... steel Steel scrap iron scrapAbrasive resistanceWith Cr alloy element, abrasive resistance high, low consumedAlloy elements is lessStructureForge State, Tough ... advantage :Material is bearing steel ,Cr is included, abrasive resistance is high ,good hardenabilityBearing steel grit is more ... time of equipment, and operator and workers’ health. abrasive bearing steel grit, skype:qt.1131 QQ:1742625742 Tel: ...