Chemical Analysis
Designation of rolls | Material code | C | Si | Mn | Ni | Cr | Mo |
ZuB140CrNiMo | AD140 Ⅰ | 1.30-1.50 | 0.30-0.60 | 0.70-1.10 | 0.50-1.20 | 0.80-1.20 | 0.20-0.60 |
ZuB160CrNiMo | AD160 Ⅰ | 1.50-1.70 | 0.30-0.60 | 0.80-1.30 | ≥0.20 | 0.80-2.00 | 0.20-0.60 |
ZuB180CrNiMo | AD180 | 1.70-1.90 | 0.30-0.80 | 0.60-1.10 | 0.20-2.00 | 0.80-1.50 | 0.20-0.60 |
ZuB190CrNiMo | AD190 | 1.80-2.00 | 0.30-0.80 | 0.60-1.20 | 1.00-2.00 | 1.50-3.50 | 0.20-0.50 |
ZuB200CrNiMo | AD200 | 1.90-2.10 | 0.30-0.80 | 0.80-1.20 | 0.60-2.50 | 0.60-2.00 | 0.20-0.80 |
Physical Properties
Designation of rolls | Material code | Barrel hardness（HSD） | Neck hardness (HSD) | Tensile strength (Mpa |
ZuB140CrNiMo | AD140 Ⅰ | 35-50 | ≤60 | 500-800 |
ZuB160CrNiMo | AD160 Ⅰ | 40-60 | ≤50 | 500-800 |
ZuB180CrNiMo | AD180 | 45-60 | ≤50 | 450-700 |
ZuB190CrNiMo | AD190 | 50-65 | ≤50 | 450-700 |
ZuB200CrNiMo | AD200 | 50-65 | ≤50 | 450-700 |
Microstructure
Pearlite +Carbide or fine pearlite +A small amount of bainite +Carbide
Application
Designation of rolls | Material code | Application |
ZuB140CrNiMo | AD140 Ⅰ | Bar. wire, steel, strip rough rolling. the vertical roll |
ZuB160CrNiMo | AD160 Ⅰ | Bar. wire. steel, crude and rolled strip, vertical roller, roll rings, support rollers |
ZuB180CrNiMo | AD180 | Bar. wire. steel, crude and rolled strip, vertical roller, roll rings, support rollers |
ZuB190CrNiMo | AD190 | Bar. wire. steel, crude and rolled strip, vertical roller, roll rings, support rollers |
ZuB200CrNiMo | AD200 | Bar. wire. steel, crude and rolled strip, vertical roller, roll rings, support rollers |