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Bainitic Spheroidal Graphite RollsAlloy elements of Ni?Mn?Cr?Mo etc.are added to bainitic spheroidal graphite rolls for obtaining acicular(bainite-martensite)matrix in its microstructure of these rolls.Its strength and toughnes is higher than Perlitic Nodular Cast Iron Rolls,Website:http://www.kdroll.com,wearability is also better than latter.These rolls can be produced by static casting or centrifugal casting.Chemical Composition %SymbolCSiMnCrNiMoSGA?2.90-3.601.20-2.200.20-0.800.20-1.003.01-3.500.50-1.00SGA?2.90-3.601.00-2.000.20-0.800.30-1.503.51-4.500.50-1.00Prosperities&ApplicationSymbolH