ER4043 Aluminum TIG Rods – 10lbs, 36" Length
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Maple Industrial Products Inc.
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Overview
Nexalloy ER4043 Aluminum TIG Rods – 10lbs, 36" Length
Nexalloy ER4043 Aluminum TIG Welding Rods are formulated for 6xxx series aluminum alloys. A 5% silicon additive enhances fluidity, making the rod easy to use and producing strong, smooth welds with minimal spatter. Ideal for automotive parts, bicycles, and aluminum sculptures, and excellent in both pulsed and non-pulsed TIG welding.
Key Features
- Premium choice for 6xxx series aluminum alloys
- 5% silicon enhances fluidity during welding
- Easy to use — strong, smooth welds with minimal spatter
- Ideal for automotive parts, bicycles, and aluminum sculptures
- Works in pulsed and non-pulsed TIG welding
Technical Specifications
| AWS Classification | ER4043 |
| Welding Process | TIG (GTAW) |
| Base Alloys | 6xxx series aluminum |
| Silicon Content | 5% |
| Rod Length | 36" |
| Package Weight | 10 lbs |
| Available Diameters | 0.045", 1/16", 3/32", 1/8", 5/32" |
Part Number & Size Reference
| 0.045" – SKU MWER4043-364 |
| 1/16" – SKU MWER4043-116 |
| 3/32" – SKU MWER4043-332 |
| 1/8" – SKU MWER4043-18 |
| 5/32" – SKU MWER4043-532 |
Other Products
ER5356 TIG Rods | ER5554 TIG Rods | ER4043 MIG Wire | E4043 Stick Electrodes
Specifications
| Brand | Nexalloy |
|---|---|
| Product type | Aluminum Welding |
| Diameter | .045 inch (1.2mm), 1/16 inch (1.6mm), 3/32 inch (2.4mm), 1/8 inch (3.2mm), 5/32 inch (4.0mm) |
Sizes & pricing
Every option with its part number and price. Select one to load it into the cart above.
| Option | SKU | Price | Select |
|---|---|---|---|
| .045 inch (1.2mm) | MWER4043-364 | $139.00 | |
| 1/16 inch (1.6mm) | MWER4043-116 | $129.80 | |
| 3/32 inch (2.4mm) | MWER4043-332 | $121.80 | |
| 1/8 inch (3.2mm) | MWER4043-18 | $123.80 | |
| 5/32 inch (4.0mm) | MWER4043-532 | $149.00 |
Frequently asked questions
What is 4043 aluminum TIG rod used for?
ER4043 TIG rod is a silicon-alloyed filler for 6xxx series aluminum. The silicon content improves how the puddle flows, giving smooth, strong welds with minimal spatter — a common choice for general aluminum TIG work.
What base alloys is 4043 TIG rod designed for?
It matches 6xxx series aluminum and is commonly used on automotive parts, bicycles, and aluminum sculpture work where a clean weld bead matters.
What length is 4043 TIG rod cut to?
These rods come in the standard 36" length used across most TIG welding setups.
What diameters does 4043 TIG rod come in?
It's available in 0.045", 1/16", 3/32", 1/8", and 5/32", covering thin sheet metal through heavier sections.
Does 4043 rod work for pulsed TIG welding?
Yes — it performs well in both pulsed and non-pulsed TIG welding, so you're not limited by which technique you prefer to run.
Is 4043 TIG rod a good choice for someone still learning TIG welding?
It's generally considered easy to run, producing strong, smooth welds with minimal spatter, which makes it a reasonable rod to learn on as well as a dependable one for experienced welders.
Can 4043 TIG rod be used for decorative aluminum work like sculptures?
Yes — it's specifically noted for aluminum sculpture work, along with automotive parts and bicycles, largely because of the clean, smooth bead it produces.
Why would I pick 4043 rod over 5356 rod?
4043 is the better match when your base metal is a 6xxx series alloy, since its silicon content is tuned for that family's fluidity and crack resistance. 5356 is the better call for 5xxx, magnesium-based alloys instead.
Is 4043 TIG rod suitable for automotive aluminum components?
Yes, automotive parts are one of the applications it's specifically suited for, alongside bicycles and sculptural work.
Does 4043 rod produce less spatter than other aluminum TIG fillers?
Its silicon content improves puddle fluidity, which generally translates to less spatter and a cleaner-looking weld compared to some alternative aluminum filler rods.
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.
