16G2SF
For the manufacture of welded longitudinal gas pipes for main gas and oil pipelines.
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Structural steel | Low alloy structural steel for welded structures |
Chemical composition
| Standard | Fe, % | Mn, % | Cr, % | Cu, % | Ni, % | V, % | P, % | C, % | S, % | N, % |
|---|---|---|---|---|---|---|---|---|---|---|
| TU 14-1-1921-76 | 98.25–98.8 | 0.4–0.6 | < 0.3 | < 0.3 | < 0.3 | 0.06–0.1 | < 0.035 | 0.14–0.19 | < 0.035 | < 0.018 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{Y}$$, $$MPa$$ | $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ | d5, % | Treatment |
|---|---|---|---|---|---|---|---|---|---|
| Sheet | TU 14-1-1921-76 | 540 | 375 | 490 | 23 |
Standards
| Standard | Description |
|---|---|
| TU 14-1-1921-76 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Cu | % | Copper |
| Ni | % | Nickel |
| V | % | Vanadium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| 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 |
| $$KCU\cdot 10^{3}$$ | $$\frac{J}{m^2}$$ | Impact toughness |