1020 Carbon Steel Rectangular Bar Material Carbon Steel Material Grade 1020 Thickness 0.375 in Thickness Tolerance +/-0.010 in Overall Length 6 ft Overall Width 4 in Fabrication Hot Rolled Heat Treatable Yes Heat Treatment No Heat Treatment Mechanical Finish Mill Yield Strength 45 000 psi Tensile Strength 60 000 psi Brinell Hardness Not Rated Rockwell Hardness Not Rated Machinability 72 Percent Shape Rectangular Bar