Hastelloy alloy C22, e lauiloa foi o le alloy C22, o se ituaiga austenitic multifunctional Ni-Cr-Mo Tungsten alloy, lea e malosi atu le tetee i pitting, crevice corrosion ma stress corrosion ta'e.O le maualuga o le chromium e maua ai le faʻamaʻiina o le faʻamaʻi lelei i le ala, ae o le molybdenum ma le tungsten e iai le faʻapalepale lelei i le faʻaititia.
Hastelloy C-22 o loʻo i ai le antioxidant acyl gas, susu, formic ma acetic acid, ferric chloride ma copper chloride, vai sami, brine ma le tele o vailaʻau faʻafefiloi ma faʻamaʻi pipisi.
O lenei nickel alloy e maua ai foʻi le teteʻe sili ona lelei i totonu o siosiomaga o loʻo feagai ma tulaga faʻaitiitia ma faʻamaʻi i le faagasologa.
O lenei uʻamea nickel e faʻasaʻo i le faʻavaeina o le faʻatupuina o le saito e faʻafefe i le vevela o le sone o le uelo ma o lea e talafeagai ai mo le tele o faʻagasologa o vailaʻau i lalo o tulaga uelo.
Hastelloy C-22 e le tatau ona faʻaaogaina i le vevela e maualuga atu nai lo le 12509F ona o le faʻavaeina o vaega leaga e maualuga atu nai lo lenei vevela.
Alloy | % | Fe | Cr | Ni | Mo | Co | C | Mn | Si | S | W | V | P |
Hastelloy C-22 | Min. | 2.0 | 20.0 | paleni | 12.5 | - | - | - | - | - | 2.5 | - | - |
Max. | 6.0 | 22.5 | 14.5 | 2.5 | 0.01 | 0.5 | 0.08 | 0.02 | 3.5 | 0.35 | 0.02 |
Malosi | 8.9 g/cm³ |
Liu liusuavai | 1325-1370 ℃ |
Tulaga | Malosi fa'asa Rm N/mm² | Tuuina atu le malosi Rp 0. 2N/mm² | Fa'aumiumi pei % | Brinell maaa HB |
Fofo togafitiga | 690 | 283 | 40 | - |
Pa/Ai | Fa'atatau | Fa'ailogaina | Pepa/Ipu | Paipa/Tupa |
ASTM B574 | ASTM B366 | ASTM B564 | ASTM B575 | ASTM B622, ASTM B619,ASTM B626 |
•Nikeli-Chromium-Molybdenum-Tungsten u'amea fa'atasi ai ma le sili atu le fa'a'a'ala'au fa'atusatusa i so'o se isi fa'ameamea Ni-Cr-Mo, pei o Hastelloy C-276, C-4 ma le 625.
•Lelei tete'e i pitting corrosion, fa'a'ele'ele ma fa'amamafa ta'e.
•E matua tetee atu i le fa'ama'iina o ala o le vai e aofia ai le chlorine susu ma fa'afefiloi o lo'o iai nitric acid po'o vaila'au fa'ama'i fa'atasi ma ion chlorine.
•Tuuina atu o le tete'e sili ona lelei i si'osi'omaga o lo'o feagai ma tulaga fa'aitiitia ma fa'ama'i fa'ama'i ile fa'agasologa o vaitafe.
•E mafai ona faʻaaogaina i nisi o le ulu o le ulu mo le meatotino lautele, pe faʻaaogaina i le tele o gaosiga o fale gaosimea.
•Tete'e fa'apitoa i le tele o si'osi'omaga fa'agasologa o vaila'au e aofia ai vaila'au malolosi e pei o ferric acids, acetic anhydride, ma vai o le sami ma vaifofo vai.
•Tetee i le fausia o le saito-tuaoi precipitates i le uelo sone afaina vevela, tuuina atu tulaga lelei e pei-uelo mo talosaga faagasologa i alamanuia-faavae kemikolo.
Faʻaaogaina lautele i le fanua o vailaʻau ma petrochemical, e pei o le faʻaogaina i vaega faʻaola o loʻo i ai le chloride ma catalytic systems.O lenei mea e sili ona talafeagai mo le maualuga o le vevela, inorganic acid ma organic acid (e pei o le formic acid ma le acetic acid) faʻafefiloi ma le mama, sami. vai corrosion environments.Can mafai ona faaaoga e fai ai meafaigaluega autu nei po o vaega:
•Le acetic acid/acetic anhydride•Fa'asa'o o le acid;
•Le gaosiga o cellophane;•O le chloride system;
•Le fa'afefiloi lavelave acid;•ele fa'amea fa'amea fa'aeletise;
•O le faʻalauteleina o le faʻalogo;•O faiga fa'amama kasa;
•O le vaieli geothermal;•Fomea fa'ameamea fa'alili vai;
•Le faiga fa'amama mu;•Le toe fa'afouina o suauu;
•Le gaosiga o vailaau fa'asaina;•Fosphoric acid gaosiga.
•O le faiga o le pikiina;•Le fa'afesuia'i vevela ipu;
•Le faiga filifiliga filifilia;•Sulfur dioxide malulu olo;
•O le sulfonated system;•Fa'afesuia'i vevela;