ASTM A106 Gr.B Seamless steel pipe 1) O.D: 20 ~ 273mm 2) W.T: 0.8~ 12mm 3) Material: A53, A106, Q195 CommoditySteel Pipe (Black colored, galvanized)ShapeRound pipeSquare pipeRectangular pipeOuter diameter12-406mm10*10-600*600mm10*20-600*800mmWall thickness0.6-12mm 0.6-20mm0.6-20mmLength2m--5.8m/6m/12m and RANDOM LENGTHStandardASTM A53,BS1387-85,GB/T3091-08,DIN2440,JIS-G3444,EN10255Zinc coatingPre ...