Nodular Graphite

 Meehanite Nodular Graphite Type
Iron Type Tensile    Yield Elongation Heat Treatment Brinell Hardness
SF 60 >60,000 PSI >45,000 PSI 15-20% Ferritize Anneal Up to 160
SP 80 >80,000 PSI >60,000 PSI 3-10% Optional Up to200
SH 100 >100,000 PSI >70,000 PSI 1-5% Optional Up to240
 Standard Ductile Iron Specifications
Iron Type Tensile Yield Elongation Heat Treatment Brinell Hardness
60-40-18 60,000 40,000 18% Ferritize Anneal 170 max
65-45-12 65,000 45,000 12% None 156-217
80-55-06 80,000 55,000 6% None 187-255
100-70-03 100,000 70,000 3% May Be Normalized 241-302
120-90-02 120,000 90,000 2% Quench & Temper As Specified