Process：ERW and Seamless

Standard：API 5CT

Certificate：

casing：LTC, STC, BTC, PREMIUM CONNECTION.

Tubing：NUE, EUE.

OD：

casing：4 1/2’’ – 20’’ (114.3mm-508mm)

Tubing：2 3/8’’ – 4 1/2’’ (60.3mm-114.3mm)

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 CASING COUPLINGS - SHORT THREAD (STC)
API Casing Couplings Short Thread	Casing Size OD (inches)	Coupling Size OD (inches)	Length (inches)	Weight per Coupling (lbs)	Palletized Carton Quantity	Palletized Carton Weight
	2004/1/2	5	6.25	8.05	343	2716
	5	5.563	6.5	10.18	210	2168
	2005/1/2	6.05	6.75	11.44	216	2501
	2006/5/8	7.39	7.25	19.97	115	2322
	7	7.656	7.25	18.34	120	2231
	2007/5/8	8.5	7.5	26.93	80	2322
	2008/5/8	9.625	7.75	35.58	60	2132
	2009/5/8	10.625	7.75	39.51	50	2006
	2010/3/4	11.75	8	49.61	45	2079
	2011/3/4	12.75	8	50.49	35	1767
	2013/3/8	14.375	8	56.23	25	1436
	16	17	9	78.98	20	-
	2018/5/8	20	9	118.94	10	-
	20	21	9	98.25	10	-