Specifications

API 5ct tubing and casing coupling J55 K55 N80
1.Std Ref: API 5CT &5B
2.Grade: J55,K55,N80,L80,P110
3.BTC,LTC,STC

China Manufacturer! API 5ct tubing and casing coupling J55 K55 N80

 

Features:

1.Std Ref: API 5CT &5B

2.Grade: J55,K55,N80,L80,P110

 3.BTC,LTC,STC

4.Whole phosphating or outside blueing

 

Technical Parameters:

 

Product Name	Specification	Type of thread	OD*L(mm)	Unit Weight
API 5ct tubing and casing coupling J55 K55 N80	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"	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*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"	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*184.15	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	12.30
	7-5/8"	LTC	215.90*234.95	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	18.03
	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	50.10

 

 Package informations

 

Mq API   Casing Couplings Short Thread	Casing Size OD (inches)	Coupling Size OD (inches)	Length (inches)	Weight per Coupling (kg)	Palletized Carton Quantity	Palletized Carton Weight(kg)
STC (API 5CT Ninth Edition)	4 1/2	5	6.25	3.62	392	1420
	5	5.563	6.5	4.66	392	1827
	5 1/2	6.05	6.75	5.23	288	1507
	6 5/8	7.39	7.25	9.12	200	1824
	7	7.875	7.25	8.39	200	1678
	7 5/8	8.5	7.5	12.3	128	1575
	8 5/8	9.625	7.75	16.23	128	2078
	9 5/8	10.625	7.75	18.03	72	1299
	10 3/4	11.75	8	20.78	63	1310
	11 3/4	12.75	8	22.64	63	1427
	13 3/8	14.375	8	25.66	63	1617
	16	17	9	34.91	24	838
	18 5/8	20	9	54.01	24	1297
	20	21	9	43.42	24	1043

 

 

 

API   Casing Couplings Long Thread	Casing Size OD (inches)	Coupling Size OD (inches)	Length (inches)	Weight per Coupling (kg)	Palletized Carton Quantity	Palletized Carton Weight(kg)
LTC (API   5CT Ninth Edition)	4 1/2	5	7	4.15	392	1627
	5	5.563	7.75	5.75	343	1973
	5 1/2	6.05	8	6.42	252	1618
	6 5/8	7.39	8.75	11.34	150	1701
	7	7.875	9	10.83	150	1625
	7 5/8	8.5	9.25	15.63	96	1501
	8 5/8	9.625	10	21.67	96	2081
	9 5/8	10.625	10.5	25.45	45	1146
	20	21	11.5	57.04	20	1141

 

 

 

API   Casing Couplings Buttress Thread	Casing Size OD   (inches)	Coupling Size OD   (inches)	Length (inches)	Weight per   Coupling (kg)	Palletized Carton   Quantity	Palletized Carton   Weight(kg)
BTC (API 5CT Ninth Edition)	4   1/2	5	8.875	4.55	294	1338
	5	5.563	9.125	5.85	294	1486
	5 1/2	6.05	9.25	6.36	216	1374
	6 5/8	7.39	9.625	11.01	150	1652
	7	7.875	10	10.54	150	1581
	7 5/8	8.5	10.375	15.82	80	1266
	8 5/8	9.625	10.625	20.86	80	1669
	9 5/8	10.625	10.625	23.16	45	1043
	10 3/4	11.75	10.625	25.74	45	1159
	11 3/4	12.75	10.625	28.03	45	1262
	13 3/8	14.375	10.625	31.77	45	1430
	16	17	10.625	40.28	20	806
	18 5/8	20	10.625	62.68	20	1254
	20	21	10.625	50.1	20	1002

 

 Certifications

 

 

RFQ for your information

 

 

1. Q : are you a factory or a trade company?

A : Yes,we are a specilized petroleum machinery products factory for 12 years

 

2. Q:Where are your factory located in?how can i reach it?

A: our factory is located in PuYang City,HeNan province,you can take the High-speed

rail from Beijing or Shanghai , or by plane to Zhengzhou city.

 

3. Q: do you have API 5CT certification or other certification?

A: we have API 5CT &API 11b certification ,and ISO 9001 quality control certification 

 

4.Q:for the quality control,how do your factroy control

A: Firstly,all our seamless tubes,such as J55,K55,N80,L80,P110 are from china biggest

seamless factory,so Tensile Strength & Yield Strength can be assured

 

 B: Secondly,each procedure strictly controlled,and the threads are conntrolled by lathe

and import molding cutter.