Tool Steel Rectangle Bar,18 L,5 1/2 W
125 in/+0.001 in, Overall Length 18 in, Overall Width 5 1/2 in, Heat Treatable Yes, Heat Treatment Oil Hardened, Mechanical Finish Precision Ground, Yield Strength 58,000 psi, Tensile Strength 104,500 psi, Brinell Hardness 177 to 212, Rockwell Hardness B88 to B95, Standards ASTM A681, SAE J437, Includes Material Certificate Yes, Length Tolerance +0.