... Bar TypeHot-forging, Hot Rolled, Cold Drawn, Bright Finish and Black Finsh Round BarStandardJIS, AISI, ASTM, GB, BS ... Forging/ Hot-rolled+Annealing/Normalizing/ Tempering/ Quenchingand Tempering/ Solution/ Aging/ Slow CoolingTolerance+/-0.2mmSurfaceBright Finish, Black Finish, ... /Construction/Gas/Metallurgy/Shipbuilding etcRemarksOther materials and drawings are available. ASTM A694 F46 Round Bar