80-55-06 Cast Iron Rod Material Cast Iron Material Grade 80-55-06 Overall Length 12 in Heat Treatable Yes Heat Treatment Tempered Mechanical Finish Mill Outside Diameter 3 in Outside Diameter Tolerance +0.088/+0.148 in Yield Strength 55 000 psi Fabrication Cast Rockwell Hardness Not Rated Brinell Hardness 187 Tensile Strength 80 000 psi Machinability Not Available Length Tolerance +/-1.000 in Includes Material Certificate Yes Standards ASTM A536 Shape Rod