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How to choose the elements of the inoculant:
General selection principles:
(1) The breeding elements to prevent the appearance of white mouth are: Ba, RE, Sr., Si;
(2) The breeding elements that promote graphitization are: Ba, Ca;
(3) The elements that can inhibit or slow down the decline are: Ba, Ca, RE;
(4) The elements of the inoculant melted into the iron liquid are: Mn, Mg.
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