EN AW-4047
EN AW-4047Near-eutectic Al-Si brazing alloy — Si 11-13%. Lowest melting point (~577°C eutectic) in the Al-Si system = ideal brazing filler. Superior fluidity and joint fill vs 4043 (5% Si). Used as brazing sheet clad layer and wire for CAB (Controlled Atmosphere Brazing) of heat exchangers, radiators, evaporators, and condensers. Also used for welding Al-Si castings.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇺🇸 | AA | USA | AA 4047 / UNS A94047 | A94047 | REF |
| 🇪🇺 | EN | Europe | EN AW-4047 / AlSi12(A) | EN AW-4047 | 100% |
Sources: AA, EN 573-3
Mechanical properties — Pro
As Cast
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | ||
| Elongation | ||
| Melting Point | ||
| Density |
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