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COUPLINGS FOR OIL&GAS INDUSTRY
Interpipe is global producer of steel pipes and railway wheels. The company’s products are marketed in more than 80 countries around the world through a network of sales offices located in key markets of the CIS, the Middle East, North America, and Europe.
In 2014 the company’s mills produced more than 850 thousand tons of pipe products.
Interpipe has a vertically integrated business structure which includes 5 high efficient mills. Such structure allows controlling product quality at every stage: from steel production to delivery of final products to customers.
Interpipe has years of production experience of seamless casing and tubing pipes for exploration of oil and gas wells all over the world, including Europe, CIS and Russia, Middle East, North and South America and North Africa.
Interpipe products are certificated in compliance with major international standards API 5CT, API 5L, EN (DIN), ASTM, JIS, GOST and customer specifications, ISO 9001 and API Q1.
INTERPIPE HAS A VERTICALLY INTEGRATED BUSINESS STRUCTURE
INTERPIPE – GLOBAL STEEL PIPE PRODUCER
SCRAP PROCESSING
SELLING TO CUSTOMER GLOBALLY – KEY MARKETS
QUALITY IN FOCUS
STEEL PRODUCTION PIPE AND WHEEL PRODUCTION
Interpipe Vtormet Interpipe Steel Interpipe NTRP Dnepropetrovsk, Ukraine
Interpipe Niko Tube Nikopol, Ukraine
Scrap Metal Processing Plant Modern electric steel melting complex
North American Interpipe
Interpipe Middle East
Interpipe Ukraine
Interpipe Europe SA
Interpipe М Russia
Interpipe Central Trade GmbH Germany
Interpipe NMPP Novomoskovsk, Ukraine
API 5 СТ Technical specifications for standard couplings
INTERPIPE COUPLINGS FOR OCTG PIPES
Sizes and masses of standard couplings for pipes SC
Sizes and masses of standard couplings for pipes LC
Sizes and masses of standard couplings for pipes NU*
Sizes and masses of standard couplings for pipes EU*
Sizes and masses of special couplings for pipes EU*
*Note: according to the customer’s requirements for tubing can be shipped couplings with special bevel at an angle of 20°
*Note: according to the customer’s requirements standard couplings can have special bevels at an angle of 20° on the both ends.
*Note: according to the customer’s requirements for tubing can be shipped couplings with special bevel at an angle of 20°
Pipe size designation Pipe wall thickness,
mm
Outside diameter of
coupling, W, mm
Length of coupling, NL, mm Weight,
kg
Steel grade
Designation 1
Designation 2 min H40 J55,
К55L80
(Type 1)N80
(Type 1, Type Q) P110 Q125
4-1/2
9.50 5,21
127,00 159,00 3,62
х х - - - -
10.50 5,69 - х х - - -
11.60 6,35 - х х - - -
Pipe size designation Pipe wall thickness,
mm
Outside diameter of
coupling, W, mm
Length of coupling, NL, mm
Weight,kg
Steel grade
Designation 1
Designation 2 min H40 J55 L80
(Type 1)N80
(Type 1,Type Q) P110 Q125
4-1/2
11.60 6,35
127,00 178,00 4,15
- х х х х -
13.50 7,37 - - х х х -
15.10 8,56 - - - - х х
Pipe size designation Pipe wall thickness,
mm
Outside diameter of
coupling, W, mm
Length of coupling, NL,
mmWeight,
kgSteel grade
Designation 1
Designation 2 min H40 J55,
К55N80
(Type 1)N80
(Type 1)N80
(Type Q) P110
2-3/8
4.00 4,24
73,02 108,00 1,28
х х х х х -
4.60 4,83 х х х х х х
5.80 6,45 - - х х х х
2-7/8
6.40 5,51
88,90 131,00 2,34
х х х х х х
7.80 7,01 - - х х х х
8.60 7,82 - - х х х х
3-1/2
7.70 5,49
107,95 143,00 3,71
х х х х х -
9.20 6,45 х х х х х х
10.20 7,34 х х х х х -
4 9.50 5,74 120,65 147,00 4,35 х х х х х -
4-1/2 12.60 6,88 132,08 156,00 4,89 х х х х х х
Pipe size designation Pipe wall thickness,
mm
Outside diameter of
coupling, W, mm
Length of coupling, NL, mm
Weight,kg
Steel grade
Designation 1
Designation 2 min H40 J55,
К55N80
(Type 1)N80
(Type 1)N80
(Type Q) P110
2-3/84.70 4,83
77,80 124,00 1,55х х х х х х
5.95 6,45 - - х х х х
2-7/8
6.50 5,51
93,17 134,00 2,40
х х х х х х
7.90 7,01 - - х х х х
8.70 7,82 - - х х х х
3-1/2 9.30 6,45 114,30 147,00 4,10 х х х х х х
Pipe size designation Pipe wall thickness,
mm
Outside diameter of
coupling, W, mm
Length of coupling, NL, mm
Weight,kg
Steel grade
Designation 1
Designation 2 min H40 J55,
К55N80
(Type 1)N80
(Type 1)N80
(Type Q) P110
2-3/84.70 4,83
73,91 124,00 1,07х х х х х х
5.95 6,45 - - х х х х
2-7/8
6.50 5,51
87,88 134,00 1,55
х х х х х х
7.90 7,01 - - х х х х
8.70 7,82 - - х х х х
3-1/2 9.30 6,45 106,17 147,00 2,38 х х х х х х
Sizes of fittings for casing and core tubes
Pipe Coupling
Steel gradeNominal diameter,
mm
Wall thickness, s,
mm
Outside diameter, Dm, mm
Length, Lm, mm
Weight, kg
60 5,0 73,0 110 1,3 Д, К, Е
735,5
88,9 132 2,4
Д, К, Е, Л, М7,0
89 6,5 108,0 146 3,6
114 7,0 132,1 156 5,1
UPJ connection for the premium OCTG segment according to API 5CT/ISO 11960
GOST 633-80 Technical specifications for tubing coupling
Sizes of couplings with connection NU Sizes of couplings with connection EU
Sizes of couplings with gas tight connection
Sizes and masses of casing tubes with UPJ connection according to API 5CT from steel grade L80 (Type 1)
Sizes and masses of tubing couplings for pipes with UPJ connection with steel grade N80 (Type 1 и Type Q), L80 (Type 1), Р110
Pipe Coupling
Steel gradeNominal diameter,
mm
Wall thickness, s,
mm
Outside diameter, Dm,
mm
Length, Lm, mm
Weight, kg
60 5,0 77,8 126 1,5
Д, К, Е, Л, М73
5,593,2 134 2,8
7,0
896,5
114,3 146 4,28,0
Pipe CouplingSteel grade
Nominal diameter, mm Wall thickness, s, mm Outside diameter, Dm, mm Length, Lm, mm Weight, kg
60 5,0 73,0 135 1,8
Д, К, Е735,5
88,9 135 2,57,0
89 6,5 108,0 155 4,1
DesignationPipe wall thick-
ness, S, mm
Coupling
1 2Outside diameter, Wi, mm Length,
Lm, mmWeight with outside diameter, Wі, kg
Standard Special АPI 5CT Standard Special АPI 5CT
2-3/8 4.60 4,83 68,5 66,5 73,02 125 1,03 0,82 1,52
2-7/86.40 5,51 81,2 80,0
88,90 1411,43 1,26
2,567.80 7,01 84,5 82,9 1,90 1,67
3-1/2
7.70 5,49 96,6 -
107,95 165
1,96 - 4,33
9.20 6,45 98,1 96,6 2,25 1,95 4,31
10.20 7,34 99,5 98,1 2,54 2,26 4,33
12.70 9,52 102,5 100,8 3,17 2,82 4,34
4 9.50 5,74 109,9 - 120,65 179 2,60 - 5,34
4-1/212.60 6,88 123,5 122,0
132,08 1993,58 3,12
6,277,37 126,0 122,0 3,12
Designation
Pipe wall thick-ness, f, mm
Coupling
Designation 1 Designation 2
Outside diameterTotal length, NL±3, mm
Weight
Standard, W, mm
Special, Wс, mm
Strengthened, Wу, mm Standard, kg Special, kg Strengthened,
kg
5 15.00 7,52 141,3 136,9 146,0 231,0 6,00 4,27 7,90
Standard
Pipe, mm Fitting, mm
Steel gradeOutside diameter, D Wall thickness, S Outside diameter, D1 Length, L1 Theoretical weight, kg
nom. nom.
TU 14-3-1918
57 4,5 57
170
1,0
А, Б, В, Д, К, Е, Л
73
5,0
73 1,3
89 89 1,7
108 108 2,4
127 127 2,6
146 146 2,8
GOST 6238
73
5,0
73
170
1,3
Д, К
89 89 1,7
108 108 2,4
127 127 2,6
146 146 2,8
TU 14-3-1918 and GOST 6238
TU U 27.2-8-94 and GOST 632 Sizes of couplings for casing pipes with buttress thread (OTTM)
GOST R 53366-2009 and GOST R 53365-2009
Sizes and masses of couplings for tubing pipes with NU
Sizes and masses of couplings for tubing pipes with EU
GOST 7909, TU 14-3-1919, TU U 322-8-16
Sizes of coupling for drilling pipes
Note: 1. In the case when outside diameter of implementation A and B differs, the number for B are given in brackets.
2. Coupling with reduced outside diameter produces only with implementation A.
Standard
PipeCoupling Steel grade
Outside diameter, Dм, mm
Length, Lm, mm
Weight, kgImplementa-
tion АImplementa-
tion BNominal diame-ter, mm
Wall thickness, s, mm Reduced Normal Reduced Normal
TU U 27.2-8-94102
6,5110 114
190 3,34,4
Д, Е -110 117 120 4,1
GOST 632 114
6,4
123,8 127,0 (133,0) 170 3,0 4,0 (5,6) Д, Е, Л, М
-
7,4Д, К, Е, Л, М
8,6
Pipe Coupling Steel grade
Outside diam-eter, D, mm
Wall thick-ness, t, mm
Outside diameter, Dm, mm
Length, Lm, mm
Nominal weight, kg J55 K72 N80
Type 1N80
Type QL80
Type 1 P110
60,32 5,00 73,00 110,00 1,30 х х х х х -
73,025,51
88,90 132,00 2,40 х х х х х х7,01
88,90 6,45 108,00 146,00 3,60 х х х х х х
114,30 7,00 132,10 156,00 5,10 х х х х х х
Pipe Coupling Steel grade
Outside diam-eter, D, mm
Wall thick-ness, t, mm
Outside diameter, Dm, mm
Length, Lm, mm
Nominal weight, kg J55 K72 N80
Type 1N80
Type QL80
Type 1 P110
60,32 5,00 77,80 126,00 1,50 х х х х х х
73,025,51
93,20 134,00 2,80 х х х х х х7,01
88,90 6,45 114,30 146,00 4,20 х х х х х х
Pipe CouplingSteel grade
Outside diameter, D, mm Wall thickness, t, mm Outside diameter, Dm, mm Length, Lm, mm
42,0 5,00 57,00 130
Д, К, Е50,0 5,51 65,00 140
57,0 5,00 70,00 165
63,5 6,50 83,00 150
73,0 5,0; 6,0; 7,0; 9,0 95,00 166 Д, К, Е, Л
GOST 632, TU 14-3-1853-92, TP 1608-2004 and TU U 27.2-05757883-145:2006 Sizes, masses and limits of couplings for casing pipes with short and longish triangular thread
Sizes, masses and limits of couplings for casing pipes with buttress thread (OTTM)
Sizes, masses and limits of couplings for casing pipes with buttress thread (OTTГ-BSCG)
Nominal pipe
diameter
Coupling outside diameter DN, mm Coupling length LM, mm Inside thread
diameter in flat surface of coupling
edge d3*, mm
Average diameter
of thread in base plane dav*, mm
Diameter of cylindrical groove do, mm Width of
flat surface of coupling edge Вmin
Coupling weight, kg
With short thread
With longish thread
With short thread
With longish thread Nominal Pre-fluctu-
ationWith short
threadWith longish
thread
1 2 3 4 5 6 7 8 9 10 11 12
127 141,3 141,3 165,0 196,0 123,930 125,266 129,4
+0,8
4,0 4,6 5,7
140 153,7 153,7 171,0 203,0 136,630 137,966 142,1 3,5 5,2 6,4
146 166,0 166,0 177,0 215,0 142,980 144,316 148,4 6,5 8,0 9,7
168 187,7 187,7 181,0 222,0 165,205 166,541 170,7 6,0 9,1 11,3
178 194,5 194,5 184,0 228,0 174,730 176,066 180,2 4,5 8,3 12,4
194 215,9 215,9 190,0 235,0 190,512 191,941 196,1 7,5 12,2 15,5
219 244,5 244,5 196,0 254,0 215,912 217,341 221,5
+1,5
8,5
16,2 21,5
245 269,9 269,9 196,0 266,0 241,312 242,741 246,9 17,9 25,3
273 298,5 - 203,0 - 269,887 271,316 275,5 20,7 -
299 323,9 - 203,0 - 295,287 296,716 300,9 22,5 -
324 351,0 - 203,0 - 320,687 322,116 326,3 9,0 23,4 -
340 365,1 - 203,0 - 336,562 337,991 342,1 8,5 25,5 -
Nominal pipe diame-
ter, mm
Coupling outside diameter, mm Coupling length LM, mm Inside thread
diameter in flat surface of coupling
edge dins*, mm
Inside diameter
of thread in base plane d3*, mm
Bevel diameter in flat surface of coupling
edge do (Pre-fluc-
tuation +1), mm
Thread length with full profile l1
min, mm
Width of flat surface of coupling edge Вmin
Coupling weight, kg
NormalDN
Special Ds Normal Special Normal Special
1 2 3 4 5 6 7 8 9 10 11 12
127 141,3 136,5 174,0 174,0 123,800 124,925 129,2 78,0 4,0 4,8 3,3
140 153,7 149,2 182,0 182,0 136,500 137,625 141,9 82,0 3,5 5,3 4,1
146 166,0 156,0 182,0 182,0 142,850 143,975 148,3 82,0 6,5 7,9 4,4
168 187,7 177,8 190,0 190,0 165,075 166,200 170,5 86,0 6,0 9,5 4,8
178 194,5 187,3 198,0 198,0 174,600 175,725 180,0 90,0 4,5 8,6 5,3
194 215,9 206,4 206,0 206,0 190,475 191,600 195,9 94,0 7,5 13,4 8,0
219 244,5 231,8 218,0 218,0 215,875 217,000 221,3 100,09,0
18,0 9,6
245 269,9 257,2 218,0 218,0 241,275 242,400 246,7 100,0 19,9 10,7
273 298,5 285,8 218,0 218,0 269,850 270,975 275,3 100,08,5
22,2 12,0
299 323,9 - 218,0 - 295,250 296,375 300,7 100,0 24,1 -
324 351,0 - 218,0 - 320,650 321,775 326,1 100,0 9,5 25,1 -
340 365,1 - 218,0 - 336,525 337,650 342,0 100,0 8,5 27,3 -
Nominal pipe
diameter, mm
Coupling outside diameter, mm
Coupling length
LM, mm
Inside thread
diameter in flat
surface of
coupling edge
dins*, mm
Diameter of seal taper boring dseal*,
mm
Distance from
edge to proof
legde L1 (Pre-fluc-
tuation +1), mm
Distance from
edge to proof plane
l1*, mm
Length of threaded cone l2
(Pre-fluc-tuation
+1), mm
Inside diameter of thread in base plane
d3*, mm
Bevel diameter
in flat surface
of coupling edge do
(Pre-fluc-tuation
+1), mm
Thread length
with full profile l3 min,
mm
Width of flat sur-face of
coupling edge Вmin
Coupling weight, kg
NormalDN
Special Ds Normal Special
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
127 141,3 136,5 210,0 123,800 119,000 98,0 90,0 84,0 125,175 129,2 74,0 4,0
140 153,7 149,2 218,0 136,500 131,450 102,0 94,0 88,0 137,875 141,9 78,0 3,5 7,0 5,0
146 166,0 156,0 218,0 142,850 137,800 102,0 94,0 88,0 144,225 148,3 78,0 6,5 9,5 5,2
168 187,7 177,8 225,0 165,075 159,775 106,0 98,0 92,0 166,450 170,5 82,0 6,0 11,3 6,2
178 194,5 187,3 234,0 174,600 169,050 110,0 102,0 95,0 175,975 180,0 86,0 4,5 10,6 6,8
194 215,9 206,4 242,0 190,475 184,675 114,0 106,0 100,0 191,850 195,9 90,0 7,5 15,7 9,4
219 244,5 231,8 254,0 215,875 209,700 120,0 112,0 106,0 217,250 221,3 96,09,0
21,6 11,9
245 269,9 257,2 254,0 241,275 235,100 120,0 112,0 106,0 242,650 246,7 96,0 23,9 13,2
273 298,5 285,8 254,0 269,850 263,675 120,0 112,0 106,0 271,225 275,3 96,0 8,5 26,7 14,6
Pipe outside diam-eter D
Coupling outside diameter W
Coupling minimal length NL Counter boring depth q Diameter of cylindrical
groove Q Width of edge b Mass
inches mm inches mm inches mm inches mm inches mm inches mm pounds kg
1 2 3 4 5 6 7 8 9 10 11 12 13 14
5 127,00 5,563 141,30 6 1/2 165,1 0,500 12,70 5,094 129,38 3/16 4,76 10,27 4,66
5 1/2 139,70 6,050 153,7 6 3/4 171,4 0,500 12,70 5,594 142,08 3/16 3,18 11,5 5,23
6 5/8 168,28 7,389 187,7 7 1/4 184,2 0,500 12,70 6,719 170,66 1/4 6,35 20,1 9,12
7 177,80 7,656 194,5 7 1/4 184,2 0,500 12,70 7,094 180,18 3/16 4,76 18,5 8,39
7 5/8 193,68 8,500 215,9 7 1/2 190,5 0,433 11,00 7,781 197,64 7/32 5,56 27,2 12,3
8 5/8 219,08 9,625 244,5 7 3/4 196,9 0,433 11,00 8,781 223,04 1/4 6,35 35,8 16,23
9 5/8 244,46 10,625 269,9 7 3/4 196,9 0,433 11,00 9,781 248,44 1/4 6,35 39,8 18,03
10 3/4 273,05 11,750 298,5 8 203,2 0,433 11,00 10, 906 277,02 1/4 6,35 45,7 20,78
11 3/4 298,45 12,750 323,9 8 203,2 0,433 11,00 11,906 302,42 1/4 6,35 49,9 22,64
13 3/8 339,73 14,375 365,1 8 203,2 0,433 11,00 13,531 343,69 1/4 5,56 56,6 25,66
Sizes, masses and limits of couplings for casing pipes with short round thread API Round (LC)
Sizes, masses and limits of couplings for casing pipes with longish round thread
Sizes, masses and limits of couplings for casing pipes with thread “Buttress”
АРІ Spec. 5СТ, АРІ Spec. 5В, TP 1608-2004 and TU U 14-8-8-98
Pipe outside diam-eter D
Coupling outside diameter W
Coupling minimal length NL Counter boring depth q Diameter of cylindrical
groove Q Width of edge b Mass
inches mm inches mm inches mm inches mm inches mm inches mm pounds kg
1 2 3 4 5 6 7 8 9 10 11 12 13 14
5 127,00 5,563 141,30 7-3/4 196,85 0,500 12,7 5,094 129,38 3/16 4,76 12,68 5,75
5 1/2 139,70 6,050 153,7 8 203,2 0,500 12,7 5,594 142,08 3/16 3,18 14,2 6,42
6 5/8 168,28 7,389 187,7 8-3/4 222,3 0,500 12,7 6,719 170,66 1/4 6,35 25,0 11,34
7 177,80 7,656 194,5 9 228,6 0,500 12,7 7,094 180,18 3/16 4,76 23,9 10,83
7 5/8 193,68 8,500 215,9 9-1/4 235,0 0,433 11,0 7,781 197,64 7/32 5,56 34,4 15,63
8 5/8 219,08 9,625 244,5 10 254,0 0,433 11,0 8,781 223,04 1/4 6,35 47,7 21,67
9 5/8 244,46 10,625 269,9 10-1/2 266,7 0,433 11,0 9,781 248,44 1/4 6,35 56,2 25,45
10 3/4 273,05 11,750 298,5 8 203,2 0,433 11,00 10, 906 277,02 1/4 6,35 45,7 20,78
11 3/4 298,45 12,750 323,9 8 203,2 0,433 11,00 11,906 302,42 1/4 6,35 49,9 22,64
13 3/8 339,73 14,375 365,1 8 203,2 0,433 11,00 13,531 343,69 1/4 5,56 56,6 25,66
Pipe outside diameter D
Coupling outside diameterCoupling minimal
length NL
Bevel diameter in flat surface of coupling edge Q
Width of edge b
Mass
Standard coupling W Special coupling Ws Standard coupling Special coupling
inches mm inches mm inches mm inches mm inches mm inches mm pounds kg pounds kg
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
5 127,0 5,563 141,3 5,375 136,52 9-1/8 231,78 5,140 130,56 5/32 3,97 13,00 5,85 8,82 4,00
5 1/2 139,70 6,050 153,67 6-3/4 149,22 9-1/4 234,95 5,640 143,26 5/32 3,97 14,15 6,36 9,85 4,47
5 3/4 146,10 6,535 166,0 6,142 156,0 9-1/3 237,0 5,890 149,61 1/4 6,4 21,40 9,7 10,80 4,9
6 5/8 168,28 7,389 187,71 7,000 177,80 9-5/8 244,48 6,765 171,83 1/4 6,35 24,49 11,01 12,46 5,65
7 177,80 7,656 194,46 7,375 187,32 10 254,00 7,140 181,36 7/32 5,56 23,24 10,54 13,84 6,28
7 5/8 193,68 8,500 215,90 8,125 206,38 10-3/8 263,52 7,765 197,23 5/16 7,94 34,88 15,82 20,47 9,29
8 5/8 219,08 9,625 244,48 9,125 231,8 10-5/8 269,88 8,765 222,63 3/8 9,52 45,99 20,86 23,80 10,80
9 5/8 244,48 10,625 269,88 10,125 257,18 10-5/8 269,88 9,765 248,03 3/8 9,52 51,05 23,16 26,49 12,02
10 3/4 273,05 11,750 298,45 11,250 285,75 10-5/8 269,88 10,890 276,61 3/8 9,52 56,74 25,74 29,52 13,39
11 3/4 298,45 12,750 323,85 - - 10-5/8 269,88 11,890 302,01 3/8 9,52 61,80 28,03 - -
13 3/8 339,72 14,375 365,12 - - 10-5/8 269,88 13,515 343,28 3/8 9,52 70,03 31,77 - -
Interpipe Europe SAVia San Salvatore 13 - P.O. Box 745CH-6902 Paradiso - Lugano, SwitzerlandTel.: +41 91 261 39 00Fax: +41 91 261 39 01E-mail: [email protected]
Interpipe Central Trade GmbHCorneliusstrasse 34,60325 Frankfurt am Main, GermanyTel.: +49 69 505025850 Interpipe Middle EastOffice №: LB191008, P.O. Box 262810,Jebel Ali, Dubai - UAETel.: +971 4 885 7411Fax: +971 4 885 7412E-mail: [email protected] North American Interpipe1800 West Loop South, Suite 1350, Houston, Texas, 77027 - USATel.: +1 713 333 0333Fax: +1 713 333 0330E-mail: [email protected] Interpipe М10, Presnenskaya naberezhnaya 123317 Moscow, RussiaTel.: +7 495 933 29 29Fax: +7 495 933 29 27E-mail: [email protected] Interpipe Ukraine1A, Pisarzhevskogo street 49000 Dnepropetrovsk, UkraineTel.: +380 56 736 60 06Fax: +380 562 389 482, 389 580E-mail: [email protected]
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