Chemical Analysis
Designation of rolls | Material code | C | Si | Mn | Ni | Cr | Mo |
ZuS140CrNiMo | GS140 | 1.30-1.50 | 1.30-1.60 | 0.50-0.80 |
| 0.40-0.70 | 0.20-0.50 |
ZuS160CrNiMo | GS160 | 1.50-1.70 | 0.80-1.50 | 0.60-1.00 | 0.20-1.00 | 0.50-1.50 | 0.20-0.80 |
ZuS180CrNiMo | GS190 | 1.80-2.00 | 0.80-1.50 | 0.60-1.00 | 0.60-2.20 | 0.50-2.00 | 0.20-0.80 |
Physical Properties
Designation of rolls | Material code | Barrel hardness（HSD） | Neck hardness (HSD) | Tensile strength (Mpa |
ZuS140CrNiMo | GS140 | 36-46 | ≤46 | ≥540 |
ZuS160CrNiMo | GS160 | 45-55 | ≤50 | ≥500 |
ZuS180CrNiMo | GS190 | 50-65 | ≤50 | ≥450 |
Microstructure
Pearlite+ Spherical graphite+ Carbide
Application
Designation of rolls | Material code | Application |
ZuS140CrNiMo | GS140 | Small and medium steel, thick wire rod mill, hot strip rough roll, roller universal rolling mill |
ZuS160CrNiMo | GS160 | Small and medium steel, thick wire rod mill, hot strip rough roll, roller universal rolling mill |
ZuS180CrNiMo | GS190 | Small and medium steel, thick wire rod mill, hot strip rough roll, roller universal rolling mill |