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Fe-Cr-Al alloy kalawan résistansi tinggi na suhu serviceability ti éta pikeun alloy NiCr sarta ogé boga harga handap. Aplikasi:
Ironr-chrome-aluminium electrie esistorstipis wmidly dipaké pikeun nyieun elemen pemanasan éléktrik dina alat-alat imah jeung fmaces imdustial, pid appicatons rons lemak, mesin ion, naterheater, plastiolding paeh, soldering irons, logam sheathed tubular elemen jeung elemen cartridge. Kandungan Kimia% bahan alloy | Komposisi kimia% |
C | P | S | Mn | Si | Cr | Ni | Al | Fe | Lain |
max (≦) |
1Cr13Al4 | 0.12 | 0,0025 | 0,0025 | 0.7 | ≦1.00 | 12.5-15.0 | - | 3.5-4.5 | Istirahat | - |
0Cr15Al5 | 0.12 | 0,0025 | 0,0025 | 0.7 | ≦1.00 | 14.5-15.5 | - | 4.5-5.3 | Istirahat | - |
0Cr25Al5 | 0.06 | 0,0025 | 0,0025 | 0.7 | ≦0,60 | 23.0-26.0 | ≦0,60 | 4.5-6.5 | Istirahat | - |
0Cr23Al5 | 0.06 | 0,0025 | 0,0025 | 0.7 | ≦0,60 | 20.5-23.5 | ≦0,60 | 4.2-5.3 | Istirahat | - |
0Cr21Al6 | 0.06 | 0,0025 | 0,0025 | 0.7 | ≦1.00 | 19.0-22.0 | ≦0,60 | 5.0-7.0 | Istirahat | - |
0Cr19Al3 | 0.06 | 0,0025 | 0,0025 | 0.7 | ≦1.00 | 18.0-21.0 | ≦0,60 | 3.0-4.2 | Istirahat | - |
0Cr21Al6Nb | 0.05 | 0,0025 | 0,0025 | 0.7 | ≦0,60 | 21.0-23.0 | ≦0,60 | 5.0-7.0 | Istirahat | Nb tambihan0,5 |
0Cr27Al7Mo2 | 0.05 | 0,0025 | 0,0025 | 0.2 | ≦0.40 | 26.5-27.8 | ≦0,60 | 6.0-7.0 | Istirahat | |
Kelas | 1Cr13Al4 | TK1 | 0Cr25Al5 | 0Cr20Al6RE | 0Cr23Al5 | 0Cr19Al3 | 0Cr21Al6Nb | 0Cr27Al7Mo2 |
Komposisi nominal% | Cr | 12.0-15.0 | 22.0-26.0 | 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 | 5.0-7.0 | 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 | kasempetan | 0.04-1.0 | kasempetan | kasempetan | kasempetan | kasempetan | kasempetan | kasempetan |
Fe | Bal. | | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. |
| | | | | | | Nb0.5 | Mo1.8-2.2 |
Suhu operasi maksimum (°C) | 650 | 1400 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 |
Résistivitas 20 ℃ (Ω/mm2/m) | 1.25 | 1.48 | 1.42 | 1.40 | 1.35 | 1.23 | 1.45 | 1.53 |
Kapadetan (g/cm³) | 7.4 | 7.1 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 |
Konduktivitas termal dina 20 ℃, W / (M·K) | 0.49 | 0.49 | 0.46 | 0.48 | 3.46 | 0.49 | 0.49 | 0.49 |
Koéfisién Ékspansi Linier (× 10°6 / ℃) 20-1000 ℃) | 15.4 | 16 | 16 | 14 | 15 | 13.5 | 16 | 16 |
Perkiraan Titik Lebur (℃) | 1450 | 1520 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 |
Kakuatan Tensile (N/mm2) | 580-680 | 680-830 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 |
Elongation(%) | › 16 | › 10 | › 12 | › 12 | › 12 | › 12 | › 12 | › 10 |
Bagéan Variasi Laju Ngaleutikan(%) | 65-75 | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 |
Frekuensi Ngabengkokkeun sababaraha kali (F/R) | ›5 | ›5 | ›5 | ›5 | ›5 | ›5 | ›5 | ›5 |
Teu karasa (HB) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 |
Struktur Mikrografi | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite |
Harta magnét | Magnét | Magnét | Magnét | Magnét | Magnét | Magnét | Magnét | Magnét |
Kahirupan Gancang (h/℃) | no | ≥80/1350 | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥80/1250 | ≥50/1350 | ≥50/1350 |
saméméhna: NiCr 80/20 Kawat Semprot Termal pikeun Semprotan Arc: Solusi Palapis Kinerja Tinggi Teras: Nikel Alloy Hastelloy C276 Ernicrmo-4 Las MIG TIG Las Inconel C-276 C22, B3, B2 Kawat