ʻO OCr21Al4 kekahi ʻano mea maʻamau o ka hui Fe-Cr-Al.
ʻO ke kola FeCrAl ka hiʻohiʻona o ke kū'ē kiʻekiʻe, ke koina pale wela haʻahaʻa, ka mahana hana kiʻekiʻe, ka anti-oxidation maikaʻi a me ka anti-corrosion ma lalo o ke ana wela kiʻekiʻe.
Hoʻohana nui ʻia ia i ka umu ʻoihana, nā lako hale, ka umu ʻoihana, ka metallurgy, nā mīkini, nā mokulele, nā kaʻa, nā pūʻali koa a me nā ʻoihana ʻē aʻe e hana ana i nā mea hoʻomehana a me nā mea kū'ē.
Nā moʻo hui FeCrAl: OCr15Al5, 1Cr13Al4, 0Cr21Al4, 0Cr21Al6, 0Cr25Al5, 0Cr21Al6Nb, 0Cr27Al7Mo2, a pēlā aku.
Ka laulā ana o ka nui:
Uea: 0.01-10mm
Nā lipine: 0.05 * 0.2-2.0 * 6.0mm
Kaha: 0.05 * 5.0-5.0 * 250mm
Pā: 10-50mm
Nā kikoʻī
| Hana Hoʻohanohano Alloy | 0Cr21Al4 | |
| ʻO ka haku mele kemika nui | Cr | 18.0-21.0 |
| Al | 3.0-4.2 | |
| Re | kūpono | |
| Fe | Hoʻomaha | |
| Ka mahana lawelawe mau loa o ka element (°C) | 1100 | |
| Ke kū'ē ʻana ma 20ºC (μΩ·m) | 1.23 | |
| Ka nui (g/cm3) | 7.35 | |
| Ka hoʻokele wela (KJ/m·h·ºC) | 46.9 | |
| Ka helu o ka hoʻonui ʻana o nā laina (α × 10-6 / ºC) | 13.5 | |
| Wahi hoʻoheheʻe kokoke. (ºC) | 1500 | |
| Ikaika tensile (N/mm2) | 600-700 | |
| Elongation ma ka haki ʻana (%) | >14 | |
| ʻOkoʻa o ka ʻāpana (%) | 65-75 | |
| Hana hou i ke alapine kūlou (F/R) | >5 | |
| Paʻakikī (HB) | 200-260 | |
| ka manawa lawelawe mau (Nā hola/ ºC) | ≥80/1250 | |
| ʻAno hana micrographic | Ferrite | |
| Nā waiwai makeneka | Mākēneki | |
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