Cov ntsiab lus tseem ceeb rau kev xaiv thiab siv cov hnav - ion} Cov hlau tiv taus steel phiaj

Thaum xaiv hnav -} Cov hlau tiv taus kav hlau, plaub qhov kev txiav txim siab tseem ceeb yuav tsum tau txiav txim siab: sib xws, kev cuam tshuam, lossis corrosive) nrog cov khoom siv; txuam kev ua haujlwm kub nrog cov khoom siv hluav taws xob thermal; txuam cov kev cuam tshuam kev cuam tshuam nrog cov khoom siv tawv; Thiab txuam kev ua cov kev coj ua txuas ntxiv nrog cov khoom siv weldability thiab machinability. Cov kev txiav txim siab tseem ceeb thaum siv: Zam kev zam lub siab- kev ua haujlwm kub tshaj 300 degree; preheat rau 150 {{{}}} 200℃ua ntej vuam; Thiab rau cov phiaj hlau tuab tshaj 30 hli, ntau {{{{} txheej, ntau cov vuam ua kom pom zoo.