2.3/8′′ API 5DP G-105/S-135/E-75/X-95 SMLS Drill Pipe  

2.3/8′′ API 5DP G-105/S-135/E-75/X-95 SMLS Drill Pipe  API 5DP NC40 E75/X95/G105/S135 oil field Drill Pipe Application: For Oil and gas oil field drill pipes OCTG Size(mm): O. D.: 2.7/8"~6.5/8" Grade: E75,X95,G105,S135 Friction welding drill pipe is according with API Spec 5DP specification.The steel grades are E75, X95, G105 and S135 that are after partly or  overall heat treatment. The adapter part adopts thermal refining to superior alloy steel 4137H that's after thread hardening treatment and  phosphating to better antiseize. It also can be produced upon customers' requirements. The specification list of drill pipe (Friction welding)    Drill Pipe Diameter Upset Type RSC Steel Grade Wall Thickness External Diameter of Tool Joint…