Shijiazhuang BKDR Metallurgical Science & Technology Co.,Ltd
Barrel Diameter: 1500mm Maximum: Unit Weight: 25mt Maximum
Packaging: Inner plastic film and outer corrugated sheet, in steel case
Place of Origin: China
Supply Ability: 1000mt/month
Certificate: ISO 9001:2008
HS Code: 84553000
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
|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|| |
Neck Hardness: 32-45
Tensile Strength: 350N/mm2 min
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