Mixtura Fe-Cr-Al cum resistivitate et temperatura serviendi alta quam mixtura NiCr, et etiam pretio minore.
Applicationes
Lamina resistorum electricorum ferri-chromi-aluminii late adhibetur ad fabricanda elementa calefactionis electricae in apparatibus domesticis et caminis industrialibus. Usus typici sunt ferra plana, machinae ad vestes ad vestes adstringendas, calefactores aquae, formae plasticae ad formam fingendam, ferra ad soldandum, elementa tubularia metallica et elementa cartuchos.
Area applicationis
Nostra producta late in apparatu curationis caloris, partibus autocineticis, fabricatione ferri et chalybis adhibentur,
industria aluminii, apparatus metallurgicus, apparatus petrochemicus, machinae vitrariae, machinae ceramicae,
Machinae cibariae, machinae pharmaceuticae, et industria energiae electricae.
Contentum Chemicum, %
Materia mixturae | Compositio chemica % | |||||||||
C | P | S | Mn | Si | Cr | Ni | Al | Fe | alii | |
maximum (≤) | ||||||||||
1Cr13Al4 | 0.12 | 0.025 | 0.025 | 0.7 | ≤1.00 | 12.5-15.0 | - | 3.5-4.5 | Requies | - |
0Cr15Al5 | 0.12 | 0.025 | 0.025 | 0.7 | ≤1.00 | 14.5-15.5 | - | 4.5-5.3 | Requies | - |
0Cr25Al5 | 0.06 | 0.025 | 0.025 | 0.7 | ≤0.60 | 23.0-26.0 | ≤0.60 | 4.5-6.5 | Requies | - |
0Cr23Al5 | 0.06 | 0.025 | 0.025 | 0.7 | ≤0.60 | 20.5-23.5 | ≤0.60 | 4.2-5.3 | Requies | - |
0Cr21Al6 | 0.06 | 0.025 | 0.025 | 0.7 | ≤1.00 | 19.0-22.0 | ≤0.60 | 5.0-7.0 | Requies | - |
0Cr19Al3 | 0.06 | 0.025 | 0.025 | 0.7 | ≤1.00 | 18.0-21.0 | ≤0.60 | 3.0-4.2 | Requies | - |
0Cr21Al6Nb | 0.05 | 0.025 | 0.025 | 0.7 | ≤0.60 | 21.0-23.0 | ≤0.60 | 5.0-7.0 | Requies | Numerus numericus addendum 0.5 |
0Cr27Al7Mo2 | 0.05 | 0.025 | 0.025 | 0.2 | ≤0.40 | 26.5-27.8 | ≤0.60 | 6.0-7.0 | Requies |
Proprietates technicae principales mixturae FeCrAl:
Nota Possessio | 1Cr13Al4 | 1Cr21Al4 | 0Cr21Al6 | 0Cr23Al5 | 0Cr25Al5 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
Pars chemica maioris% | Cr | 12.0-12.5 | 17.0-21.0 | 19.0-22.0 | 20.5-23.5 | 23.0-26.0 | 21.0-23.0 | 26.5-27.8 |
Al | 4.0-6.0 | 2.0-4.0 | 5.0-7.0 | 4.2-5.3 | 4.5-6.5 | 5.0-7.0 | 6.0-7.0 | |
Fe | Aequilibrium | Aequilibrium | Aequilibrium | Aequilibrium | Aequilibrium | Aequilibrium | Aequilibrium | |
Re | Aptus | Aptus | Aptus | Aptus | Aptus | Aptus | Aptus | |
Numerus Additionis: 0.5 | Additio Mo:1.8-2.2 | |||||||
Temperatura maxima usus componentium | 950 | 1100 | 1250 | 1250 | 1250 | 1350 | 1400 | |
Punctum Liquefactionis | 1450 | 1500 | 1500 | 1500 | 1500 | MDX | MDX | |
Densitas g/cm³ | 7.40 | 7.35 | 7.16 | 7.25 | 7.10 | 7.10 | 7.10 | |
Resistivitas μΩ·m,20 | 1.25±0.08 | 1.23±0.06 | 1.42±0.07 | 1.35±0.06 | 1.45±0.07 | 1.45±0.07 | 1.53±0.07 | |
Robur Tensilis Mpa | 588-735 | 637-784 | 637-784 | 637-784 | 637-784 | 637-784 | 684-784 | |
Ratio extensionis% | 16 | 12 | 12 | 12 | 12 | 10 | ||
Frequentia flexionis repetitae | 5 | 5 | 5 | 5 | 5 | |||
Celeris elevatio h/ | - | 80/1300 | 80/1300 | 50/1350 | ||||
Calor Specificus J/g. | 0.490 | 0.490 | 0.520 | 0.460 | 0.494 | 0.494 | 0.494 | |
Coefficiens Conductionis Caloris KJ/Mh | 52.7 | 46.9 | 63.2 | 60.1 | 46.1 | 46.1 | 45.2 | |
Coefficiens expansionis linearis aX10⁻⁶ (XX-MILLE) | 15.4 | 13.5 | 14.7 | 15.0 | 16.0 | 16.0 | 16.0 | |
Duritia HB | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
Microstructura | Ferriticum | Ferriticum | Ferriticum | Ferriticum | Ferriticum | Ferriticum | Ferriticum | |
Magneticus | Magneticus | Magneticus | Magneticus | Magneticus | Magneticus | Magneticus | Magneticus |