Vim li cas cov kav hlau stainless yuav tsum ntxiv kev tiv thaiv sab hauv?

Thaum welding nyob rau hauv stainless hlau yeeb nkab txuas, cia lub vuam hlaws nyob rau hauv stainless hlau yeeb nkab txias nyob rau hauv ib tug tsis muaj oxygen ib puag ncig kom ntseeg tau tias lub puab weld hlaws tsis oxidized los ntawm kub. Kev tiv thaiv cov hlaws hlaws nthuav tawm cov kab dawb tsis yog oxidized liab lossis dub kab, uas yog du thiab zoo nkauj, tsis tshua muaj kev tawg thaum khoov, thiab ntau malleable.