Aluminium Fin Alloy FA 6825 H14SR

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Description

A strong material with good sag resistance. This alloy is suited for controlled atmosphere brazing.


The FA68XX alloy family is a reliable and thoroughly evaluated fin alloy family that is characterised by a high post braze strength, and a good sagging resistance during brazing. The alloy is designed to form large grains during brazing, which is beneficial for the sagging behaviour and hinders braze metal penetration into the core. The high manganese and silicon content contribute to a higher strength after brazing. The corrosion resistance of the fin alloys is good, with a low self corrosion rate. FA68xx is available in four different zinc levels to allow for a tailored cathodic protection of tubes and fillets.


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Gränges products

Equivalent Materials

Los datos sobre este material han sido proporcionados por Gränges.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

Ashby charts

Propiedades

Medidas

PropertyValue

Dimensions

<p>Standard process capabilities:</p> <p>Width: 10-1400mm</p> <p>Thickness 0.050-3.18mm</p>

Mecánica

PropertyValueComment

Límite elástico

161 MPa

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RP02

Resistencia a la tracción

180 - 220 MPa

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Aplicaciones térmicas

PropertyValue

Eléctrico

PropertyValueComment

Potencial de corrosión

-880 mV

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Resistividad eléctrica

3.4e-08 - 4.3e-08 Ω·m

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Changes depending on temper

Chemical properties

PropertyValue

Aluminio

Balance

Circonio

0.05 - 0.2 %

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Cobre

0 - 0.05 %

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Hierro

0 - 0.4 %

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Magnesio

0 - 0.05 %

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Manganeso

1.4 - 1.8 %

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Silicona

0.65 - 1 %

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Zinc

2.3 - 2.7 %

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Technological properties

Property
Application areas

Automotive, Heat Exchangers

Processing history

Temper: H14SR