The cast iron molds used for casting zinc ingots have a too short service life – how to solve this? Thank you! ! ! !
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They are cast iron molds used for casting hot-dip galvanized ingots (of relatively large size, with each ingot weighing over half a ton); cracks start to appear after about 3 months (mainly at the four corners). What could be the reason? Are there any special requirements for the composition of the molten iron and the casting process for such cast iron molds? Thank you!
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