Analisis Nominal
27.00 Cr, 7.00 Al, 2.00 Mo, Bal. Fe
Suhu kerja kontinyu maksimum: 1400 C.
Diameter kawat: 0.5 ~ 12mm
Suhu lebur: 1520 C
Resistivitas listrik: 1,53 ohm mm2 / m
Wis digunakake sacara ekstensif minangka unsur pemanas ing tungku industri lan kiln listrik.
Nduweni kekuatan kurang panas tinimbang wesi Tophet nanging titik leleh luwih dhuwur.
| Komposisi Kimia lan Sifat Utama Fe-Cr-Al Resistance Alloy | ||||||||
| Properties \ Grade | 1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 0Cr21Al4 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
| Komposisi Kimia Utama (%) | Cr | 12.0-15.0 | 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 | 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 | pas | pas | pas | pas | pas | pas | pas | |
| Fe | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | |
| Nb0.5 | Mo1.8-2.2 | |||||||
| Suhu Layanan Terus-terusan Maks (oC) | 950 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
| Resisivity 20oC (Ω mm2/m) | 1.25 ± 0,08 | 1.42 ± 0,06 | 1.42 ± 0,07 | 1.35 ± 0,07 | 1.23 ± 0,07 | 1.45 ± 0,07 | 1.53 ± 0,07 | |
| Kapadhetan (g/cm3) | 7.4 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 | |
| Konduktivitas termal | 52.7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | 45.2 | |
| (KJ/m@ h@ oC) | ||||||||
| Koefisien Ekspansi Termal (α × 10-6/oC) | 15.4 | 16 | 14.7 | 15 | 13.5 | 16 | 16 | |
| Perkiraan Titik Lebur (oC) | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
| Kekuwatan Tarik (N/mm2) | 580-680 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 | |
| Elongasi (%) | > 16 | > 12 | > 12 | > 12 | > 12 | > 12 | > 10 | |
| Variasi bagean | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
| Tingkat Nyusut (%) | ||||||||
| Frekuensi Bengkok Berulang (F/R) | > 5 | > 5 | > 5 | > 5 | > 5 | > 5 | > 5 | |
| Kekerasan (HB) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
| Wektu Layanan Terus-terusan | no | ≥ 80/1300 | ≥ 80/1300 | ≥ 80/1300 | ≥ 80/1250 | ≥ 50/1350 | ≥ 50/1350 | |
| Struktur Mikrografi | ferit | ferit | ferit | ferit | ferit | ferit | ferit | |
| Sifat Magnetik | Magnetik | Magnetik | Magnetik | Magnetik | Magnetik | Magnetik | Magnetik | |
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