Ma aloyi a Iron Chrome Aluminium (FeCrAl) ndi zinthu zosagwira ntchito kwambiri zomwe zimagwiritsidwa ntchito popanga zinthu zomwe zimakhala ndi kutentha kwambiri mpaka 1,400°C (2,550°F).
Ma aloyi a Ferritic awa amadziwika kuti ali ndi kuthekera kokweza pamwamba, kutsika kwambiri komanso kutsika kocheperako kuposaNickel Chrome(NiCr) njira zina zomwe zingatanthauzire kuzinthu zochepa zomwe zimagwiritsidwa ntchito ndikuchepetsa kulemera. Kutentha kwapamwamba kwambiri kungapangitsenso moyo wautali. Iron Chrome Aluminiyamu aloyi amapanga kuwala kotuwa Aluminiyamu Oxide (Al2O3) pa kutentha pamwamba pa 1,000°C (1,832°F) zomwe zimawonjezera kukana dzimbiri komanso zimagwira ntchito ngati chotchingira magetsi. Mapangidwe a okusayidi amaonedwa kuti ndi odziteteza okha ndipo amateteza kufupikitsa kuzungulira pakachitika chitsulo kupita kuzitsulo. Iron Chrome Aluminium alloys ali ndi mphamvu zochepa zamakina poyerekeza ndiNickel Chromezipangizo komanso m'munsi mphamvu zokwawa.
Gulu | 1Cr13Al4 | TK1 | 0Cr25Al5 | Mtengo wa 0Cr20Al6RE | 0Cr23Al5 | 0Cr19Al3 | Mtengo wa 0Cr21Al6Nb | Chithunzi cha 0Cr27Al7Mo2 | |
Zolemba mwadzina% | 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 | mwayi | 0.04-1.0 | mwayi | mwayi | mwayi | mwayi | mwayi | mwayi | |
Fe | Bali. | Bali. | Bali. | Bali. | Bali. | Bali. | Bali. | ||
Nd0.5 | Mo1.8-2.2 | ||||||||
Kutentha kwambiri (°C) | 650 | 1400 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
Resisivity 20℃(Ω/mm2/m) | 1.25 | 1.48 | 1.42 | 1.40 | 1.35 | 1.23 | 1.45 | 1.53 | |
Kachulukidwe (g/cm³) | 7.4 | 7.1 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 | |
Thermal Conductivity pa 20 ℃,W/(M·K) | 0.49 | 0.49 | 0.46 | 0.48 | 3.46 | 0.49 | 0.49 | 0.49 | |
Linear Expansion Coefficient(×10¯6/℃)20-1000℃) | 15.4 | 16 | 16 | 14 | 15 | 13.5 | 16 | 16 | |
Pafupifupi Melting Point(℃) | 1450 | 1520 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
Kulimbitsa Mphamvu (N/mm2) | 580-680 | 680-830 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 | |
Kutalikira (%) | ›16 | ›10 | ›12 | ›12 | ›12 | ›12 | ›12 | ›10 | |
Kusintha kwa Gawo (%) | 65-75 | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
Bend Frequency (F/R) | ›5 | ›5 | ›5 | ›5 | ›5 | ›5 | ›5 | ›5 | |
Kulimba (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 | |
Maginito Katundu | Maginito | Maginito | Maginito | Maginito | Maginito | Maginito | Maginito | Maginito | |
Moyo Wofulumira (h/℃) | no | ≥80/1350 | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥80/1250 | ≥50/1350 | ≥50/1350 |
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