En
 
Ru
TUBING
Tubing is designed for use as a part of pump and compressor units. Such units are used in oil-producing industry as well as in liquid sulfur recovery method. Tubing is designed for running directly into wells. Tubing ensures lifting of the produced fluid.
GOST 31446-2017
Steel grade: H40, J55, N80 type 1, N80 type Q, L80 type 1, R95, C90, T95, P110, Q125.

Length:
  • R1 (6,10-7,32 m) by agreement max. 8,53 m;
  • R2 (8,53-9,75 m) by agreement max. 10,36 m;
  • R3 (11,58-12,80 m) by agreement max. 13,72 m.

Thread:
  • NU (rounded triangular thread);
  • EU (rounded triangular thread with upset ends);
  • НКТ (rounded triangular thread);
  • НКТВ (rounded triangular thread with upset ends).

Note:
The following designations of end finish types are used in this table : P - plain end; N –non-upset threaded and coupled for HU connection; U - external upset threaded and coupled for EU connection; H – for NKTV connection (rounded V-thread); K – for NKT connection
GOST 633-80
Steel grade: Д, К, Е, Л, М, Р;

Thread connection type:: rounded V-thread para 2.13;

Type of end finish: plain end and external upset — В;

Make: А, Б.

Plain pipes with couplings. Dimensions, mm
Pipes with external upset ends with couplings. Dimensions, mm
API 5CT
Steel grade: H40, J55, N80 type 1, N80 type Q, L80 type 1, R95, C90, T95, P110, Q125;

Type of end finish: with rounded V-thread with plain ends and external upset ends;

Make: PSL-1, PSL-2, PSL-3.