- Company : Shijiazhuang BKDR Metallurgical Science & Technology Co.,Ltd
- Region : Hebei , China
- Category : Apparel & Clothing > Wedding Apparel
- Specification : Inner plastic film and outer corrugated sheet, in steel case
- Quantity : 1000mt/month
- Contact Person : Kelvin Bian|||sales
- Telephone :
- Fax :
- Mobile phone :
- Website : www.bkdrtech.com
- Email : [email protected]
- Update : Jan/24/2018
Product Details
High Chromium Rolls This type of rolls is High Chromium Centrifugal Duplex Rolls, produced from high alloy material, whose microstructure is bainite and chrome carbides, the core of the rolls is filled with spheroidal graphite cast iron. Application: Work rolls, Vertical Rolls, Skin Pass Rolls for hot strip mills. Chemical composition and hardness Grade C Si Mn P S Cr Ni Mo Barrel Hardness(HSD) HiCr I 2.30-3.30 0.30-1.00 0.50-1.20 ? 0.10 ?0.05 12.0-15.0 0.70-1.70 0.70-1.50 60-75 HiCr II 2.30-3.30 0.30-1.00 0.50-1.20 ? 0.10 ?0.05 15.01-18.0 0.70-1.70 0.70-1.50 65-80 HiCr III 2.30-3.30 0.30-1.00 0.50-1.20 ? 0.10 ?0.05 18.01-22.0 0.70-1.70 1.51-3.00 75-90 Neck Hardness: 32-45 Tensile Strength: 350N/mm2 min http://www.bkdrtech.com
