Process：ERW and Seamless

Standard：API 5CT

Certificate：LTC, STC, BTC, PREMIUM CONNECTION.

OD：4 1/2’’ – 20’’ (114.3mm-508mm)

Wall thickness：0.205’’- 0.635’’

Length：R1, R2, R3

Grade：H-40, J55, K-55, N-80, C-75, L-80, C-90, T-95, Q-125

End：Beveled, Square cut. And pipe protection cap especially for casing and tubing.

API TUBING COUPLINGS - NON UPSET END (NUE)
API Non-Upset Tubing Couplings	Casing Size OD (inches)	Coupling Size OD (inches)	Threads per inch	Length (inches)	Weight per Coupling (lbs)	Palletized Carton Quantity	Palletized Carton Weight
	1.9	2.2	10 Round	3.75	1.85	-	-
	2002/3/8	2.875	10 Round	4.5	2.82	1,512	4264
	2002/7/8	3.5	10 Round	5.5	5.15	800	4120
	2003/1/2	4.25	10 Round	5.625	8.17	502	4101
	4	4.75	8 Round	5.75	9.57	392	-
	2004/1/2	5.2	8 Round	6.5	10.76	252	2712