Gem Bids For Rolled Round Bar, Diameter: 1 Inch Material Ofconstruction: Confirming With Astm A-276 Dtd 2010, Rolled Round Bar Diameter: 2 Inch, Material Ofconstruction: Confirmin Astm A 276, Rolled Roundbar Diameter: 3 Inch, Material Of Construction:Confirming With Astm A-276 Dtd 2010