Piv rau NiCr alloy, Fe-Cr-Al alloy muaj kev tiv thaiv zoo dua, siab tshaj qhov kev pabcuam kub, thiab tus nqi qis dua.
Daim ntawv thov:
Ironr-chrome-aluminium electrie esistorstipis wmidely siv los ua cov khoom siv hluav taws xob hauv tsev thiab imdustial fmaces, pid appicatonsarefat rons, ioningmachines, naterheater, plastimoulding tuag, soldering irons, hlau sheathed tubular ntsiab thiab cartridge ntsiab.
Qib | 1Cr13Al4 | TK 1 | 0c25l 5 | 0Cr20Al6RE | 0c23l 5 | 0c19l 3 | 0Cr21Al6 Nb | 0Cr27Al7Mo2 | |
Nominal muaj pes tsawg leeg% | Cr | 12.0-15.0 Nws | 22.0-26.0 Nws | 23.0-26.0 Nws | 19.0-22.0 Nws | 22.5-24.5 Nws | 18.0-21.0 Nws | 21.0-23.0 Nws | 26.5-27.8 Nws |
Al | 4.0-6.0 | 5.0-7.0 Nws | 4.5-6.5 | 5.0-7.0 Nws | 4.2-5.0 | 3.0-4.2 | 5.0-7.0 Nws | 6.0-7.0 Nws | |
Re | muaj caij nyoog | 0.04-1.0 | muaj caij nyoog | muaj caij nyoog | muaj caij nyoog | muaj caij nyoog | muaj caij nyoog | muaj caij nyoog | |
Fe | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | ||
n0.5 ib | Mo1.8-2.2 | ||||||||
Max ua haujlwm kub (°C) | 650 | 1400 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
Kev tiv thaiv 20 ℃ (Ω / mm2 / m) | 1.25 | 1.48 ib | 1.42 ib | 1.40 Nws | 1.35 Nws | 1.23 | 1.45 Nws | 1.53 ib | |
Qhov ceev (g / cm³) | 7.4 ib | 7.1 | 7.1 | 7.16 | 7.25 Nws | 7.35 Nws | 7.1 | 7.1 | |
Thermal conductivity ntawm 20 ℃, W / (M·K) | 0.49 ib | 0.49 ib | 0.46 ib | 0.48 ib | 3.46 ib | 0.49 ib | 0.49 ib | 0.49 ib | |
Linear Expansion Coefficient (× 10¯6 / ℃) 20-1000 ℃) | 15.4 ib | 16 | 16 | 14 | 15 | 13.5 Nws | 16 | 16 | |
Kwv yees Melting Point (℃) | 1450 | 1520 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
Tensile zog (N / mm2) | 580-680 : kuv | 680-830 : kuv | 630-780 : kuv | 630-780 : kuv | 630-780 : kuv | 600-700 Nws | 650-800 Nws | 680-830 : kuv | |
Elongation (%) | › 16 | › 10 | › 15 | › 15 | › 15 | › 15 | › 12 | › 10 | |
Tshooj Variation Shrink Rate (%) | 65-75 : kuv | 65-75 : kuv | 60-75 : kuv | 65-75 : kuv | 65-75 : kuv | 65-75 : kuv | 65-75 : kuv | 65-75 : kuv | |
Repeedly Khoov zaus (F / R) | › 5 | › 5 | › 5 | › 5 | › 5 | › 5 | › 5 | › 5 | |
Hardness (HB) | 200-260 Nws | 200-260 Nws | 200-260 Nws | 200-260 Nws | 200-260 Nws | 200-260 Nws | 200-260 Nws | 200-260 Nws | |
Micrographic Structure | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | |
Magnetic Property | Sib nqus | Sib nqus | Sib nqus | Sib nqus | Sib nqus | Sib nqus | Sib nqus | Sib nqus | |
Lub neej ceev (h / ℃) | no | ≥80/1350 | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥80/1250 | ≥50/1350 | ≥50/1350 |