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How to Harden Steel: 10 Steps (with Pictures) - wikiHow | Knife making, Metal working, Forging knives
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How to Harden Steel: 10 Steps (with Pictures) - wikiHow
Steel is a common durable alloy, and while most steel used in tools is already tough, you can harden it even more to prevent wear and tear. Hardened steel prevents knife blades from dulling and tools from bending and breaking. With a...
