Types of produced pipes Standard Steel grade/ grade
Carbon and low alloyed pipes for mechanical engineering (including for further downstrean cold re-drawing) OD 21,3 – 168,3 mm, wall thickness 2,3 – 24,0 mm. By GOST 8731/8732, GOST 23270, DIN 2440, DIN EN 10255, DIN EN 10210-1/2, DIN EN 10216-1, DIN 1629, DIN 17175, DIN EN 10208-1/2, DIN EN 10297, ASTM A53, ASTM A106. Steel grades: S355J2H, S355J0H, S355JRH, Е355, S235JRH, E235, St52.0, St37.0, St44.0, S195T, S275J0H, S275J2H, Е275, P235TR1, P235TR2, P265TR1, P265TR2, E590K2, 20, 10, 35, 40, 45, 40H, 45H, S460NH, E470, 1026, B, C.
OCTG pipes without thread and without coupling, OD 48,3 – 168,3 mm and wall thickness 3,91 – 21,95 mm. By API 5 L (46th revision) of quality level PSL1 and PSL2. Steel grades: В (L245), Х42(L290), ВR(L245R), Х42R (L290R), BN(L245N), Х42N(L290N), X52N (L360N), X52 (L360), Х65Q (L450Q).
Plain end (no thread) pipe for production of casing, tubing and drill pipe, OD 60,3 – 168,3 mm, wall thickness 4,83 – 10,54 mm. Bare pipes for production of connecting coupling, OD 66,7 – 168,3 mm and wall thickness 8,0 – 22,0 mm. by API 5CT (10th revision) quality level PSL 1 - N80 (type 1), J55, H40, N80Q with a right to apply monogram. L80, Р110, S95 without monogram application. GOST 633, GOST 632, GOST 631- groups D, K, E, L, M, R. GOST R 31446 - groups H40, J55, K55, L80 type 1, N80 type1, N80Q, P110. Steel grades: 32G2, 32G2A, 35G2F, 36G2S, 30HMA.
Pipes for steam boilers and pipelines Ø32,0 – 168,3 mm of wall thickness 3,2 – 19,0 mm. by DIN EN 10216-2/3, DIN EN 10210-2. Steel grades: P195GH-TC1, P235GH-TC1, P265GH-TC1, 16Mo3, P460NH, Р355NH.
Seamless hot deformed steel pipes, specifications Ø 60,0– 114,0 mm of wall thickness 4,0 – 16,0 mm and diameter 127,0– 273,0 mm of wall thickness 6,0 – 40,0 mm GOST 8731-74/GOST 8732-78 Steel grades: 10, 20, 35, 45, 30G1 and other low alloyed steel grades.
Specifications for line pipe Ø60,0– 114,0 mm of wall thickness4,0 – 16,0 mm and diameter 127,0– 273,0 mm of wall thickness6,0 – 40,0 mm API Spec. 5L, (46th revision) Grades : L245 (В), L290 (Х42), L320 (Х46), L360 (Х52), L390 (Х56), L415 (Х60), L450 (Х65), L485 (Х70), L555 (Х80), L690 (Х100)
Seamless steel pipes for oil refining and petrochemical industry diameter 60,0– 114,0 mm of wall thickness4,0 – 16,0 mm and diameter 127,0– 273,0 mm of wall thickness6,0 – 40,0 mm GOST 550-75 Steel grades: 10, 20, 10G2 and other low alloyed and alloyed steel grades.
Seamless hot deformed steel pipes Ø60,0– 114,0 mm of wall thickness 4,0 – 16,0 mm and diameter 127,0– 273,0 mm of wall thickness6,0 – 40,0 mm GOST 32528-2013 Steel grades: 10, 20, 35, 45, 09G2S, 30G2, 10H, 20H, 30HMA and other low alloyed/ alloyed steel grades. Groups A, B, V, G, D
Seamless hot deformed steel pipes for oil and gas pipelines from microalloyed steel 13HFA Ø60,0– 273,0 mm of wall thickness4,0 – 32,0 mm Technical conditions 1317-005-96380705-2009 Steel grade 13HFA
Seamless hot deformed steel pipes for gas pipelines, gas-lift systems and arrangement of gas fields, seamless cold-resistant steel pipes for gas pipelines, gas lift systems, oil production and arrangement of gas fields Technical conditions 14-3-1128-2000, Technical conditions 14-3Р-1128-2007 Steel grade: st.10, st.20, 10G2A, 09G2S
Seamless hydrogen resistant pipes. Technical conditions Ø245,0– 273,0 mm of wall thickness 4,0 – 25,0 mm Technical conditions 14-3Р-77-2004 Steel grade st.20, 12GF grade I, II
Seamless hot rolled heavy wall thickness steel pipes from cast ingot Ø245,0– 273,0 mm of wall thickness16,0 – 36,0 mm Technical conditions 14-3Р-50-2001 Steel grades: st2sp, st5sp, st6sp, 38HA, 40H, 10, 20, 35, 45 grades A and V.
Seamless hot deformed steel pipes, cold resistant for gas pipelines and oil pipelines, gas lift systems and arrangement of oil and gas fields Ø60,0– 273,0 mm of wall thickness 4,0 –30,0 mm Technical conditions 24.20.13.110-001-070140004107-2020 Grades K42 (H42), K48, K52 (H56), H60, K56 (H65), K60 (H70)
Casing and tubing Ø114,3 – 273,05 mm of wall thickness 5,21 – 22,22 mm, coupling diameter 63,5 – 269,88 mm of wall thickness 4,0 –40,0 mm API Spec 5CT, (10th revision).PSL1, РSL2, PSL3 Grades: Н40; J55, K55, N80 type 1 and Q; L80 type 1; R95; S90; Т95; S110; Р110; Q125. Type of ends finishing: plain, casing with buttress thread SC and LC, tubing with a round thread NU, EU
Casing and coupling for them. Specifications Ø114,0 – 245,0 mm of wall thickness 5,2 – 15,9 mm. GOST 632-80 Grade: D, K, E, L, M, R. Type of thread connection: casing triangular coupling, casing trapezoid leaktight, short triangle and elongated triangle. Make: A, B
Steel casing and tubing for oil and gas industry Ø101,6 – 273,05 mm of wall thickness 5,21 – 22,22 mm, coupling diameter 63,5 – 269,88 mm of wall thickness 4,0 –40,0 mm GOST 31446-2017. PSL1, РSL2, PSL3 Grades : Н40; J55; K55; K72; М65; L80 type 1; N80 types 1 and Q; R95; C90, Т95; S110, P110, Q125, Q135. Type of ends finishing: NU and tubing with rounded triangle thread, EU and tubing with rounded triangle thread and upset ends Casing - plain, with buttress thread, LC, SC, casing triangular coupling, casing trapezoid leaktight
Tubing and coupling for them. Specifications Ø60,0 – 114,0 mm of wall thickness 5,0 – 7,0 mm GOST 633-80 Grade: D, K, E, L, M, R. Type of thread connection: round item 2.13 GOST 633-80. Types of ends finishing: with plain ends and with upset ends - В. Make: A, B
Casing and tubing. Specifications Ø60,32 – 114,3 mm of wall thickness 4,24 –16,0 mm API Spec 5CT, (10th revision).PSL1, РSL2, PSL3 Grades: Н40; J55, K55, N80 type 1 and Q; L80 type 1; R95; S90; Т95; S110; Р110; Q125. Type of ends finishing: plain, casing with buttress thread SC and LC, tubing with a round thread NU, EU
Steel casing and tubing for oil and gas industry Ø60,32 – 114,3 mm of wall thickness 4,24 –16,0 mm, coupling diameter 63,5 – 269,88 mm of wall thickness 4,0 –40,0 mm GOST 31446-2017. PSL1, РSL2, PSL3 Grades : Н40; J55; K55; K72; М65; L80 type 1; N80 types 1 and Q; R95; C90, Т95; S110, P110, Q125, Q135. Type of ends finishing: NU and tubing with rounded triangle thread, EU and upset tubing with rounded triangle thread and upset ends Casing - plain, with buttress thread, LC, SC, casing triangular coupling, casing trapezoid leaktightness
Seamless tubing, hydrogen sulphide cold resistant couplings for them Ø60,0 – 114,0 mm of wall thickness 5,0 – 7,0 mm Technical conditions 1308-006-96380705-2009 Steel grade 30F, 25HMFA. Grade Ks. Es. Ls. Type of ends finishing : with plain ends and with upset ends
Seamless steel pipes for steam boilers and pipelines Ø60,0– 273,0 mm of wall thickness 4,0 – 25,0 mm Technical conditions 14-3Р-55-2001 Steel grade st.20, st.12H1MF, st.15GS