... -1985,DIN2440,GB/T3091-2008,EN39,BS1139Material Carbon steel :ASTM A 53/A106 GR,B ,X42.X52. Q195,Q235,Q345...... Quality ... ,ChinaApplication Widely used as the pipeline of industrial and civilian water, air, petroleum, natural gas, communication and so onPacking Black Painting, Caps, ... FOB,CFR,CIF,Payment T/T 20% advance ,blance against of B/L copy Market East Asia, Southeast Asia, Middle East ...