) (longitudinal samples) | ||||||
| ≥265 | ≥441 | ≥20 | ≥45 | ≥980 | - | |
| Seamless hot deformed tubes, heat-treated in the delivery condition according to GOST 550-75 | ||||||
| ≥265 | ≥441 | ≥20 | ≥45 | ≥980 | ≤227 | |
| Name | Description |
|---|---|
| Name | Description |
| sT|s0,2 | Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σU | Limit short-term strength |
| d5 | Elongation after rupture |
| y | The relative narrowing |
| KCU | Toughness |
| HB | Brinell hardness number |
