5554 Aluminum MIG Welding Wire
- .035 inch (0.9mm) 1lbs.
- .045 inch (1.2mm) 5lbs.
- .045 inch (1.2mm) 20lbs.
| QTY | Discount |
|---|---|
| 2+ | 3% |
| 10+ | 5% |
| 20+ | 7% |
5554 Aluminum MIG Welding Wire
AWS CLASS ER5554 | PROCESS MIG (GMAW) | BASE ALLOYS 5000 Series | DIAMETERS .035"–.045" | SPOOL WT. 1–20 lbs |
ER5554 Aluminum MIG Welding Wire for 5000 series aluminum alloys with higher magnesium content. Exceptional strength and corrosion resistance for marine environments. Higher magnesium content delivers welds that resist cracking and pitting in harsh conditions.
Key Features
- Exceptional strength and corrosion resistance
- Engineered for 5000 series aluminum alloys with higher magnesium content
- Highly effective in marine environments against saltwater
- Resists cracking and pitting in harsh conditions
- Available in .035", .045", and 3/64" diameters
Technical Specifications
| AWS Classification | ER5554 |
| Welding Process | MIG (GMAW) |
| Base Alloys | 5000 series aluminum |
| Key Property | Higher magnesium content for marine applications |
| Available Diameters | .035", .045", 3/64" |
| Available Spool Weights | 1 lb, 16 lb, 20 lb |
Part Number & Size Reference
| MW55540351 — 0.035" / 1 lb spool |
| MW55543645 — 3/64" / 16 lb spool |
| MW555404520 — 0.045" / 20 lb spool |
Related Products
5356 Aluminum MIG Welding Wire | 4043 Aluminum MIG Welding Wire | 5356 Aluminum TIG Rods 10lbs. | 4043 Aluminum TIG Rods 10lbs. | 5554 Aluminum TIG Rods 10lbs. | 4043 Aluminum Stick Electrodes 5lb
Maple Industrial Products Inc.
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Frequently Asked Questions
ER5554 is a higher-magnesium 5xxx series MIG wire built for demanding marine and structural applications where extra strength and corrosion resistance are worth the premium over a standard 5356 wire.
5554 carries more magnesium than 5356, which pushes its strength and corrosion resistance higher — particularly its resistance to cracking and pitting in harsh, saltwater-exposed conditions.
It's offered in .035", .045", and 3/64" diameters.
You can get it in 1 lb, 16 lb, and 20 lb spools.
Yes — it's specifically engineered to perform well in marine environments against saltwater exposure, resisting cracking and pitting better than standard 5000 series aluminum fillers.
It's a MIG (GMAW) wire, fed continuously through a MIG gun or spool gun rather than hand-fed like a TIG rod.
For everyday fabrication, a standard filler like 5356 or 4043 is often sufficient. 5554 makes the most sense when the weld will see sustained saltwater exposure or needs the extra strength margin its higher magnesium content provides.
Yes — pitting resistance in harsh, saltwater conditions is one of its key advantages over standard 5xxx aluminum fillers.
It's well suited to that kind of use — marine environments are the application it's specifically engineered to hold up in.
Higher magnesium content generally raises strength and corrosion resistance, though it can also make the wire slightly more demanding to run smoothly than a lower-magnesium or silicon-based filler — a tradeoff that's usually worth it for marine-grade applications.