BICO 250 ml Grinding Set- Chrome Steel

Includes lid, two rings, puck, 8" diameter grinding bowl. Capacity: 250 ml VP 45/50 Vibratory Pulverizer Bowl, Item number 25200 For use on BICO, TM, Angstrom, and other vibratory ring pulverizers that use the same mounting system. Composition (440C steel per ASTM specifications) Carbon (C) - 0.95-1.2% Manganese (Mn) - 1.00% max Phosphorus (P) - 0.40% max Sulfur (S) - 0.30% max Silicon (Si) - 1.00% max Chrome (Cr) - 16.00-18.00% Nickel (Ni) - 0.75% max Molybdenum (Mo) - 0.65% max Copper (Cu) - 0.50% max