... characters: stable and reliable performance,even size , good abrasion resistance,more sharp for cutting, cut fast, and make the ... Steel scrap iron scrapAbrasive resistanceWith Cr alloy element, abrasive resistance high, low consumedAlloy elements is lessStructureForge State, Tough ... Material is bearing steel ,Cr is included, abrasive resistance is high ,good hardenabilityBearing steel grit is more ...