Isitish qarshilik simi (CrAl14-4)
Nominal tahlil
13.00 Cr, 4.00 Al, Bal. Fe
Maksimal doimiy ish harorati: 950ºC.
Erish harorati: 1450ºC
Elektr qarshiligi: 1,25 ohm mm2/m
Diametri 0,1 mm ~ 12 mm, sim, tayoq, spiral shaklida
Sanoat pechlarida va elektr pechlarida isitish elementlari sifatida keng qo'llanilgan.
Tophet qotishmalariga qaraganda kamroq issiqqa chidamlilikka ega, ammo erish nuqtasi ancha yuqori.
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FeCrAl seriyali simlarining parametrlari
| 1Cr13Al4 | 0.03-12.0 | 1.25±0.08 | 588-735 | >16 | >6 | 950 | >10000 |
| 0Cr15Al5 | 1.25±0.08 | 588-735 | >16 | >6 | 1000 | >10000 | |
| 0Cr25Al5 | 1.42±0.07 | 634-784 | >12 | >5 | 1300 | >8000 | |
| 0Cr23Al5 | 1.35±0.06 | 634-784 | >12 | >5 | 1250 | >8000 | |
| 0Cr21Al6 | 1.42±0.07 | 634-784 | >12 | >5 | 1300 | >8000 | |
| 1Cr20Al3 | 1.23±0.06 | 634-784 | >12 | >5 | 1100 | >8000 | |
| 0Cr21Al6Nb | 1.45±0.07 | 634-784 | >12 | >5 | 1350-yil | >8000 | |
| 0Cr27Al7Mo2 | 0.03-12.0 | 1.53±0.07 | 686-784 | >12 | >5 | 1400 | >8000 |




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