Casing Coupling/Tubing Coupling API 5CT for OCTG
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China [CN] 1.Size:1.9”,2-3/8”,2-7/8”,3-1/2”,4”,4-1/2”.2.Material:J55,K55,N80-1,N80-Q,P110 etc.3.Thread:NU,EU,STC,LTC,BTC,VAM TOP and other special thread type.4.Standard:API 5L,API 5CT ,ISO 9001:2008
5. Surface treatment: Whole phosphating, or inside phosphating and outside coating
Specification:
|
Tubing Coupling |
||||
|
Size (inch) |
Outside diameter(mm) |
Coupling thread |
O.D*Length(mm) |
Unit weight(kg) |
|
2-3/8" |
60.32 |
2-3/8" NUE |
73.02*107.95 |
1.28 |
|
2-3/8" NUE |
77.80*123.82 |
1.55 |
||
|
2-7/8" |
70.32 |
2-7/8" NUE |
88.90*130.18 |
2.34 |
|
2-7/8" EUE |
93.17*133.35 |
2.40 |
||
|
3-1/2" |
88.9 |
3-1/2" NUE |
107.95*142.88 |
3.71 |
|
3-1/2" EUE |
114.30*146.05 |
4.10 |
||
|
4" |
101.6 |
4" NUE |
120.65*146.05 |
4.35 |
|
4" EUE |
127.00*152.40 |
4.82 |
||
|
4-1/2" |
114.3 |
4-1/2" NUE |
132.08*155.58 |
4.89 |
|
4-1/2" EUE |
141.30*158.75 |
6.05 |
||
|
Casing Coupling |
||||
|
Size (inch) |
Outside diameter(mm) |
Coupling thread |
O.D*Length(mm) |
Unit weight(kg) |
|
4-1/2" |
114.3 |
4-1/2" STC |
127.00*158.75 |
5.23 |
|
4-1/2" LTC |
127.00*177.80 |
4.15 |
||
|
4-1/2" BTC |
127.00*225.42 |
4.55 |
||
|
5" |
127.3 |
5" STC |
141.30*165.10 |
4.66 |
|
5" LTC |
141.30*196.85 |
5.75 |
||
|
5" BTC |
141.30*231.78 |
5.85 |
||
|
5-1/2" |
139.7 |
5-1/2" STC |
153.67*171.45 |
5.23 |
|
5-1/2" LTC |
153.67*203.20 |
6.42 |
||
|
5-1/2" BTC |
153.67*234.95 |
6.36 |
||
|
6-5/8" |
168.28 |
6-5/8" STC |
187.71*184.15 |
9.12 |
|
6-5/8" LTC |
187.71*222.25 |
11.34 |
||
|
6-5/8" BTC |
187.71*244.48 |
11.01 |
||
|
7" |
177.8 |
7" STC |
200.03*184.15 |
10.88 |
|
7" LTC |
200.03*228.60 |
13.92 |
||
|
7" BTC |
200.03*254.00 |
13.98 |
||
|
7-5/8" |
193.7 |
7-5/8" STC |
215.90*190.50 |
12.30 |
|
7-5/8" LTC |
215.90*234.95 |
15.63 |
||
|
7-5/8" BTC |
215.90*263.52 |
15.82 |
||
|
8-5/8" |
219.08 |
8-5/8" STC |
244.48*196.85 |
16.23 |
|
8-5/8" LTC |
244.48*254.00 |
21.67 |
||
|
8-5/8" BTC |
244.48*269.88 |
20.86 |
||
|
9-5/8" |
244.48 |
9-5/8" STC |
269.88*196.85 |
18.03 |
|
9-5/8" LTC |
269.88*266.70 |
25.45 |
||
|
9-5/8" BTC |
269.88*269.88 |
23.16 |
||
|
10-3/4" |
273.05 |
10-3/4" STC |
298.45*203.20 |
20.78 |
|
10-3/4" BTC |
298.45*269.88 |
25.74 |
||
|
11-3/4" |
298.45 |
11-3/4" STC |
323.85*203.20 |
22.64 |
|
11-3/4" BTC |
323.85*269.88 |
28.03 |
||
|
13-3/8" |
339.72 |
13-3/8" STC |
365.12*203.20 |
25.66 |
|
13-3/8" BTC |
365.12*269.88 |
31.77 |
||
|
16" |
406.4 |
16" STC |
431.80*228.6 |
34.91 |
|
16" BTC |
431.80*269.88 |
40.28 |
||
|
18-5/8" |
473.08 |
18-5/8" STC |
508*228.60 |
51.01 |
|
18-5/8" BTC |
508*269.88 |
62.68 |
||
|
20" |
508 |
20" STC |
533.4*228.6 |
43.42 |
|
20" BTC |
533.4*269.88 |
|||
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