12GSB
Production of electric welded longitudinal pipes of strength group K52 for main gas pipelines, oil pipelines and oil product pipelines.
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Structural steel | Low alloy structural steel for welded structures |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Ti, % | Cu, % | Ni, % | Al, % | P, % | C, % | S, % | Nb, % | N, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TU 14-3-1573-96 | 97.5–98.1 | 0.25–0.5 | 1.1–1.6 | < 0.3 | 0.005–0.02 | < 0.3 | < 0.3 | 0.01–0.06 | < 0.025 | 0.1–0.14 | < 0.02 | < 0.03 | < 0.012 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{Y}$$, $$MPa$$ | d5, % | Treatment |
|---|---|---|---|---|---|---|---|---|
| Trumpet | TU 14-3-1573-96 | 510 | 350 | 20 |
Standards
| Standard | Description |
|---|---|
| TU 14-3-1573-96 | TU |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Ti | % | Titan |
| Cu | % | Copper |
| Ni | % | Nickel |
| Al | % | Aluminium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| Nb | % | Niobium |
| N | % | Nitrogen |
Description of mechanical properties
| Parameter | Units of measurement | Description |
|---|---|---|
| d5 | % | Elongation at break |
| $$\sigma_{Y}$$ | $$MPa$$ | Yield strength |
| $$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |