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4047 aluminum filler rod

Author: frank   Time:2020-09-28   Source:未知

4047 aluminum filler rod

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Introduction of 4047 aluminum filler rod
4047 aluminum filler rod is an aluminum-silicon alloy welding wire with 11% silicon, with a melting point of 573-625°C, good fluidity, strong thermal crack resistance, but insufficient ductility. Due to the high silicon content, it is easy to generate brittle Mg2Si in the weld when used for welding of high-magnesium alloys, which reduces the plasticity and corrosion resistance of the joint. In addition, the color of the weld surface is dark, and the color of the base material after anodization is different.
 
Chemical composition of 4047 aluminum filler rod
Si: 11.0
Fe: 0.8
Cu: 0.3
Mn: 0.15
Mg: 0.1
Cr:-
Ni:-
Zn: 0.2
Ti:-
Zr-
Al: margin
Single: 0.05~0.15
 
Use of 4047 aluminum filler rod: used as a filler material for argon arc welding and gas welding of aluminum alloy workpieces and castings other than aluminum-magnesium alloys. Commonly used for welding 600 series aluminum alloys such as 6061, 3000 series and 2000 series aluminum alloys and cast aluminum. It is widely used in railway locomotive, chemical, food and other industries.

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