PMC - Products - Heavy Weight Drill Pipe

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Drill Pipe

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PMC produce both integral and friction welded Heavy Weight Drill Pipe (HWDP). Integrated HWDP are made of premium and customized AISI 4145H alloy steel, and further processed by large scale turning machine to maintain pipe integrity. Manufacturing process strictly follow SY/T 5146-1997 requirements.

Machining process of friction welded HWDP pipes is similar with regular drill pipes; it is through friction welding, welding line heat treatment, etc. Pipe body materials are AISI-1340 heavy wall steel pipe from the Timken Company of USA.

PMC can do customized Heavy Weight Drill Pipe and Non-Magnetic Heavy Weight Drill Pipes according to customer specifications.

Non-Magnetic Heavy Weight Drill Pipes
OD		Wall Thickness		Tool Joints
inch	mm	inch	mm	Tool Joints
2 7/8	73.0	0.688	17.475	NC26(2 3/8IF)
3 1/2	88.9	0.719	18.263	NC38(3 1/2IF)
3 1/2	88.9	0.625	15.875	NC38(3 1/2IF)
4 1/2	114.3	0.875	22.225	NC46(4IF)
5	127.0	1.000	25.400	NC50(4 1/2IF)
5 1/2	139.7	1.125	28.575	5 1/2IF

Heavy Weight Drill Pipes
OD		Wall Thickness		Tool Joints
inch	mm	inch	mm	Tool Joints
2 7/8	73.0	0.688	17.475	NC26(2 3/8IF)
3 1/2	88.9	0.719	18.263	NC38(3 1/2IF)
3 1/2	88.9	0.625	15.875	NC38(3 1/2IF)
4 1/2	114.3	0.875	22.225	NC46(4IF)
5	127.0	1.000	25.400	NC50(4 1/2IF)
5 1/2	139.7	1.125	28.575	5 1/2IF