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API Drill Pipe Tool Joint

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Address: NO.819 Unit B FuChen Business Plaza XinBei District ChangZhou,JiangSu,China

Contact name:James

Changzhou Oilfield Petroleum Equipment Co., Ltd.

API Drill Pipe Tool Joint

Country/Region	china
City & Province	changzhou jiangsu

Product Details

Petroleum drill stem joint (butt joint) is the use of oil, natural gas drilling in the tube body on the welding head with the drill pipe, including internal and external thread joint.
Drill pipe joints the company producing all kinds of specifications, can provide a variety of drill pipe blank, light green and finished products according to user needs. The joint is made of high quality alloy steel, with a special heat treatment, high strength, good toughness, long service life. Thread surface by copper or phosphating treatment, excellent anti sticking properties, mechanical properties of SY/T 5290 and API Spec7 requirements

The mechanical properties of drill pipe joint

The mechanical properties	Tensile strength	Yield strength	Elongation %	Impact work 21(J)	Brinell hardness
API Standard	≥965.3	≥827.4	≥13	≥54	≥285

Table parameters of drill pipe joint:

Drill pipe joint code	Specification and type	Nominal quality	Grade	Internal, external thread joint diameter	The inner diameter of the joint	Internal and external threads, shoulder joint chamfer diameter	Outside screw clamp space joint	Inside screw thread clamp space joint	Internal, external thread joint welding neck diameter
NC26	2 3/8 EU	9.90	E75	85.7	44.45	82.95	177.8	203.2	65.09
			X95	85.7	44.45	82.95	177.8	203.2	65.09
			G105	85.7	44.45	82.95	177.8	203.2	65.09
NC31	2 7/8 EU	15.49	E75	104.8	53.98	100.41	177.8	228.6	80.96
			X95	104.8	50.80	100.41	177.8	228.6	80.96
			G105	104.8	50.80	100.41	177.8	228.6	80.96
			S135	111.1	41.28	100.41	177.8	228.6	80.96
NC38	3 1/2 EU	14.15	E75	120.7	76.20	116.28	203.2	266.7	98.43
NC38	3 1/2 EU	19.81 23.09	E75	120.7	68.26	116.28	203.2	266.7	98.43
			X95	127.0	65.09	116.28	203.2	266.7	98.43
			G105	127.0	61.91	116.28	203.2	266.7	98.43
			S135	127.0	53.98	116.28	203.2	266.7	98.43
			E75	127.0	65.09	116.28	203.2	266.7	98.43
			X95	127.0	61.91	116.28	203.2	266.7	98.43
			G105	127.0	53.98	116.28	203.2	266.7	98.43
NC40	3 1/2 EU 4IU	23.09 20.85	S135	139.7	57.15	127.40	177.8	254.0	98.43
			E75	133.4	71.44	127.40	177.8	254.0	106.36
			X95	133.4	68.26	127.40	177.8	254.0	106.36
			G105	139.7	61.91	127.40	177.8	254.0	106.36
			S135	139.7	50.80	127.40	177.8	254.0	106.36
NC46	4EU	20.85	E75	152.4	82.55	145.26	177.8	254.0	114.30
			X95	154.4	82.55	145.26	177.8	254.0	114.30
			G105	152.4	82.55	145.26	177.8	254.0	114.30
			S135	152.4	76.20	145.26	177.8	254.0	114.30
	4 1/2 IU 4 1/2IEU	20.48 24.73	E75	152.4	85.73	145.26	177.8	254.0	119.06
			E75	158.8	85.22	145.26	177.8	254.0	119.06
			X95	158.8	76.20	145.26	177.8	254.0	119.06
			G105	158.8	76.20	145.26	177.8	254.0	119.06
			S135	158.8	69.85	145.26	177.8	254.0	119.06

According to customer requirements, production to meet customer requirements of non-standard drill pipe and tool joint.

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