Iron Chrome Aluminum (FeCrAl) alloys kayan juriya ne da aka saba amfani da su a aikace-aikace tare da matsakaicin yanayin aiki har zuwa 1,400°C (2,550°F).
Wadannan Ferritic gami an san su da mafi girma surface loading damar, mafi girma resistivity da ƙananan yawa fiye daNickel Chrome(NiCr) madadin waɗanda zasu iya fassara zuwa ƙarancin abu a aikace-aikace da tanadin nauyi. Matsakaicin yanayin zafi na aiki kuma na iya haifar da rayuwa mai tsayi. Iron Chrome Aluminum alloys suna yin launin toka mai haske Aluminum Oxide (Al2O3) a yanayin zafi sama da 1,000°C (1,832°F) wanda ke ƙara juriya na lalata kuma yana aiki azaman insulator na lantarki. Samuwar oxide ana ɗaukarsa mai ɗaukar kansa kuma yana ba da kariya daga gajeriyar kewayawa a cikin yanayin haɗin ƙarfe zuwa ƙarfe. Iron Chrome Aluminum gami suna da ƙananan ƙarfin inji idan aka kwatanta da suNickel Chromekayan da ƙananan ƙarfi mai rarrafe.
Daraja | 1Cr13Al4 | TK1 | 0Cr25Al5 | 0Cr20Al6RE | 0Cr23Al5 | 0Cr19Al3 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
Abun ƙima% | 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 | dama | 0.04-1.0 | dama | dama | dama | dama | dama | dama | |
Fe | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | ||
Nb0.5 | Mo1.8-2.2 | ||||||||
Matsakaicin zafin aiki (°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 | |
Girma (g/cm³) | 7.4 | 7.1 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 | |
Thermal Conductivity a 20 ℃, W/(M·K) | 0.49 | 0.49 | 0.46 | 0.48 | 3.46 | 0.49 | 0.49 | 0.49 | |
Ƙididdigar Faɗaɗɗen Layi (× 10n6/℃) 20-1000℃) | 15.4 | 16 | 16 | 14 | 15 | 13.5 | 16 | 16 | |
Kimanin Wurin narkewa(℃) | 1450 | 1520 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
Ƙarfin Tensile (N/mm2) | 580-680 | 680-830 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 | |
Tsawaita(%) | › 16 | ›10 | › 12 | › 12 | › 12 | › 12 | › 12 | ›10 | |
Ƙimar Rage Bambancin Sashe (%) | 65-75 | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
Mitar Lanƙwasa akai-akai (F/R) | ›5 | ›5 | ›5 | ›5 | ›5 | ›5 | ›5 | ›5 | |
Hardness (HB) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
Tsarin Micrographic | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | |
Abubuwan Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | |
Rayuwa mai sauri (h/℃) | no | ≥80/1350 | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥80/1250 | ≥50/1350 | ≥50/1350 |
150 000 2421