METALLURGICAL PROPERTIES PREDICTION Comparison between simulation and actual Component Name : Bearing Housing Grade : GJS 450

CHEMISTRY ACTUAL SIMULATION Pr. Time 10 -12 sec Pr. Temp 1378 deg c Sand Temp 35 - 36 deg C Pr. Time 11 sec Pr. Temp 1380 deg c Sand Temp 35 deg C C - 3.586% Si - 2.77% Mn - 0.273% S - 0.006% P - 0.02% Cu - 0.013% Mg - 0.039% Cr - 0.023%

TENSILE STRENGTH ACTUAL SIMULATION Tensile Bar1:- 08 M2 L10B - 431.18 N/Sq.mm 08 M2 L13A - 467.04 N/Sq.mm Tensile Bar2:- 08 M2 L10B - 441.18 N/Sq.mm 08 M2 L13A - 472.08 N/Sq.mm 461 N/Sq.mm

ELONGATION ACTUAL SIMULATION Tensile Bar1:- 08 M2 L10B - 21.93% 08 M2 L13A - 17.22% Tensile Bar2:- 08 M2 L10B - 21.09% 08 M2 L13A - 15.88% 15 to 18.24%

HARDNESS ACTUAL SIMULATION 08 M2 L10B - 156 BHN 08 M2 L13A - 163 BHN 155.4 to 168.2 BHN

FERRITE ACTUAL SIMULATION 08 M2 L10B - 95% 08 M2 L13A - 90% 94%

PEARLITE ACTUAL SIMULATION 08 M2 L10B - 5% 08 M2 L13A - 10% 6.35 to 12.7%

Findings and conclusion Mechanical properties of this grade matches with actual component properties