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

Diese Materialdaten wurden von Gränges zur Verfügung gestellt

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Ashby charts

Eigenschaften

Abmessung

PropertyValue

Dimensions

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

Mechanisch

PropertyValueComment

Streckgrenze

161 MPa

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RP02

Zugfestigkeit

180 - 220 MPa

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Thermisch

PropertyValue

Elektrisch

PropertyValueComment

Korrosionspotenzial

-880 mV

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spezifischer Widerstand

3.4e-08 - 4.3e-08 Ω·m

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Changes depending on temper

Chemical properties

PropertyValue

Aluminium

Balance

Eisen

0 - 0.4 %

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Kupfer

0 - 0.05 %

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Magnesium

0 - 0.05 %

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Mangan

1.4 - 1.8 %

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Silizium

0.65 - 1 %

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Zink

2.3 - 2.7 %

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Zirkonium

0.05 - 0.2 %

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Technological properties

Property
Application areas

Automotive, Heat Exchangers

Processing history

Temper: H14SR