1.5"OD,IEU,E,X,G & S ,Range 2 or ... ,19.5 ppf 2.Make-up&break-out 3.5 1/2FH, Hardband&IPC 4.Double Shoulder TJ Our company's ... drill pipe body are chosen by the 1&3 group of API 5D.(Group 1-Grade E75;Group 3-Grade X95, G105 ... produced in accordance to Standards of API 5DP, API7 &7-1, NS-1. RUSSIA RTN, RUSSIA GOST-R, ISO 9001,ISO 14001, OHSAS ...