Coupling from China manufacturer - Shanghai Beall Metal Co.,Limited

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

Product Category

Coupling

Shanghai Beall Metal Co.,Limited

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