Specifications

API 5ct external-upset tubing coupling K55
1.Std Ref:api 5ct &5b
2.Grade: J55,K55,N80,L80,P110
3.Non-upset,External-upset

China manufacturer! API 5ct external-upset  tubing coupling K55

 

Feature:

1.Type:coupling

2.Material:J55, K55, N80-1,N80,L80,P110

3.Size:from 2-3/8" to 4-1/2"

4.Standard reference:API 5CT&5B

5.Placement:female

6.Technics:hot rolling

7.Surface treatment: Whole phosphating, or inside phosphating and outside coating

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

 

Technical Parameter

API 5ct external-upset  tubing coupling K55   Size and Specifications
Descriptiongs and size		Type of Tread	O.D*L(mm)	Weight(kg)
Tubing Couplings	2-3/8"	NUE	73.02*107.95	1.28
	2-3/8"	EUE	77.80*123.82	1.55
	2-7/8"	NUE	88.90*130.35	2.34
	2-7/8"	EUE	93.17*130.35	2.4
	3-1/2"	NUE	114.30*146.05	3.17
	3-1/2"	EUE	120.65*146.05	4.1
	4"	NUE	120.65*146.05	4.35
	4"	EUE	127.00*152.40	4.82
	4-1/2"	NUE	132.08*155.58	4.89
	4-1/2"	EUE	141.30*158.75	6.05
1. Name: tubing couplings
2. Std Ref: API 5CT
3.API couplings for oil tubing and casing.
4.Material:J55,K55,N80,L80,C90,P110,N80-1,N80-Q
5. Size:tubing coupling from 1.9"to 4-1/2"
6. Type:NU,EU(tubing coupling)
7.Surface treatment: whole phosphating, or inside phosphating and outside coating

 

Package information

 

Specificaiton	Tubing Size OD (inches)	Coupling Size OD   (inches)	Length (inches)	Weight per Coupling (kgs )	Palletized Carton Quantity	Palletized Carton Weight
					(pieces)	(Kgs)
EUE tubing coupling	1.9	2.500	3.875	0.84	2352	1976
	2 3/8	3.063	4.875	1.55	1152	1786
	2 7/8	3.668	5.250	2.40	800	1920
	3 1/2	4.500	5.750	4.10	512	1229
	4	5.000	6.000	4.82	392	1890
	4 1/2	5.563	6.250	6.05	392	2372

 

Specificaiton	Tubing Size OD (inches)	Coupling Size OD   (inches)	Length (inches)	Weight per Coupling (kgs )	Palletized Carton Quantity	Palletized Carton Weight
					(pieces)	(Kgs)
NUE tubing couplig	1.9	2.200	3.750	0.56	3468	1943
	2 3/8	2.875	4.250	1.28	1690	2164
	2 7/8	3.500	5.125	2.34	800	1872
	3 1/2	4.250	5.625	3.71	512	1900
	4	4.750	5.750	4.35	392	1706
	4 1/2	5.200	6.125	4.89	392	1917

 

 Certificaiton

 

Detailed picture

 

Workshop picture

 

 

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 airport.

 

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.