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Aluminium Alloy FA7929 H24

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Description

A high strength Mg free tube alloy suited for controlled atmosphere brazing.

Properties

Material Information

Dimension

Standard process capabilities: width 10-1400mm; thickness 0.050-3.18mm

Mechanical

Elongation A50 A50

8 % at 20 °C

Tensile strength Rm

160 - 220 MPa at 20 °C

Yield strength Rp0.2 Rp0.2

160 MPa at 20 °C

Chemical properties

Element

Weight %

Comment

Al

-

balance

Mn

1.2 - 1.6 %

Cu

0.4 - 0.7 %

Si

0.4 - 0.8 %

Fe

0.1 - 0.5 %

More

Technological properties

Corrosion properties

Corrosion potential after brazing -690 mV vs SCE

Other

The FA7929 alloy is designed as a high strength alloy with good corrosion resistance suitable for welded or folded tubes. In combination with suitable n-, header- and side plate alloys this material provides substantial down-gauging opportunities based on its high post braze strength. Furthermore, this product enables easy handling in the heat exchanger production process due to its good formability and outstanding brazeability. The product performance can be further adjusted by adding a sacrificial alloy on the waterside to improve the corrosion resistance.

Processing history

Temper: H24

This material data has been provided by Gränges.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.