FeCrAlrésistansi tinggi sareng alloy pemanasan listrik
Résistansi FeCrAl & alloy pemanasan kalayan karakteristik résistansi anu luhur, koefisien suhu rendah tina résistansi listrik, suhu operasi anu luhur, résistansi korosi anu saé dina suhu anu luhur, ogé harga anu langkung handap.
Hal ieu loba dipaké dina tungku listrik industri, alat listrik rumah tangga jeung alat sinar infra red jauh.
Performance Nomenclature alloy | 1Cr13Al4 | 0Cr25Al5 | 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 | kasempetan | kasempetan | kasempetan | kasempetan | kasempetan | kasempetan | kasempetan | |
Fe | Istirahat | Istirahat | Istirahat | Istirahat | Istirahat | Istirahat | Istirahat | |
Nb0.5 | Mo1.8-2.2 | |||||||
Max. temp jasa kontinyu. unsur (ºC) | 950 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
Résistansi dina 20ºC (μΩ·m) | 1.25 | 1.42 | 1.42 | 1.35 | 1.23 | 1.45 | 1.53 | |
Kapadetan (g/cm3) | 7.4 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 | |
konduktivitas termal (KJ/m·h·ºC) | 52.7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | 45.2 | |
Koéfisién garis ékspansi (α×10-6/ºC) | 15.4 | 16 | 14.7 | 15 | 13.5 | 16 | 16 | |
Titik lebur (approx.) (ºC) | 1450 | 1500 | 150 | 1500 | 1500 | 1510 | 1520 | |
Kakuatan tegangan (N/mm2) | 580-680 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 | |
Elongation dina beubeulahan (%) | > 16 | > 12 | > 12 | > 12 | > 12 | > 12 | > 10 | |
Variasi wewengkon (%) | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
Frékuénsi ngagulung (F/R) | >5 | >5 | >5 | >5 | >5 | >5 | >5 | |
Teu karasa (HB) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
waktos jasa kontinyu (Jam/ºC) | – | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥80/1250 | ≥50/1350 | ≥50/1350 | |
Struktur mikrografi | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | |
Sipat magnét | Magnét | Magnét | Magnét | Magnét | Magnét | Magnét | Magnét |
kawat buleud: diaméterna 0.05mm-10.0mm
Kawat datar: ketebalan 0.2mm-1.0mm, rubak 0.08mm-40.0mm