Alloy indefinite chilled cast iron rolls
NiCrMo indefinite chilled cast iron rolls (Ⅲ）
1. Chemical Analysis
C: 3.1-3.4,
Si: 0.6-1.0,
Mn:0.5-1.0,
Ni: 2.2-2.8，
Cr: 0.8-1.3,
Mo: 0.2-1.0
2. Physical Properties
Barrel hardness(HSD): 65-78,
Neck hardness(HSD): 35-55,
Tensile strength(Mpa): ＞350
3. Microstructure
Sorbite Cementite + Small Percentage Graphite
4. Application
Section mill、bar mill、intermediate and finishing stands of wire–rod mill