threaded fitting

threaded fitting 1.Grade: J55,K55,N80,L80,P110 2.OD: 2-7/8"to 13-3/8" 3.Standard: API 5CT 4.Place of Origin: China

threaded fitting

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Features

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GRADE: J55, K55, N80-1, N80-Q, L80, C90, P110

We also supply premium thread products by customer’s request

SIZE: Tubing coupling from 1.9” to 4-1/2”, Casing coupling from 4-1/2” to 13-3/8”

TYPE: NUE, EUE (tubing coupling), STC, LC, BTC (casing coupling).

SURFACE TREATMENT: Whole phosphating, or inside phosphating and outside coating

PACKING: By carton, wooden case, wooden pallet, or by requirements of customers.

Specification

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API Casing Coupling
Size and Specification
Descriptions and Size		Type of Thread	O.D*L(mm)	Weight (kg)
Casing Coupling	4-1/2”	STC	127.00*158.75	3.62
	4-1/2”	LTC	127.00*177.80	4.15
	4-1/2”	BTC	127.00*225.42	4.55
	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”	STC	153.67*172.45	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”	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”	STC	194.46*187.15	8.39
	7”	LTC	194.46*228.60	10.83
	7”	BTC	194.46*254.00	10.54
	7-5/8”	STC	215.90*190.50	12.3
	7-5/8”	LTC	215.90*134.95	15.63
	7-5/8”	BTC	215.90*263.52	15.82
	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	18.63
	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

We officially renamed YingKou OuYang Metal Manufacturing Co., Ltd. in April 2011. (Formerly known as YingKou OuYang Steel Tube Co., Ltd.)YingKou OuYang Metal Manufacturing Co., Ltd. is one leading manufacturer in the oil field .Our company is specializing in the process of oil casing, tubing, casing coupling, pup joint, reducer union, drill pipe coupling and also can process the special specification as the customer's request. Meanwhile, we can process the different machined products to meet different need in the oilfield . Our company is established in 2005 and located in Lu An Industrial Park, YingKou Economic & Technical Developing Zone, Liaoning Province. we are neighbor to Yingkou sea port , Dalian sea port and Tianjin Seaport .For this two aspect reasons, we greatly reduce the logistics cost to ensure our product have strong price competitive in the market compared the other suppliers.Our company are strictly complied by ISO management and quality certificated by API 5CT. Moreover all the skilled persons are trained by the oilfield experts from domestic and abroad. The skilled worker are more than 200 persons,15 perons are senior engineers who have first site experience. Also we regularly invite foreign experts make on-site guidance for us. The skilled workers and experienced experts assure our quality meet high standard requirement.YingKou OuYang Metal Manufacturing Co., Ltd. sincerely welcome any customers from all over the world to visit our plant and business communication.

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