Alloy indefinite chilled cast iron rolls
NiICrMo Indefinite Chilled Cast Iron Rolls (Ⅳ)
1. Chemical Analysis
C: 3.1-3.4,
Si: 0.6-1.0,
Mn:0.5-1.0,
Ni: 3.1-4.3,
Cr: 1.0-1.3,
Mo: 0.2-1.0
2. Physical Properties
Barrel hardness(HSD): 70-83,
Neck hardness(HSD): 35-55,
Tensile strength(Mpa): ＞350
3. Microstructure
Sorbite Tempered Bainite+ Carbide +Graphite + A small amount of martensite or Bainite + Carbide +Graphite
4. Application
Profile, rod and wire, narrow strip mill finishing stand, Plate fiat rack, strip finishing