Aloyi ya inkoloy 925 (UNS N09925) ndi zowonjezera za molybdenum, mkuwa, titaniyamu, ndi aluminiyamu ndi aloyi ya nickel-iron-chromium yolimba, yomwe imapereka mphamvu zambiri komanso kukana kwa dzimbiri. Fayilo yokwanira ya nickel imateteza ku chloride-ion stress-corrosion cracking pamene molumikizana ndi molybdenum wowonjezera ndi mkuwa, kukana kuchepetsa mankhwala kumasangalala. Molybdenum imathandiziranso kukana kutsekeka ndi kuwonongeka kwa ming'alu, pomwe chromium imathandizira kukana malo okhala ndi okosijeni. Pa chithandizo cha kutentha, kulimbitsa thupi kumachitika chifukwa chowonjezera titaniyamu ndi aluminium.
Mapulogalamu omwe amafunikira kuphatikizika kwamphamvu kwambiri komanso kukana kwa dzimbiri angaganizire za Incoloy alloy 925. Kukaniza kupsinjika kwa sulfide kusweka ndi kupsinjika-kusweka kwa dzimbiri m'malo "owawasa" amafuta ndi gasi wachilengedwe kumatanthauza kuti amagwiritsidwa ntchito popanga mabowo ndi zitsime za gasi komanso kupeza ntchito m'mapaipi am'madzi ndi mapaipi apamwamba.
The Chemical Composition of Inoloy 925 | |
---|---|
Nickel | 42.0-46.0 |
Chromium | 19.5-22.5 |
Chitsulo | ≥22.0 |
Molybdenum | 2.5-3.5 |
Mkuwa | 1.5-3.0 |
Titaniyamu | 1.9-2.4 |
Aluminium | 0.1-0.5 |
Manganese | ≤1.00 |
Silikoni | ≤0.50 |
Niobium | ≤0.50 |
Mpweya | ≤0.03 |
Sulfure | ≤0.30 |
Mphamvu Zolimba, min. | Zokolola Mphamvu, min. | Elongation, min. | Kuuma, min. | ||
---|---|---|---|---|---|
Mpa | ksi | Mpa | ksi | % | Mtengo wa HRC |
1210 | 176 | 815 | 118 | 24 | 36.5 |
Kuchulukana | Mitundu Yosungunuka | Kutentha Kwapadera | Kukaniza Magetsi | ||
---|---|---|---|---|---|
g/cm3 | °F | °C | J/kg.k | BTU/lb. °F | µΩ m |
8.08 | 2392-2490 | 1311-1366 | 435 | 0.104 | 1166 |
Fomu Yogulitsa | Standard |
---|---|
Ndodo, bar & Waya | Chithunzi cha ASTM B805 |
mbale, pepala &vula | Chithunzi cha ASTM B872 |
Chitoliro chopanda msoko ndi chubu | Chithunzi cha ASTM B983 |
Kupanga | Chithunzi cha ASTM B637 |