
How to Choose grit size of the chromite sand?
How to Choose grit size? Generally,the smaller casting need to make, the finer grit size foundry adopted.The following frame shows it for reference: Less than 500KGS 500-1000KGS 1-10 Tons 10-30 Tons 30-100 Tons AFS40-70 AFS 45-50 AFS 45-50 AFS40-45 AFS 35-40 Specification CHEMICAL COMPOSITION Cr2O3 ≥46.0% SiO2 ≤1.0% FeO ≤26.5% CaO ≤0.3% MgO ≤10% AL2O3



