Steel drill pipe with welded tool joints and internally upset ends, intended for drilling and operation of oil and gas wells. Manufactured to GOST 32696-2014 (ISO 11961:2008) in strength group E-75. Pipe body diameter 127 mm, wall thickness 9.19 mm, tool joint diameter agreed individually (typically NC-50). Supplied at PSL-1, PSL-2 or PSL-3 requirement level. Used as part of the drill string for rotary and turbine drilling at depths up to 4500 m.
Technical specifications
| Standard | 32696-2014 (ISO 11961:2008) |
| Diameter (mm) | 127 |
| Wall thickness (mm) | 9.19 |
| Steel grade | Grade E-75 |
| Length (m) | 9-9.5 (range R2) |
| Coating | thread phosphating; internal plastic tool-joint protector |