🔥🔩🕳♂️🌡️⬇️🐌

#metallurgy #heat treatment #metal hardening #slow cooling #materials science #forging

🔥⏳❄️💪

#heat treatment #slow cooling #strengthening #tempering

🔥🐌❄️

#slow cooling #heat treatment process #metallurgy process #glass annealing #controlled cooling