This could just be a situation where an intelligent mind struggles over the simple truth. The flow path of the castings being changed could result in the cure speed which could result in hardness changing due to cool down of the molten iron. Just because the hardness is different from one block to another doesn't mean the composition changed. Take water for instance. You still have 2 parts hydrogen and 1 part oxygen. Different temperatures give you different results in hardness. I really thing you are making this more complicated than it needs to be.
Last edited by cook_dw; 12-06-2022 at 11:45 AM.
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12-06-2022, 11:37 AM
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