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Model No. : | 0Cr21Al6Nb |
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Brand Name : | HY |
Product description
Fe-Cr-Al Main performance of Fe-Cr-Al electric heating alloys | ||||||||
Grade property performance | 1Cr13Al4 | 0Cr21Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | 0Cr23Al5 | |
% Main Chemical Composition | Cr | 12~15 | 17~21 | 23~26 | 19~22 | 21~23 | 26.5~27.8 | 20.5~23.5 |
Al | 4~6 | 2~4 | 4.5~5.5 | 5~7 | 5~7 | 6~7 | 4.2~5.3 | |
Fe | Balance | Balance | Balance | Balance | Balance | Balance | Balance | |
Mn | ≤0.7 | ≤0.7 | ≤0.7 | ≤0.7 | ≤0.7 | ≤0.2 | ≤0.7 | |
Nb | — | — | — | — | 0.5 | — | — | |
°C Max contimnous service Temp. of element | 950 | 1100 | 1250 | 1250 | 1350 | 1400 | 1250 | |
Resistivity mm2/m | 1.25±0.08 | 1.23±0.06 | 1.42±0.07 | 1.42±0.07 | 1.45±0.07 | 1.53±0.07 | 1.35±0.06 | |
10-5/°C Temp coeff of resistance | 15 | 5 | 5 | 5 | 5 | -1 | 5 | |
g/cm3 Density | 7.4 | 7.35 | 7.1 | 7.1 | 7.1 | 7.1 | 7.25 | |
Melting point≈ °C (approxi) | 1450 | 1500 | 1500 | 1500 | 1510 | 1520 | 1500 | |
Tensile strength N/mm2 | 588~735 | 637~784 | 637~784 | 637~784 | 637~784 | 686~784 | 637~784 | |
% Elongation | >16 | >14 | >12 | >12 | >12 | >12 | >12 | |
% Reducation of Area | 65~75 | 65~75 | 65~75 | 65~75 | 65~75 | 65~75 | 65~75 | |
Hardness(HB) | 200~260 | 200~260 | 200~260 | 200~260 | 200~260 | 200~260 | 200~260 | |
Micrograhic structure | Free Ferrite | Free Ferrite | Free Ferrite | Free Ferrite | Free Ferrite | Free Ferrite | Free Ferrite | |
Magnetic property | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic |
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