... 40mm Brand:Tigersteel API 5L ASTM A 53/A106 Gr.B seamless steel tube,line pipe & oil & gas line ... API 5L Grade : API 5L ASTM A53/A106 GR.B Size: OD10.3-610 mm,(1/8" -24")WT ... 2008,EN39,BS1139Material Carbon steel :ASTM A 53/A106 GR,B ,X42.X52. Q195,Q235,Q345...... Quality PrimeTechnique ERW, ... ,CIF,Payment T/T 20% advance ,blance against of B/L copy Market East Asia, Southeast Asia, Middle East, Europe ...