Alloy indefinite chilled cast iron rolls
NiCrMo indefinite chilled cast iron rolls (Ⅴ)
1. Chemical Analysis
C: 3.1-3.4,
Si: 0.6-1.2,
Mn:0.5-1.0,
Ni: 3.8-4.5,
Cr: 1.4-2.0,
Mo: 0.2-1.2
2. Physical Properties
Barrel hardness(HSD): 77-82,
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
Plate. Flat Rack, Strip Finishing