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1)OD:2 -3/8,3-1/2,4- 1/2,5,5-1/2, 2)Grade: E75,X95,G105,S135, 3)Upset:IU EU IEU, 4)Hardbanding:TK34 TK34P, 5)Coating:ARNCO100XT - details see: https://www.machineto.com/oilfield-api-nc-38-oil-drilling-equipment-10316816

Drill pipes are steel tubes with threaded ends that are used to connect a drill rigs surface equipment with its drilling equipment, or bottomhole assembly, at the bottom of a well. They are used to transport drilling fluid to drill bits, and to raise, lower and rotate the bottomhole assembly along with the drill bit. Drill pipes must be manufactured to withstand severe internal and external pressure, distortion, bending and vibration. They are reusable and are not considered consumables in the process of exploring for and extracting oil and gas.

Drill Pipe performance Parameters

Spec	Weight	Flat-end Weight		External Diameter D		Wall Thickness t		Grade	Upset Type
		lb/ft	Kg/m	inch	mm	inch	mm
2-3/8	6.65	6.27	9.33	2.375	60.3	0.280	7.11	EXGS	Upset
2-7/8	10.4	9.72	14.47	2.875	73.0	0.362	9.19	EXGS	Upset
3-1/2	13.3	12.32	18.34	3.500	88.9	0.368	9.35	EXGS	Upset
3-1/2	15.5	14.64	21.79	3.500	88.9	0.449	11.4	EXGS	Upset
4	14.0	12.95	19.27	4.000	101.6	0.330	8.38	EXGS	Int Upset
4-1/2	16.6	15.00	22.32	4.500	114.3	0.337	8.56	EXGS	Int-Ext Upset
4-1/2	20.0	18.71	27.84	4.500	114.3	0.430	10.92	EXGS	Int-Ext Upset
5	19.5	17.95	26.70	5.000	127.0	0.362	9.19	EXGS	Int-Ext Upset
5	25.6	24.05	35.80	5.000	127.0	0.500	12.7	EXGS	Int-Ext Upset
5-1/2	21.9	19.83	29.52	5.500	139.7	0.361	9.17	EXGS	Int-Ext Upset
5-1/2	24.7	22.56	33.57	5.500	139.7	0.415	10.54	EXGS	Int-Ext Upset