This video demonstrates the process of tempering heat-treated steel components, specifically BFG 50 bolts, to mitigate issues caused by excessive hardness. Mark Serbu explains how TIG welding heat-treatable alloy steel can harden the weld joint, making it difficult to machine and hard on tooling. By tempering these bolts at 1100 degrees Fahrenheit, the hardness is reduced, making machining easier and extending the life of carbide inserts.
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