ER5554 Aluminum MIG Welding Wire – Marine Grade
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Maple Industrial Products Inc.
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Overview
Nexalloy ER5554 Aluminum MIG Welding Wire – Marine Grade
Nexalloy ER5554 Aluminum MIG Welding Wire is built for 5000 series aluminum alloys with higher magnesium content, delivering exceptional strength and corrosion resistance for marine environments. The higher magnesium content produces welds that resist cracking and pitting in harsh, saltwater 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
| 0.035" / 1 lb spool – SKU MW55540351 |
| 3/64" / 16 lb spool – SKU MW55543645 |
| 0.045" / 20 lb spool – SKU MW555404520 |
Other Products
ER5356 MIG Wire | ER4043 MIG Wire | ER5554 TIG Rods | E4043 Stick Electrodes
Specifications
| Brand | Nexalloy |
|---|---|
| Product type | Aluminum Welding |
| Size | .035 inch (0.9mm) 1lbs., .045 inch (1.2mm) 5lbs., .045 inch (1.2mm) 20lbs. |
Sizes & pricing
Every option with its part number and price. Select one to load it into the cart above.
| Option | SKU | Price | Select |
|---|---|---|---|
| .035 inch (0.9mm) 1lbs. | MW55540351 | $19.00 | |
| .045 inch (1.2mm) 5lbs. | MW55543645 | $99.00 | |
| .045 inch (1.2mm) 20lbs. | MW555404520 | $259.00 |
Frequently asked questions
What is 5554 aluminum MIG wire used for?
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.
How is 5554 wire different from 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.
What diameters does 5554 MIG wire come in?
It's offered in .035", .045", and 3/64" diameters.
What spool sizes are available for 5554 wire?
You can get it in 1 lb, 16 lb, and 20 lb spools.
Is 5554 wire a good fit for saltwater or marine environments?
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.
What welding process does 5554 wire use?
It's a MIG (GMAW) wire, fed continuously through a MIG gun or spool gun rather than hand-fed like a TIG rod.
Would 5554 wire be overkill for a simple aluminum repair?
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.
Does 5554 wire resist pitting corrosion?
Yes — pitting resistance in harsh, saltwater conditions is one of its key advantages over standard 5xxx aluminum fillers.
Is 5554 wire used in shipbuilding or marine structural work?
It's well suited to that kind of use — marine environments are the application it's specifically engineered to hold up in.
How does the higher magnesium content in 5554 affect weldability?
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.
Not sure this is the right part?
Tell us the machine, the material and the job. A welding specialist - not a call centre - will confirm fit and pricing, including volume and trade quotes.
