API STC Casing Couplings

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

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Supply Capability:: 20000ton pc/month

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API STC Casing Couplings

We provide STC casing coulings from 4-1/2″ to 20″, in grade J55, K55, N80, L80 and P110.

Threads are used as mechanical means to hold the neighboring joints together during axial tension or compression. For all casing sizes, the threads are not intended to be leak resistant when made up.

The round-thread (STC or LTC) casing-joint strength is given as the lesser of the fracture strength of the pin and the jump-out strength.

1. Size: 4-1/2" ~ 20″
2. Standard: API 5CT/5B
3. Type: STC
4. Grade:J55/K55/N80/L80/P110
5. Packaging: wooden pallet, tight wrapped /W paper carton

Casing Couplings Size And Dimension

API Casing Couplings Short Thread	Coupling Size (inches)	Min Length (inches)	Weight per Coupling (lbs)	Palletized Carton Quantity	Palletized Carton Weight
	4 1/2	6.250	7.98	408	3255
	5	6.500	10.27	300	3164
	5 1/2	6.750	11.53	276	3182
	6 5/8	7.250	20.10	154	3095
	7	7.250	18.50	170	3145
	7 5/8	7.500	27.12	120	3254
	8 5/8	7.750	35.78	108	3578
	9 5/8	7.750	39.75	80	3180
	10 3/4	8.000	45.81	72	3298
	11 3/4	8.000	49.91	60	2994
	13 3/8	8.000	56.56	54	3054
	16	9.000	76.96	-	-
	20	9.000	95.72	-	-

API Casing Couplings Long Thread	Coupling Size (inches)	Min Length (inches)	Weight per Coupling (lbs)	Palletized Carton Quantity	Palletized Carton Weight
	4 1/2	7.000	9.15	408	3733
	5	7.750	12.68	300	3804
	5 1/2	8.000	14.15	276	3905
	6 5/8	8.750	25.00	154	3850
	7	9.000	23.88	160	3820
	7 5/8	9.250	34.46	110	3790
	8 5/8	10.000	47.77	80	3822
	9 5/8	10.500	56.11	68	3815

API Casing Couplings Buttress Thread	Coupling Size (inches)	Min Length (inches)	Weight per Coupling (lbs)	Palletized Carton Quantity	Palletized Carton Weight
	4 1/2	8.875	10.03	380	3811
	5	9.125	12.90	290	3741
	5 1/2	9.250	14.02	276	3869
	6 5/8	9.625	24.27	156	3786
	7	10.000	23.15	164	3797
	7 5/8	10.375	34.88	108	3767
	8 5/8	10.625	45.99	85	3909
	9 5/8	10.625	51.06	74	3778
	10 3/4	10.625	56.75	65	3688
	11 3/4	10.625	61.79	60	3707
	13 3/8	10.625	70.04	54	3782

Dalipal Company is one of the most famous enterprises of china professionally producing pipeline and oil casing.We can supply API 5CT series of pipeline and oil casing with all kinds of specifications and materials.We have first-class production equipment and technology.

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