Our drill pipes are in accordance with API Spec 5D and our heavy weight drill pipes are in accordance with API Spec 7-1.

Drill pipe:high material purity, chemical components uniform, size precision and excellent mechanical property and processing.

Size (in)	Nominal Weight (1b/ft)	OD of Pipe Body		Wall Thickness of Pipe Body		Grade	Upset Type	Conn. Type	OD of Pin and Box		ID of Pin
		(in)	(mm)	(in)	(mm)				(in)	(mm)	(in)	(mm)
2 3/8	6.65	2 3/8	60.32	0.280	7.11	G	EU	NC26 (2 3/8 IF)	3 3/8	85.70	1 3/4	44.45
2 7/8	10.40	2 7/8	73.02	0.36	9.19			NC31 (2 7/8 IF)	4 1/8	104.80	2	50.80
3 1/2	13.30	3 1/2	88.90	0.37	9.35			NC38 (3 1/2 IF)	5	127.00	2  7/16	61.91
3 1/2	15.50	3 1/2	88.90	0.45	11.40			NC38 (3 1/2 IF)	5	127.00	2 1/8	53.98
4	14.00	4	101.60	0.33	8.38			NC46 (4 IF)	6	154.20	3 1/4	82.55
4 1/2	16.60	4 1/2	114.30	0.34	8.56		IEU	NC40 (4 IF)	6 1/4	158.80	3	76.20
4 1/2	20.00	4 1/2	114.30	0.43	10.92			NC46 (4 IF)	6 1/4	158.75	2 1/2	63.50
5	19.50	5	127.00	0.36	9.19			NC50 (4 1/2 IF)	6 5/8	168.30	3 1/4	82.55
5	19.50	5	127.00	0.36	9.19			5 1/2 FH	7	177.80	3 3/4	95.25
5	25.60	5	127.00	0.50	12.70			NC50 (4 1/2 IF)	6 5/8	168.28	2 3/4	69.85
5	25.60	5	127.00	0.50	12.70			5 1/2 FH	7 1/4	184.15	3 1/4	82.55
5 1/2	21.90	5 1/2	139.70	0.36	9.17			5 1/2 FH	7 1/4	184.15	3 1/2	88.90
5 1/2	24.70	5 1/2	139.70	0.42	10.54			5 1/2 FH	7 1/4	184.15	3 1/2	88.90
6 5/8	25.20	6 5/8	168.28	0.33	8.38			6 5/8 FH	8 1/4	209.55	4 3/4	120.65
6 5/8	27.70	6 5/8	168.28	0.36	9.19			6 5/8 FH	8 1/4	209.55	4 3/4	120.65

drill pipe