... GR.B O.D.:10.3-610 mm W.T :3-40mm Brand:Tigersteel API 5L ASTM A 53/A106 Gr.B seamless ... -1985,DIN2440,GB/T3091-2008,EN39,BS1139Material Carbon steel :ASTM A 53/A106 GR,B ,X42.X52. Q195,Q235,Q345...... ... Quality PrimeTechnique ERW, seamless, weldedO.D. 1/2-24 inchW.T. 3.0-40 mmLength 5.8m,6.0m,11.5m,11 ... as per order qty.Trade Term FOB,CFR,CIF,Payment T/T 20% advance ,blance against of B/L copy Market ...