1. size:Dia. 20mm-150mm2. Material:high/medium/low chrome alloyed Super high chrome:15-23% High chrome: Cr=10-13% Medium chrome: Cr=3-6% Low chrome:Cr=0.8-1.8%3. Characteristics: high hardness, good wear resistant, low breakage, no deformation4. Hardness: 45-65 HRC: breakage rate:1% Drop times:100005. Application: cement, metallurgy, mining, electric power, chemical and magnets industries.6. Packing: Container bag: Dia20mm-Dia150mm 1000Kgs/Container Bag (GWT: 1002Kgs)Steel drums: Dia20mm-Dia80mm 900Kgs/Drum (GW: 915Kgs)Dia90mm-Dia150mm 850Kgs/Drum (DW: 85Kgs)