The drill pipes are conformed to API 5D, API SPEC 7.
The material of drill pipe body is up to the 1&3 group of API 5D.
(Group 1---grade E75;Group 3---grade X95,G105,S135 )
The matching tool joints are according to your requirements which are up to API
standards.Integral and Welded Heavy Weight Drill Pipe
Standard: API Spec 7
Specification OD: 3-1/2, 4-1/2, 5, 5-1/2
Connection NC38, NC46, NC50, 5 1/2 FH
Type: Integral and Friction welded.
Material: AISI 4145H Alloy Steel and non-magnetic material
Drill pipe