SG Iron Rolls
NiCrMo Indifinite Chilled SG Cast Iron Rolls (Ⅰ)
1. Chemical Analysis
C: 3.00-3.40,
Si: 1.40-1.90,
Mn:0.40-0.80,
Ni: 0.50-1.00
Cr: 0.20-0.06
Mo: 0.20-0.60
Mg: ≧ 0.4
2. Physical Properties
Barrel hardness(HSD): 55-70,
Neck hardness(HSD): 35-55,
Tensile strength(Mpa): ＞320
3. Microstructure
Pearlite+ cementite+ small Graphite
4. Application
Profiles, rods, wire and narrow strip mill thick, in the rolling mill stand