AA 4004 Aluminum Alloy
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Family: Aluminum Alloy
Silicon Alloy (Al-Si). AA designation 4004.
Performance Ratings
Performance Radar
Composition
Mechanical Properties
| Tensile Strength | 189.0 MPa |
| Elongation | 4.5% |
| Hardness (Rockwell) |
Chemical Composition
| Element | Percentage (%) |
|---|---|
| Al | 88,47 |
| Fe | 0,22 |
| Mg | 1,47 |
| Si | 9,84 |
Where to Buy AA 4004 Aluminum Alloy
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Description
AA 4004 is an aluminum-silicon-magnesium brazing alloy (9–10.2% Si, 1.0–2.0% Mg) designed as a filler material for vacuum and controlled-atmosphere brazing of aluminum assemblies. The high silicon content lowers the melting point to form a eutectic that flows into tight joints at brazing temperatures. It is used in the manufacture of automotive heat exchangers, HVAC systems, and aerospace brazed assemblies.