Abrasive Steel Shots Size - S460. As Per Is : 4606/1983 Amndt. 1 (Saej827/J444). Chemical A Nalysis Carbon: 0.60-1.20 Percent Silicon: Min. 0.40 Percent, Phosphorus/ Sulphur: Max. 0.05 Percent Av.H Ardness- 40-50 Hrc, Min Density - 7.3 Gm/Cu.Cm. [ Warranty Period: 30 Months After The Date Of Deliver Y ] ]