... API 5L ASTM A 53/A106 Gr.B seamless steel tube,line pipe & oil & gas line Standard: API 5L Grade : API 5L ASTM ... 8m,12 mMOQ: 20 Ton Details: Product seamless steel tube,line pipe ,oil & gas pipe line Brand Tiger steelStandard ASTM A53,BS1387-1985,DIN2440,GB ... /T3091-2008,EN39,BS1139Material Carbon steel :ASTM A 53 ...