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Fe-Cr-Al High-temp. Wire

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seat: Beijing
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Last update: 2017-12-26 07:35
Browse the number: 52
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Technical parameters of Fe-Cr-Al high-temperature wire Table:

Material/performance OCr21AL6Nb OCr27ALMo2
Main Chemical
Composition
Cr 21.0-23.0 26.5-27.8
Al 5.0-7.0 6.0-7.0
Re opportune opportune
Fe Rest Rest
Nb0.5 Mo1.8-2.2
Max.continuous service temp.of element
(ºC) 1350 1400
Resistivity at 20ºC (μΩ·m) 1.45 1.53
Density(g/cm3) 7.10 7.10
Thermal conductivity (KJ/m·h·ºC) 46.1 45.2
Coefficient of lines expansion
(α×10-6/ºC) 16.0 16.0
Melting point ( ºC) 1510 1520
Tensile strength 650-800 680-830
Elongation at rupture (%) >12 >10
Variation of area (%) 65-75 65-75
Repeat bending Frequency (F/R) >5 >5
Hardness(H.B.) 200-260 200-260
Micrographic structure Ferrite Ferrite
Magnetic properties Magnetic Magnetic
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