heavy weight drill pipe

Heavy weight drill pipe, Material:AISI 4145H, Certification:API SPEC7, O.D:3-1/2"-6-5/8" - details see: https://www.machineto.com/heavy-weight-drill-pipe-10149314

Place of Origin:Shandong, China (Mainland)	Brand Name:Haixin,haixin	Model Number:3-1/2"-6-5/8"	Grade:4145H
Technique:Seamless	Welding Line Type:Spiral Welded

contact supplier for heavy weight drill pipe

Our product ,that is ,Heavy weight drill pipes we produce is made from AISI 4145H alloy steel. We manage our production and inspection process strictly according to API SPEC 7 requirements. Excellent quality of our products have been proved by many famous chinese oilfields. Our products can last more than 600 hours with no thread gluing and no fracture. They can last much longer than other competitors in China.

Hope to get your further information.

xingna zhang

mobile:86-13675466243

Specification	OD		ID		Type	Tool joint Tube OD		DF Bevel of box and pin	Tube Size of upset		Weigh t/pc (kg)
Specification	mm	in	mm	in	Type	mm	in	DF Bevel of box and pin	Center D mm	Size of upset B mm	Weigh t/pc (kg)

Figure1. Integral heavy weight drill pipe type
ZH-JZ55 -5 1/2FH-	140	5 1/2	92.1	3 5/8	5 1/2 FH	177.8	7	170.7	152.4	144.5	730
ZH-JZ50 -NC50-	127.0	5	76.2	3	Nc50	165.1 (4 1/2 FH)	6 1/2	154.0	139.7	130.2	700
ZH-JZ45 -NC46-	114.3	4 1/2	71.4	2 13/16	Nc46	158.8 (4 IF)	6 1/4	145.3	127.0	117.5	585
ZH-JZ35 -NC38-	88.9	3 1/2	52.39	2 1/16	Nc38	120.7	4 3/4	116.3	101.6	92.1	370

Figure2. Integral heavy weight drill pipe type
ZH-JZ50-NC50-II	127.0	5	76.2	3	Nc50 (4 1/2 FH)	165.1	6 1/2	154.0	139.7	130.2	945
ZH-JZ45-NC46-II	114.3	4 1/2	71.4	2 13/16	Nc46 (4IF)	158.8	6 1/4	145.3	127.0	117.5	790