1.5"OD,IEU,E,X,G & S ,Range 2 or 3,19.5 ppf 2.Make-up& ... 1/2FH, Hardband&IPC 4.Double Shoulder TJ Our company's drill pipes are in accordance with API 5D, API SPEC ... 5DP, API7 &7-1, NS-1. RUSSIA RTN, RUSSIA GOST-R, ISO 9001,ISO 14001, OHSAS 18001, Arnco Hardbanding Certificates and ...