Sezvo nzvimbo dzakakora dzakaumbwa pamusoro, dzakaomarara uye dzakaomarara zvikamu zvechiyero, zvikamu zvakadaro pickling descaling zvine kuoma. Kwakadaro kubviswa kweiyo loose oxide scale maererano ne pickling danho rekubvisa madota akarembera akaitwa.

1, Chikero chakasununguka:
2, Pickling oparesheni: mushure mekuregedzera chiyero, kazhinji yakasungirirwa kune zvikamu zvevhu regrey rakarembera, kurembera madota mushure mekubvisa oxide passivation.
3, Kubviswa kwedota rakarembera danho rekushanda: Zvikamu mushure mekutambisa passivation muitiro wakashata wekupokana mumhepo, sekuratidzwa nemhepo, zvikamu zvepasi ngura. Kuti uwedzere kusimba kwekuora kwezvikamu, zvikamu zvinofanirwa kuburitsa nzvimbo yakaomesesa, yakanaka corrosion resistance yepasirefi firimu, kuitira kuzadzisa chinangwa chekuramba kwecorrosion. Passivation firimu rakanaka kana rakashata rinokanganisa zvakananga hupenyu hwehupenyu uye zvitarisiko zvikamu, zvinhu zvinokanganisa kunaka kweiyo passivation firimu kuumbwa uye mhando yechinhu chikuru chemhinduro yepassivation.