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Fe-Cr-Al alloy

 

Product Description

Fe-Cr-Al  alloy has the characteristic of high resistivity,low temperature  resistance coefficient,high operating temperature,good anti-oxidation and anti-corrosion  under high temperature.

 

Size dimension range:

Wire: 0.01-10mm

 

Specification

 

Alloy Nomenclature Performance 0Cr21Al6Nb
Main Chemical composition Cr 21.0-23.0
Al 5.0-7.0
Re opportune
Fe Rest
Nb 0.5
Max. continuous service temp. of element(¡ãC) 1350
Resistivity at 20ºC(¦Ì¦¸¡¤m) 1.45
Density(g/cm3) 7.1
Thermal conductivity(KJ/m¡¤h¡¤ºC) 46.1
Coefficient of lines expansion(¦Á¡Á10-6/ºC) 16
Melting point approx.( ºC) 1510
Tensile strength(N/mm2) 650-800
Elongation at rupture(%) >12
Variation of area(%) 65-75
Repeat Bending frequency(F/R) >5
Hardness(H.B.) 200-260
continuous servicetime(Hours/ ºC) ¡Ý50/1350
Micrographic structure Ferrite
Magnetic properties Magnetic

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