ASTM A36 steel round bar 1.size:8-300mm 2.length:6-12mm ASTM A36 steel round bar1.size:8-300mm2.length:6-12mm3.outer diameter:8-300mm4.material:all kinds of5.technics:hot rolled and cold draw6.packing:hexagonal bundle packing7.standard:GB/T3091-2001,ASTM A53,BS1387 light series,ISO 65 light series 2,BS1388 medium series,DIN 2440/2444,EN 39 ASTM A36 steel round bar