Detailed Product Description: API Standard Drill Pipe for Sale (1) OD of pipe body : 3 1/2'' inch (2) Grade: E75, X95, G105, S135 (3) Wall Thickness: 9.35mm Internal Coating: TK34 TC2000 TC3000 Hardbanding:ARNCO 100XT 200XT 300XT Length: R1:6.10-7.01m R2:8.84-9.75m R3: 12.19-13.72m Use: Oil field Drilling, Water wall drilling, Geographical Drilling Hebei Longway Petroleum Equipment Co., Ltd. Contact:Elena QQ:499558035 Mob: 0086-18333180315 Skype: lwdpsales-Elena Email: lielana@outlook.com