Flat Stock Material Brass Material Grade 360 Mechanical Finish Mill Overall Length 12 in Overall Width 3 in Yield Strength 45 000 psi Thickness 0.75 in Thickness Tolerance +/-0.005 in Standards - Temper H02 Rockwell Hardness B78 Shape Rectangular Bar Length Tolerance +/-0.250 in System of Measurement Inch Width Tolerance +/-0.012 in Tensile Strength 58 000 psi