Refractaloy 26 ndi Fe - NI - Co - Cr mpweya wowumitsa mtundu wa mapindidwe amtundu wa kutentha kwambiri, kugwiritsa ntchito nthawi yayitali C - 570 ℃ kutentha kwa 540 ℃, kutentha kwambiri kumatha kufika 677 C, kuwonjezera gawo la Cr, mo alloy. kulimbitsa njira yolimba, kutsika kwa titaniyamu, mawonekedwe a aluminiyumu y kukalamba kulimbitsa gawo, pomwe zinthu zobowola zopangidwa ndi titaniyamu, kusungunuka kwa aluminiyamu mu njira yolimba kumachepetsedwa, kumapangitsa kuti y gawo la mpweya likuwonjezeke, kuti apititse patsogolo kutentha kwa y, kuchepetsa y 'gawo la stacking zolakwa mphamvu.
Zophatikizika za aloyi ndizopambana, zokhala ndi kukana kolimba kwambiri, kupumula mwamphamvu komanso kukana kukwawa, palibe kukhudzika kwa notch.
Aloyi | % | Ni | Cr | Fe | Mo | P | Co | C | Mn | Si | S | B | Al | Ti |
Refractaloy 26 | Min. | 35.0 | 16.0 | bala | 2.5 | - | 18.0 | - | - | - | - | 0.001 | - | 2.5 |
Max. | 39.0 | 20.0 | 3.5 | 0.03 | 22.0 | 0.08 | 1.0 | 1.5 | 0.03 | 0.01 | 0.25 | 3.0 |
Kuchulukana | 8.2g/cm³ |
Malo osungunuka | 1200 ℃ |
Mkhalidwe | Kulimba kwamakokedwe Rm N/mm² | Zokolola mphamvu Rp 0. 2N/mm² | Elongation Monga% | Brinell kuuma HB |
Yankho + Kukalamba | 1000 | 550 | 20 | 331-262 ( 26-35.5 ) |
Aloyi yakhala ikugwiritsidwa ntchito popanga mpanda wa turbine pansi pa nthunzi, pansi pa nthunzi ya 540 ℃ ~ 570 ℃ imatha kugwira ntchito kwa maola oposa 100,000, kugwiritsa ntchito bwino. ndi masambaThe aloyi aloyi ali plasticity wabwino pa sing'anga kutentha, amene angathe kuchepetsa kuthyoka kwa mbali chifukwa durability ndi kukwawa ntchito kwa nthawi yaitali. kutentha osiyanasiyana