Cov khoom siv ntawm dub annealed hlau hlau

Dub annealed hlau hlau yog cov khoom siv hlau thoob ntiaj teb ua los ntawm cov hlau tsis tshua muaj hlau los ntawm ntau cov txheej txheem xws li kos duab, pickling, ci, thiab annealing. Nws cov khoom tseem ceeb yog hlau, thaum muaj cov khoom me me xws li carbon, sulfur, phosphorus, thiab manganese. Qhov saum npoo ntawm dub annealed hlau hlau zoo nkaus li dub, thiab nws muaj cov yam ntxwv ntawm kev ua mos, yooj yim rau khoov, thiab tsis yooj yim rau tawg.