Alkrothal 720 No.1 Jr Fecral Aloi kanggo Resistor Brek
Alkrothal 720 No.1 JrKanggo Resistor Brek
Aplikasi khas Alkrothal 720 ana ing rheostats, resistor ngeret, lan liya-liyane uga digunakake minangka unsur pemanasan listrik ing aplikasi industri.
Alkrothal 720 minangka wesi ferritik-kromium-aloi aluminium (aloi fecral) kanggo digunakake ing suhu nganti 1000 ° F).
Analisis Nominal
| Cr | Al | Fe |
| 12.0 ~ 15.0 | 4.0 ~ 6.0 | Balance |
Properties Teknik
| Suhu layanan terus maksimal: Resisivitas 20ºC: Kapadhetan: Konduktivitas termal: Koefisien ekspansi termal: Titik lebur: Elongasi: Struktur mikrofik: Properti Magnetik: | 950ºC 1.25OHM MM2 / m 7.40g / cm3 52,7 kJ / m · h ·c 15.4 × 10-6 / ºc (20ºC ~ 1000ºC) 1450ºC Min 16% Ferrite Magnetik |
Ukuran: kekandelan 0,01-7mm, ambane 0.5-1000mm
Lumahing: ba, 2b
Hardness: alus, setengah hard, hard
Wis digunakake kanthi ekstensif minangka responor rem bakar lan unsur pemanasan tungku.
Nduwe kekuatan sing kurang panas tinimbang tophet wesi nanging titik lebur sing luwih dhuwur.
Shanghai Takiii Alloy material Co, Ltd
Produsen Aloi Fecral lan Allotrie ing China, paling profesional ing jagad iki
Kita uga ngasilake gelar ing ngisor iki:
0cr15al5 lan 0cr19al3, lsp.
| Komposisi Kimia lan Properti Utama Aloi Rintangan Fe-CR-Aling | ||||||||
| Properties Kelas | 1cr13al4 | 0cr2RA5AL5 | 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 | Opportune | Opportune | Opportune | Opportune | Opportune | Opportune | Opportune | |
| Fe | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | |
| Nb0.5 | MO1.8-2.2 | |||||||
| Suhu layanan layanan maksimal (OC) | 950 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
| Resisivitas 20Oc (ωmm2 / 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 | 4.2 | |
| (Kj / m @ h @ oc) | ||||||||
| Coefisien ekspansi termal (α × 10-6 / oc) | 15.4 | 16 | 14,7 | 15 | 13.5 | 16 | 16 | |
| Kira-kira titik leleh (OC) | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
| Kekuwatan tensile (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 | |
| Tarif nyusut (%) | ||||||||
| Bola-bali bengkok frekuensi (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 | no | ≥80 / 1300 | ≥80 / 1300 | ≥80 / 1300 | ≥80 / 1250 | ≥50 / 1350 | ≥50 / 1350 | |
| Struktur micrographic | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | |
| Properti Magnetik | Magnetik | Magnetik | Magnetik | Magnetik | Magnetik | Magnetik | Magnetik | |
