How to choose the elements of the inoculant? Let's take a look:

General selection principles:

(1) The gestational elements to prevent the appearance of white mouth are: Ba, RE, Sr., Si.

(2) The incubation elements that promote graphitization are: Ba, Ca.

(3) The elements that can inhibit or slow down the decline of pregnancy are: Ba, Ca, RE.

(4) The elements of the inoculant melted into the molten iron are: Mn, Mg.

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