API Tubing Size??/span>
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OD		Nominal Weight (Thread with coupling)				Wall		Grade and End Type
		N		U
in.	mm	lb./ft.	kg/m	lb./ft.	kg/m	in.	mm	J55	L80	N80-1 N80-Q	C90
2-3/8	60.32	4.60	6.85	4.70	6.99	0.190	4.83	PNU	PNU	PNU	PNU
2-3/8	60.32	5.80	8.63	5.95	8.85	0.254	6.45	--	PNU	PNU	PNU
2-3/8	60.32	7.35	10.94	7.45	11.09	0.336	8.53	--	PU	--	PU
2-7/8	73.02	6.40	9.52	6.50	9.67	0.217	5.51	PNU	PNU	PNU	PNU
2-7/8	73.02	7.80	11.61	7.90	11.76	0.276	7.01	--	PNU	PNU	PNU
2-7/8	73.02	8.60	12.80	8.70	12.95	0.308	7.82	--	PNU	PNU	PNU
2-7/8	73.02	9.35	13.91	9.45	14.06	0.340	8.64	--	PU	--	PU
3-1/2	88.90	7.70	11.46	--	--	0.216	5.49	PN	PN	PN	PN
3-1/2	88.90	9.20	13.69	9.30	13.84	0.254	6.45	PNU	PNU	PNU	PNU
3-1/2	88.90	10.20	15.18	--	--	0.289	7.34	PN	PN	PN	PN
3-1/2	88.90	12.70	18.90	12.95	19.27	0.375	9.52	--	PNU	PNU	PNU
4	101.60	9.50	14.14	--	--	0.226	5.74	PN	PN	PN	PN
4	101.60	10.70	--	11.00	16.37	0.262	6.65	PU	PU	PU	PU
4-1/2	114.30	12.60	18.75	12.75	18.97	0.271	6.88	PNU	PNU	PNU	PNU

Note: P=plain end N= non-upset with thread E=upset with thread

??span lang="EN-US">R2: 8.53??span lang="EN-US">9.75m??span lang="EN-US">28??span lang="EN-US">32ft??span lang="EN-US">R3??span lang="EN-US">10.65-12.17m(35-40ft)

Coupling: API standard coupling, coupling with special clearance and bevel and others as requested by customers