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Tel: +86-311-83601906
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1. Modification treatment: Add modifier to the molten iron before pouring to promote grain refinement.
The commonly used modifier is ferrosilicon containing 75% of silicon, and the amount added is generally about 0.4% of the weight of the molten iron.
2. Performance: The strength of the cast iron has been greatly improved, and the plasticity and toughness have also been improved.
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