... ASTM A 53/A106 Gr.B seamless steel tube,line pipe & oil & gas line Standard: API 5L Grade : API 5L ASTM ... , 6m,11.8m,12 mMOQ: 20 Ton Details: Product seamless steel tube,line pipe ,oil & gas pipe line Brand Tiger steelStandard ASTM ... ,CIF,Payment T/T 20% advance ,blance against of B/L copy Market East Asia, Southeast Asia, Middle East, Europe, ... ASTM A 53/A106 Gr.B seamless steel tube,line pipe & oil & gas ...