Distinguishing Between Cast Iron and Steel Tips and Tricks

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That's an excellent point! Another method is to complete a spark check employing a grinder or abrasive wheel. When you grind cast iron, it produces tiny, reddish sparks with little to no branching. On the more hand, when you grind steel, it generates longer, brighter sparks that tend to branch out more. This difference in spark pattern is due to the carbon content and crystalline structure of the two materials. Have you tried conducting a spark test to determine the composition of the metal objects?