65-45-12 Cast Iron Rod Material Cast Iron Material Grade 65-45-12 Overall Length 12 in Heat Treatable Yes Heat Treatment Tempered Mechanical Finish Mill Outside Diameter 4 1/2 in Outside Diameter Tolerance +0.106/+0.202 in Yield Strength 45 000 psi Fabrication Cast Rockwell Hardness Not Rated Brinell Hardness 143 Tensile Strength 65 000 psi Machinability Not Available Length Tolerance +/-1.000 in Includes Material Certificate Yes Standards ASTM A536 Shape Rod