Ceramic ball SI3N4 - silicon nitride - grade 5 ceramic ball - mm & inches (1/16 inch = 1.588mm), 2mm

描述

Material: Ceramic SI3N4, silicon nitride, grade 5, density 3.2 g/cm3, 60% lighter than steel. Hardness 1600 HV10, 125% harder than steel. Elasticity modulus 310 KN/mm², 60% stiffer than steel. Surface finish 0.005mm, 80% smoother than steel.