Kakaretso Thepa
Alloy 2205 duplex stainless steel plate ke 22% Chromium, 3% Molybdenum, 5-6% Nickel nitrogen alloyed duplex stainless steel plate e nang le thepa e phahameng ea kakaretso, ea sebakeng seo le khatello ea khatello ea maikutlo ho phaella ho matla a phahameng le tšusumetso e matla haholo.
2205 tšepe e sa hloekang e kopantsoeng ka tubing
Alloy 2205 duplex stainless steel plate e fana ka khanyetso ea corrosion ea pitting le crevice ho feta 316L kapa 317L austenitic stainless steels hoo e ka bang mecha eohle ea litaba e senyang.E boetse e na le thepa ea mokhathala o mongata le khoholeho ea mobu hammoho le katoloso e tlase ea mocheso le conductivity e phahameng ea mocheso ho feta austenitic.
Matla a tlhahiso a ka ba habeli ho feta a litšepe tsa austenitic stainless.Sena se lumella moqapi ho boloka boima ba 'mele le ho etsa hore alloy e be le tlholisano ea litšenyehelo ha e bapisoa le 316L kapa 317L.
2205 tšepe e sa hloekang e kopantsoeng ka tubing
Alloy 2205 duplex stainless steel plate e loketse haholo lits'ebetso tse koahelang mocheso oa -50°F/+600°F.Lithempereichara tse ka ntle ho sebaka sena li ka nahanoa empa li hloka lithibelo tse itseng, haholo bakeng sa meaho e cheselitsoeng.
2205 tšepe e sa hloekang e kopantsoeng ka tubing
Khanyetso ea Corrosion
Kakaretso Corrosion
Ka lebaka la litaba tsa eona tse phahameng tsa chromium (22%), molybdenum (3%), le nitrogen (0.18%), thepa ea ho hanyetsa kutu ea 2205 duplex stainless steel plate e phahametse ea 316L kapa 317L libakeng tse ngata.
Ho hanyetsana le Corrosion sebakeng
Chromium, molybdenum, le naetrojene ka poleiting ea 2205 duplex stainless steel le tsona li fana ka khanyetso e ntle ea likoti le maphahlo le litharollo tse nang le oxidizing haholo le asiti.
Isocorrosion Curves 4 mpy (0.1 mm/yr), ka tharollo ea sulfuric acid e nang le 2000 ppm
Stress Corrosion Resistance
The duplex microstructure e tsejoa ka ho ntlafatsa ho hanyetsa ha kutu ea khatello ea maikutlo ea litšepe tse se nang tšepe.
Chloride stress corrosion cracking ea austenitic stainless steels e ka etsahala ha maemo a hlokahalang a mocheso, khatello ea maikutlo, oksijene le chloride li le teng.Kaha maemo ana ha a laoloe habonolo, ho phatloha ha corrosion ea khatello ea maikutlo hangata e bile tšitiso ea ho sebelisa 304L, 316L, kapa 317L.
2205 tšepe e sa hloekang e kopantsoeng ka tubing
Corrosion Mokhathala Ho hanyetsa
Alloy 2205 duplex steel stainless plate e kopanya matla a phahameng le khanyetso e phahameng ea kutu ho hlahisa matla a ho khathala a phahameng.Likopo tseo ho tsona lisebelisoa tsa ho sebetsa li le tlas'a tikoloho e senyang le ho kenya libaesekele li ka rua molemo ho tsoa ho 2205 duplex stainless steel plate.
Critical Pitting Temperature ho 1M NaCl Mekanngoa ho sebelisoa Outokumpu Stainless, Inc Pitting Cell
Critical Crevice Corrosion Temperature (CCT) ho 10% FeCl3•6H2O
Ho Corrosion Kakaretso ka Metsing ea Phosphoric Acids
| Corrosion Rate, ipy | ||||||||
|---|---|---|---|---|---|---|---|---|
| Kereiti | Tharollo A, 1401/4F | Tharollo B, 1201/4F | ||||||
| 2205 | 3.1 | 3.9 | ||||||
| 316L | >200 | >200 | ||||||
| 904L | 47 | 6.3 | ||||||
| Moetso, wt% | ||||||||
| P2O5 | HCl | HF | H2SO4 | Fe2O3 | Al203 | SiO2 | CaO | MgO |
| Sol A 54.0 | 0.06 | 1.1 | 4.1 | 0.27 | 0.17 | 0.10 | 0.20 | 0.70 |
| Sol B 27,5 | 0.34 | 1.3 | 1.72 | 0.4 | 0.001 | 0.3 | 0.02 | - |
Stress Corrosion Cracking Resistance
| Ho bela | Wick | Ho bela | |
|---|---|---|---|
| Kereiti | 42% MgCl2 | Teko | 25% NaCl |
| 2205 | F | P | P |
| 254 SMO® | F | P | P |
| Mofuta oa 316L | F | F | F |
| Mofuta oa 317L | F | F | F |
| Motsoako oa 904L | F | P kapa F | P kapa F |
| Motsoako oa 20 | F | P | P |
(P = Phasa, F = Ho hloleha)
Tlhahlobo ea Lik'hemik'hale
Maemo a Tlwaelehileng (Boima %)
| Khabone | Chromium | Nickel | Molybdenum | Naetrojene | Ba bang |
|---|---|---|---|---|---|
| 0.020 | 22.1 | 5.6 | 3.1 | 0.18 | S=0.001 |
| PREN = [Cr%] = 3.3 [Mo%] = 16 [N%] ≥ 34 | |||||
Thepa ea Mechini
Thepa ea Mechini ka Mocheso oa Kamore
| ASTM A240 | E tloaelehileng | |
|---|---|---|
| Kotulo Matla 0.2%, ksi | 65 mets. | 74 |
| Matla a Tensile, ksi | 90 mets. | 105 |
| Elongation,% | 25 mets. | 30 |
| Boima ba RC | 32 max. | 19 |
Thepa ea Tensile ka Mocheso o Phahameng
| Mocheso °F | 122 | 212 | 392 | 572 |
|---|---|---|---|---|
| Kotulo Matla 0.2%, ksi | 60 | 52 | 45 | 41 |
| Matla a Tensile, ksi | 96 | 90 | 83 | 81 |
Lintho Tsa 'Mele
| Mocheso °F | 68 | 212 | 392 | 572 | |
|---|---|---|---|---|---|
| Botenya | lb/ka3 | 0.278 | - | - | - |
| Modulus ea Elasticity | psx106 | 27.6 | 26.1 | 25.4 | 24.9 |
| Katoloso ya Mothalo (68°FT) | 10-6/°F | - | 7.5 | 7.8 | 8.1 |
| Thermal Conductivity | Btu/h ft°F | 8.7 | 9.2 | 9.8 | 10.4 |
| Matla a Mocheso | Btu/lb ft°F | 0.112 | 0.119 | 0.127 | 0.134 |
| Ho hanyetsa Motlakase | Ω ho x 10-6 | 33.5 | 35.4 | 37.4 | 39.4 |
Nako ea poso: Jul-18-2023