Flat Stock Steel 4140 1/4 x 3 In 6 Ft L

4140 Alloy Steel Rectangular Bar Material Alloy Steel Material Grade 4140 Thickness 0.25 in Thickness Tolerance +0.000 in/-0.007 in Overall Length 6 ft Overall Width 3 in Fabrication Cold Finished Heat Treatable Yes Heat Treatment Annealed Mechanical Finish Mill Yield Strength 60 000 psi Tensile Strength 95 000 psi Brinell Hardness 187 Rockwell Hardness Not Rated Machinability 66 Percent Standards ASTM A304 ASTM A322 ASTM A331 Appearance Unpolished Length Tolerance +/-6 in