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Aluminium Alloy FA7929 H24

Supplied by Gränges
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Gränges
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Description

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

Chemical composition

Element Weight %
Al
balance
Mn 1.2 — 1.6
Si 0.4 — 0.8
Cu 0.4 — 0.7
Fe 0.1 — 0.5
Ti 0.1 — 0.2
Zr 0.0 — 0.1
Zn 0.0 — 0.1

Properties

Mechanical

Elongation A50 [ A50 ]

8.00 %

Tensile strength [ Rm ]

160.00—220.00 MPa

Yield strength Rp0.2 [ Rp0.2 ]

160.00 MPa

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.

Technological properties

Corrosion properties
Corrosion potential after brazing -690 mV vs SCE
Dimension
Standard process capabilities: width 10-1400mm; thickness 0.050-3.18mm
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.

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