Ma aluminiyamu a Iron Chrome Aluminium (FeCrAl) ndi zinthu zolimba kwambiri zomwe zimagwiritsidwa ntchito m'malo omwe kutentha kwake kumafika pa 1,400°C (2,550°F).
Ma alloys a Ferritic awa amadziwika kuti ali ndi mphamvu yayikulu yokweza katundu pamwamba, kukana kwambiri komanso kutsika kwa kachulukidwe kuposaNikeli Chrome(NiCr) njira zina zomwe zingathandize kuti zinthu zisamagwiritsidwe ntchito kwambiri komanso kuchepetsa kulemera. Kutentha kwakukulu kogwira ntchito kungayambitsenso moyo wautali wa zinthu. Ma aluminiyamu a Iron Chrome Aluminium amapanga Aluminium Oxide (Al2O3) yopepuka yotuwa pa kutentha kopitilira 1,000°C (1,832°F) yomwe imawonjezera kukana dzimbiri komanso imagwira ntchito ngati chotetezera magetsi. Kupanga kwa oxide kumaonedwa kuti kumadziteteza ndipo kumateteza ku kusokonekera kwa magetsi ngati chitsulo chikakhudzana ndi chitsulo. Ma aluminiyamu a Iron Chrome Aluminium ali ndi mphamvu zochepa zamakaniko poyerekeza ndiNikeli Chromezipangizo komanso mphamvu yochepa yokwera.
| Giredi | 1Cr13Al4 | TK1 | 0Cr25Al5 | 0Cr20Al6RE | 0Cr23Al5 | 0Cr19Al3 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
| Zipangidwe zodziwika% | Cr | 12.0-15.0 | 22.0-26.0 | 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 | 5.0-7.0 | 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 | mwamwayi | 0.04-1.0 | mwamwayi | mwamwayi | mwamwayi | mwamwayi | mwamwayi | mwamwayi | |
| Fe | Mbala. | Mbala. | Mbala. | Mbala. | Mbala. | Mbala. | Mbala. | ||
| Nb0.5 | Mwezi 1.8-2.2 | ||||||||
| Kutentha kwakukulu kwa ntchito (°C) | 650 | 1400 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
| Kukhazikika kwa kutentha 20℃ (Ω/mm2/m2) | 1.25 | 1.48 | 1.42 | 1.40 | 1.35 | 1.23 | 1.45 | 1.53 | |
| Kuchulukana (g/cm³) | 7.4 | 7.1 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 | |
| Kutentha kwa mpweya pa 20℃,W/(M·K) | 0.49 | 0.49 | 0.46 | 0.48 | 3.46 | 0.49 | 0.49 | 0.49 | |
| Koefficient Yokulitsa Yolunjika (×10¯6/℃)20-1000℃) | 15.4 | 16 | 16 | 14 | 15 | 13.5 | 16 | 16 | |
| Malo Oyerekeza Osungunula (℃) | 1450 | 1520 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
| Mphamvu Yokoka (N/mm2) | 580-680 | 680-830 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 | |
| Kutalika (%) | ›16 | ›10 | ›12 | ›12 | ›12 | ›12 | ›12 | ›10 | |
| Kusintha kwa Gawo Kuchepetsa Chiŵerengero (%) | 65-75 | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
| Kupinda Mobwerezabwereza (F/R) | ›5 | ›5 | ›5 | ›5 | ›5 | ›5 | ›5 | ›5 | |
| Kuuma (HB) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
| Kapangidwe ka Micrographic | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | |
| Katundu wa Maginito | Maginito | Maginito | Maginito | Maginito | Maginito | Maginito | Maginito | Maginito | |
| Moyo Wachangu (h/℃) | no | ≥80/1350 | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥80/1250 | ≥50/1350 | ≥50/1350 | |
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