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The working surface of SARASWATI CASTINGS shows the white graphite free structure consisting of eutectic carbide and transformed austentite. This gives a hard layer which confers good resistance to wear. The core and necks exhibit a tough grey structure, and the iron of the transition zone is mottled.
Compared to grey iron, white chill iron is less soft, strong and incapable of with standing high dynamic stresses, but owing to its greater hardness, has better wear-resistance, and has high compressive strength. It retains a fair proportion of its strength at elevated temperature, for example, in hot rolling . These make excellent work Rollers for two, three and four-high mills, turning out of high grade ferrous and non-ferrous sheet and strip or section. High Alloy Clear Chilled Rollers have proved well suited for the finishing stand of rod and light section mills, for continuous small and medium hot strip mills, and for strip mills of older design
|CHEMICAL COMPOSITION||MECHANICAL PROPERTIES|
|3.00-3.40||0.20-0.90||0.25-0.60||0.20-0.50||1.00-2.00||0.25-0.35||20 - 27||0.20-0.25||55 - 70|