X8cral 20-6Ffoil Trosi Catalytig
Dadansoddiad Enwol
21.00 Cr, 6.00 Al, Bal. Fe
Uchafswm tymheredd gweithio parhaus: 1250º C.
Tymheredd Toddi: 1500º C
Trwch 0.05 ~ 0.1mm, lled 1-1000mm
Defnydd: Trawsnewidyddion catalytig
Deunydd 1.4767, DIN 17470
| Enw brand | 1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 0Cr21Al4 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
| Prif gyfansoddiad cemegol% | Cr | 12.0-15.0 | 23.0-26.0 | 19.0-22.0 | 22.5-24.5 | 18.0-21.0 | 21.0-23.0 | 26.5-27.8 |
| Al | 4.0-6.0 | 4.5-6.5 | 5.0-7.0 | 4.2-5.0 | 3.0-4.2 | 5.0-7.0 | 6.0-7.0 | |
| RE | amserol swm | amserol swm | amserol swm | amserol swm | amserol swm | amserol swm | amserol swm | |
| Fe | Gorffwys | Gorffwys | Gorffwys | Gorffwys | Gorffwys | Gorffwys | Gorffwys | |
| Nb0.5 | Mo1.8-2.2 | |||||||
| Uchafswm parhaus tymheredd gwasanaeth elfen (ºC) | 950 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
| Gwrthiant μΩ.m, 20ºC | 1.25 | 1.42 | 1.42 | 1.35 | 1.23 | 1.45 | 1.53 | |
| Dwysedd (g/cm3) | 7.4 | 7.10 | 7.16 | 7.25 | 7.35 | 7.10 | 7.10 | |
| Thermol dargludedd KJ/mhºC | 52.7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | 45.2 | |
| Cyfernod ehangu llinellau α×10-6/ºC | 15.4 | 16.0 | 14.7 | 15.0 | 13.5 | 16.0 | 16.0 | |
| Pwynt toddiºC | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
| Cryfder tynnol Mpa | 580-680 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 | |
| Ymestyn yn rhwygiad % | >16 | >12 | >12 | >12 | >12 | >12 | >10 | |
| Amrywiad o arwynebedd % | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
| Ailadrodd plygu amledd (F/R) | >5 | >5 | >5 | >5 | >5 | >5 | >5 | |
| Caledwch (HB) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
| Micrograffig strwythur | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | |
| Magnetig priodweddau | Magnetig | Magnetig | Magnetig | Magnetig | Magnetig | Magnetig | Magnetig | |
Aloi fecalyn aloi gwresogi trydanol ac ymwrthedd uchel.Aloi fecalgall gyrraedd tymheredd proses o 2192 i 2282 F, sy'n cyfateb i dymheredd gwrthiant oa o 2372 F.
Fe'i defnyddir fel arfer mewn ffwrnais drydanol, hobiau gwydr, gwresogyddion tiwb cwarts, gwrthyddion, trawsnewidydd catalytig, elfennau gwresogi ac ati.
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