Carbon Steel Hex Bar, Material Carbon Steel, Material Grade 12L14, Fabrication Cold Rolled, Heat Treatable Not Heat Treatable, Heat Treatment No Heat Treatment, Hex Width 1 5/16 in, Mechanical Finish Mill, Overall Length 6 ft, Rockwell Hardness 84 HRB, Brinell Hardness 163 BHN, Tensile Strength 78 ksi, Yield Strength 60,000 psi, Machinability 160 Percent, Standards ASTM A108, Shape Hexagon, Appearance Metallic, Includes Material Certificate Material Certificate with Lot Number