USING THE SPONGE IRON FOR CASTING OF DUCTILE IRON WITH REDUCING THE COST

More using of types of scraps for manufacturing the metals and alloys saves the energy, decreases the environmental contaminants and increases the productivity time of sources. It remains these rewarding sources for futures[1].
; Generally for decreasing the using of energy, refractory and increasing the efficiency the optimum amount of sponge iron is 30% of furnace capacity. Although in some conditions 70 to 80% of capacity was used

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