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I Forge Iron

clay coating and quenching problems

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For one your temp is far too high for 1065 if you're quenching at 1800f.

1065 should be normalized between 1550 and 1600, and hardened between 1475 and 1550. this should result in around a 62 RC hardness as quenched, which is about as hard as you're going to get 1065

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if you keep haveing cracks forming i would switch to oil... it will cool down slower (relativeley) but less chance of stress crack .. also could be problems in forgeing .. if you overheat the steel in forgeing or heat it too long you can get grain growth ..also forgeing too cold can create problems sometimes ... good luck....

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