Thaum T-shaped welded steel yeeb nkab muaj Ni, nws muaj zog corrosion kuj nyob rau hauv ib puag ncig acidic. Nyob rau hauv ib puag ncig uas muaj sulfuric acid los yog hydrochloric acid, siab dua Ni cov ntsiab lus nyob rau hauv T-shaped welded steel yeeb nkab, lub zog corrosion kuj.

