Steel casing pipe used for reinforcing the walls of oil and gas wells and for isolation of producing zones. Manufactured to GOST 632-80, diameter 168.3 mm, wall thickness 8.9 mm, strength group D (yield strength not less than 379 MPa). Connection — triangular thread with coupling; tightness is provided by thread compound. Length 9.5-13 m. On customer request, supply is available in strength groups K, E, L, M, R, T, as well as with high-pressure-tight premium threaded connections.
Technical specifications
| Standard | 632-80 |
| Diameter (mm) | 168.3 |
| Wall thickness (mm) | 8.9 |
| Steel grade | Grade D |
| Length (m) | 9.5-13 |
| Coating | uncoated; coupled triangular-thread joint |