20FA (20F)
For the manufacture of cold-resistant and corrosion-resistant seamless tubes for low pressure pipeline
For the manufacture of cold-resistant and corrosion-resistant seamless tubes for low pressure pipeline
Standard | Si, % | Mn, % | Cr, % | Cu, % | Ni, % | V, % | Al, % | P, % | C, % | S, % |
---|---|---|---|---|---|---|---|---|---|---|
TU 14-158-114-99 | 0.17–0.37 | 0.6–0.75 | < 0.4 | < 0.25 | < 0.25 | 0.02–0.05 | 0.03–0.05 | < 0.015 | 0.18–0.23 | < 0.02 |
Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{Y}$$, $$MPa$$ | d5, % | Treatment |
---|---|---|---|---|---|---|---|---|
Pipes are hot deformed. | TU 14-158-114-99 | 502–627 | 338–470 | 25 |
Standard | Description |
---|---|
TU 14-158-114-99 |