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Coupling

Keywords: Seamless ,SMLS, Electric Resistance Welded ,ERW,Drill Pipe,oil pipe;Coupling
Size: Tubing Coupling: 33.35mm * 80.96mm ~ 141.30mm * 158.75mm Casing Coupling: 127mm * 158.75mm ~ 553.4mm * 269.88mm
Standard & Grade: API 5CT / 5B;J 55, K 55, N 80-1, N80 Q, C 90, C 95, T 95, P 110, Q 125
Thread: NUE, EUE, VAM, STC, LTC, BTC, Special Clearance, XC, VAM TOP, NEW VAM
Delivery: Within 30 days and Depends on your order quantity
Payment: TT, LC , OA , D/P
Packing: Protection Caps in Both End, Waterproof Paper Wrapped, Two Tags
Usage: Used for Connecting two joints of Oil Tubing / Casing

Couplings are short lengths of pipe used to connect 2 joints of tubing or casing. They come with painted color codes on their external surface to indicate their grades. Standard:API Spec 5CT and 5B Tread types: NUE, EUE, VAM, STC, LTC, BTC, special clearance, XC,VAM TOP,NEW VAM.

Oil and Gas Couplings are short lengths of pipe used to connect 2 joints of tubing or casing. They come with painted color codes on their external surface to indicate their grades.

oil casing couplings and oil tubing couplings have different thread types.

Standards and Technical Conditions for Supply:API Spec 5CT and 5B

Size: 1.9” –20”

Grade: J55,K55,N80-1,N80Q,L80-1,C90,C95,T95,P110,Q125

Thread types of couplings: NUE, EUE, VAM, STC, LTC, BTC, special clearance, XC,VAM TOP,NEW VAM.

Packing: by carton, wooden case, wooden pallet or customized


Size and Specifications For Tubing and Casing Couplings for oil and gas

Descriptions and size

Type of Therad

O.D*L

Weight

Descriptions and size

Type of Therad

O.D*L

Weight



(mm)

(kg)



(mm)

(kg)

Casing

Coupling

4-1/2″

STC

127.00*158.75

5.23

Tubing

Coupling

1.05

NUE

33.35*80.96

0.23


4-1/2″

LTC

127.00*177.80

4.15


1.05

EUE

42.16*82.55

0.38


4-1/2″

BTC

127.00*225.42

4.55


1.315

NUE

42.16*82.55

0.38


5″

STC

141.30*165.10

4.66


1.315

EUE

48.26*88.90

0.57


5″

LTC

141.30*196.85

5.75


1.66

NUE

52.17*88.90

0.59


5″

BTC

141.30*231.78

5.85


1.66

EUE

58.88*95.25

0.68


5-1/2″

STC

153.67*171.45

5.23


1.9

NUE

55.88*95.25

0.56


5-1/2″

LTC

153.67*203.20

6.42


1.9

EUE

63.50*98.42

0.84


5-1/2″

BTC

153.67*234.95

6.36


2-3/8″

NUE

73.02*107.95

1.28


6-5/8″

STC

187.71*184.15

9.12


2-3/8″

EUE

77.80*132.82

1.55


6-5/8″

LTC

187.71*222.25

11.34


2-7/8″

NUE

88.90*130.18

2.34


6-5/8″

BTC

187.71*244.48

11.01


2-7/8″

EUE

93.17*133.35

2.4


7″

STC

194.46*184.15

8.39


3-1/2″

NUE

107.95*142.88

3.71


7″

LTC

194.46*228.60

10.83


3-1/2″

EUE

114.30*146.05

4.1


7″

BTC

194.46*254.00

10.54


4″

NUE

120.65*146.05

4.35


7-5/8″

STC

215.90*190.50

12.3


4″

EUE

127.00*152.40

4.82


7-5/8″

LTC

215.90*234.95

15.63


4-1/2″

NUE

132.08*155.58

4.89


7-5/8″

BTC

215.90*263.52

15.82


4-1/2″

EUE

141.30*158.75

6.05


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″

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″

STC

298.45*203.20

20.78







10-3/4″

BTC

298.45*269.88

25.74







11-3/4′

STC

323.85*203.20

22.64







11-3/4′

BTC

323.85*269.88

28.03







13-3/8″

STC

365.12*203.20

25.66







13-3/8″

BTC

365.12*269.88

31.77







16″

STC

431.80*228.6

34.91







16″

BTC

431.80*269.88

40.28







18-5/8″

STC

508.00*228.60

51.01







18-5/8″

BTC

508.00*269.88

62.68







20″

STC

533.40*228.6

43.42







20″

LTC

533.4*292.10

57.04







20″

BTC

533.40*269.88

50.1











Color codes painted which indicates different steel grades

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