Integral Heavy Weight Drill Pipe

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11-May-2024

Integral Heavy Weight Drill Pipe using AISI 4145H alloy steel as API specification and implementation of SY / T5146 standard.The material is formed by forging machine as one piece,heat-treated by Pit furnace, thickened at both ends of the joints and spray hardbanding in the middle of the segment.Integral Heavy Weight Drill Pipe can spray America Bianco authorized 100XT, 300XT wear-resistant materials, can be cold thread rolling, copper or phosphate processing, machine double shoulder thread and other specifications of the special thread.

Integral Heavy Weight Drill Pipe Size specification

规格	外径C		内径E		接头				管体		单根质量 Kg
					型式	外径 A		内外螺纹台肩倒角 DF mm	加厚部分尺寸
									中部 D mm	端部 B mm

	mm	in	mm	in		mm	in
I型（单根长度9300mm）
ZH-JZ66-6 5/8FH-Ⅰ	168.3	6 5/8	114.3	4 1/2	6 5/8FH	209.6	8 1/4	195.70	184.2	176.2	965
ZH-JZ55-5 1/2FH-Ⅰ	139.7	5 1/2	92.1	3 5/8	5 1/2FH	177.8	7	170.7	152.4	144.5	730
ZH-JZ50-NC50-Ⅰ	127.0	5	76.2	3	NC50	168.3	6 5/8	154.0	139.7	130.2	700
ZH-JZ45-NC46-Ⅰ	114.3	4 1/2	71.4	2 13/16	NC46	158.8	6 1/4	145.3	127.0	117.5	585
ZH-JZ35-NC38-Ⅰ	88.9	3 1/2	52.39	2 1/16	NC38	120.7	4 3/4	116.3	101.6	92.1	370
ZH-JZ29-NC31-Ⅰ	73.03	2 7/8	50.8	2	NC31	104.8	4 1/8	100.4	84.1	81.0	220
II型（单根长度13500mm）
ZH-JZ50-NC50-II	127.0	5	76.2	3	NC50	168.3	6 5/8	154.0	139.7	130.2	945
ZH-JZ45-NC46-II	114.3	4 1/2	71.4	2 13/16	NC46	158.8	6 1/4	145.3	127.0	117.5	790