Weccoo tàngoor ci spiral dañu leen di jëfandikoo bu bari ci wàllu chimik, farmasi, togg ñam, ak ci wàllu energie ndax seen jëmmal ak seen toxal tàngoor bu baax. Seen performance ak seen dundu serwiis mingi aju ci tànneefi macceer bi. Xeetu anam yi ñuy doxalee dañuy laaj macceer buñ méngale ngir mëna xeex corrosion, dëgër, ak njëg-effectiveness.
Acier carbonique ak acier alloy bu woyof ñooy produit yi ñuy jëfandikoo ngir weccoo tàngoor ci spiral, ñu baax ci medium yu dul corrosif wala yu am corrosion bu woyof (lu melni weccoo tàngoor ndox ak ndox). Macceer yooyu seen njëg yomb na, te dañu am doole mekanik bu bari, waaye dañu soxla ñu raxas seen kaw (lu melni galvanise wala coating) ngir gëna gudd fan. Ci aplikaasioŋu tàngoor yu kawe ak presioŋ bu kawe, asiye yu woyof yi (lu melni Q345R) mën nañu gëna baña gaawa jeex ndax dañu ciy yokk ay mbir yu melni molybdenum ak chromium.
Acier inoxydable (lu melni 304 ak 316L) ñooy tànneef yi gëna am solo ngir weccoo tàngoor spiral asiye inox, rawatina ci media yi am ion chloride, asid ak base, wala anam yu sell farmasi ak liggéeyum lekk. Duplex acier inox (lu melni 2205) dañu boole doole bu rëy ak baña yàq corrosion stress chloride, moo tax ñu mëna jëfandikoo ci fluide yu am tàngoor wu metti te am ion chloride.
Aleage yu am base nickel (lu melni Hastelloy C276 ak Inconel 625) dañu leen di defar ngir ñu jëfandikoo leen ci barab yu bari yàqu-yàqu, lu ci melni asid yu am doole (asid sulfurik ak asid klorik), tàngoor wu kawe ak hidrogen bu am presioŋ bu kawe, wala sistem desalinasioŋ. Doonte seen njëg seer na, mbir yooyu mënu ñu yàqu ci diggante granulaire yi ak oxidation ci tàngoor wu metti, te dañu leen di faral di jëfandikoo ci yenn mbir yu melni petrochimie ak aar environmaa bi.
Titanium mooy gëna baax ci weccoo tàngoor ci ndoxu géej. Rëyaayu chloride ion yi mu mëna xeex corrosion ak jëmmal bu woyof, dañu koy jëfandikoo bu bari ci gaal yi ak sàntraali kuuraŋ yi ci tefes gi. Rax ci dolli, mbir yi amul wen lu ci melni graphite ak seramik, doonte dellu ginaaw ci corrosion, dañuy yàqu itam, moo tax dañu leen wara jëfandikoo ci anam wu ndaw, ci anam wu yam ci seen bopp.
Tanneef macceer dafay laaj nga xoolaat bu baax màndarga yi ci digg bi, tàngoor wi, fitna bi, ak njëg bi. Ñiy jëmmal weccoo tàngoor ci spiral war nañu boole seen performance ak seen koom jaaraleko ci test corrosion ak jaar-jaar ci wàllu ingenieur ngir mëna wéy di doxal aparey bi ci diir bu yàgg te baax.
