09G2FB
Alloy steel.
Production of electrically welded longitudinal pipes of strength group K56 for gas pipelines, oil pipelines and oil pipelines.
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Structural steel | Low alloy structural steel for welded structures |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Cu, % | Ni, % | V, % | As, % | P, % | C, % | S, % | Nb, % | N, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 19281-2014 | 97.8–98.3 | 0.15–0.35 | 1.5–1.7 | < 0.3 | < 0.3 | < 0.3 | 0.05–0.09 | < 0.08 | < 0.03 | 0.08–0.13 | < 0.035 | 0.02–0.05 | < 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 | 550 | 430 | 20 |
Standards
| Standard | Description |
|---|---|
| GOST 19281-2014 | GOST |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Cu | % | Copper |
| Ni | % | Nickel |
| V | % | Vanadium |
| As | % | Arsenic |
| 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 |