AA 5556 Aluminum Alloy
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Family: Aluminum Alloy
Magnesium Alloy (Al-Mg). AA designation 5556.
Performance Ratings
Performance Radar
Composition
Mechanical Properties
| Tensile Strength | 294.0 MPa |
| Yield Strength | 208.0 MPa |
| Hardness (Rockwell) |
Chemical Composition
| Element | Percentage (%) |
|---|---|
| Al | 93,125 |
| Cr | 0,16 |
| Cu | 0,1 |
| Fe | 0,4 |
| Mg | 4,4 |
| Mn | 0,455 |
| Sc | 0,49 |
| Si | 0,225 |
| Ti | 0,125 |
| Zn | 1,94 |
Where to Buy AA 5556 Aluminum Alloy
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Description
AA 5556 is a high-strength aluminum-magnesium welding filler alloy (4.7–5.5% Mg) designed to provide weld joints in 5xxx-series structures with strength matching or exceeding that of the base metal. It offers excellent corrosion resistance in marine environments and good ductility in as-welded condition. Applications include welding filler wire for shipbuilding, LNG storage vessels, cryogenic tanks, and structural marine fabrications.