1. drill pipe 2.API 5DP 3.Grade: E75,X95, G105,S135 4.Size(in)2 3/8, 3 1/2, ... 1/2, 6 5/8 5.upset :EU IU IEU drill pipeAPI 5DPSize 2 3/8, 3 1/2, 4 ,4 ... /2, 5, 5 1/2, 6 5/8Grade: E75,X95, G105,S135O.D.(in):2.375-6.625 Thickness(in): 0 ... .030X-950.0300.030G-1050.0300.030S-1350.0300.030 API 5DP drill pipe