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OCTG API 5CT Manufacturer Tubing coupling 2-3/8'' EUE J55/ L80/N80/P110

The couplings produced by our company are good at stable quality which the technical parameters are completely complied with the requirements of API5CT and API5B latest standards. Meanwhile, the company has equipped with more than 30 sets CNC threading machines, is able to produce variety of steel grade couplings include STC, LTC, BTC and NU, EU threading couplings.

The size for Tubing couplings are ranged from 2-3/8'' to 4-1/2'', as well as 4-1/2'' to 20'' for Casing Couplings. The company can produce all kinds of couplings over 1 million pieces annually.

If you have any questions, please contact in any time.

Size

Grade

NUE

EUE

Special clearance

2 3/8"

J55/K55/M80/L80/P110

Yes

Yes

Yes

2 7/8"

J55/K55/M80/L80/P110

Yes

Yes

Yes

31/2"

J55/K55/M80/L80/P110

Yes

Yes

Yes

4"

J55/K55/M80/L80/P110

Yes

Yes

41/2"

J55/K55/M80/L80/P110

Yes

Yes

SPECIFICATIONS

Size

Grade

STC

LTC

BTC

(in)

Normal

SCC

41/2

J55/K55/N80/L80/P110

Yes

Yes

Yes

Yes

5

J55/K55/N80/L80/P110

Yes

Yes

Yes

Yes

51/2

J55/K55/N80/L80/P110

Yes

Yes

Yes

Yes

65/8

J55/K55/N80/L80/P110

Yes

Yes

Yes

Yes

7

J55/K55/N80/L80/P110

Yes

Yes

Yes

Yes

75/8

J55/K55/N80/L80/P110

Yes

Yes

Yes

Yes

85/8

J55/K55/N80/L80/P110

Yes

Yes

Yes

Yes

95/8

J55/K55/N80/L80/P110

Yes

Yes

Yes

Yes

103/4

J55/K55/N80/L80/P110

Yes

Yes

Yes

113/4

J55/K55/N80/L80/P110

Yes

Yes

133/8

J55/K55/N80/L80/P110

Yes

Yes

16

J55/K55/N80/L80/P110

Yes

Yes

185/8

J55/K55/N80/L80/P110

Yes

Yes

20

J55/K55/N80/L80/P110

Yes

Yes

Yes



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