FecralRintangan lan Aloi Pemanasan Listrik
Rintangan fecral & aloi pemanasan kanthi karakteristik resistansi dhuwur, koefisien resistensi listrik, suhu operasi sing dhuwur, uga rega sing luwih murah.
Iki digunakake ing tungku listrik industri, peralatan listrik ing omah lan piranti sinar inframerah sing adoh.
Kinerja Nomenclatie Alloy | 1cr13al4 | 0cr2RA5AL5 | 0cr21al6 | 0cr23al5 | 0cr21AL4 | 0cr21al6nB | 0cr27Al7MO2 | |
Komposisi Kimia Utama (%) | Cr | 12.0-15.0 | 23.0-26.0 | 19.0-22.0 | 20.5-23.5 | 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 | 4.2-5.3 | 3.0-4.2 | 5.0-7.0 | 6.0-7.0 | |
Re | Opportune | Opportune | Opportune | Opportune | Opportune | Opportune | Opportune | |
Fe | Istirahat | Istirahat | Istirahat | Istirahat | Istirahat | Istirahat | Istirahat | |
Nb0.5 | MO1.8-2.2 | |||||||
Max. Temp layanan terus-terusan. saka unsur (ºc) | 950 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
Rampung ing 20ºC (· · M) | 1.25 | 1.42 | 1.42 | 1.35 | 1.23 | 1.45 | 1.53 | |
Kapadhetan (g / cm3) | 7.4 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 | |
Konduktivitas termal (Kj / m · h ·c) | 52.7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | 4.2 | |
Koefisien garis ekspansi (α × 10-6 / ºc) | 15.4 | 16 | 14,7 | 15 | 13.5 | 16 | 16 | |
Titik leleh (kira-kira) (ºc) | 1450 | 1500 | 150 | 1500 | 1500 | 1510 | 1520 | |
Kekuwatan tensile (n / mm2) | 580-680 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 | |
Elongasi ing pecah (%) | > 16 | > 12 | > 12 | > 12 | > 12 | > 12 | > 10 | |
Variasi area (%) | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
Frekuensi mlengkung (F / R) | > 5 | > 5 | > 5 | > 5 | > 5 | > 5 | > 5 | |
Hardness (HB) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
Wektu layanan terus (Jam / ºc) | - | ≥80 / 1300 | ≥80 / 1300 | ≥80 / 1300 | ≥80 / 1250 | ≥50 / 1350 | ≥50 / 1350 | |
Struktur micrographic | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | |
Properties Magnetik | Magnetik | Magnetik | Magnetik | Magnetik | Magnetik | Magnetik | Magnetik |
Kawat bunder: Diameter 0.05mm-100mm
Kawat Flat: kekandelan 0.2mm-1.0mm, ambane 0.08mm-40.0mm