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When you are tackling a cracked ship propeller, a worn pump casing, or a heavy-duty valve, you need a wire that flows smoothly and leaves a deposit tougher than the original metal. Ampco-Trode 46 (ERCuNiAl) is that wire. This 30lb spool of 0.045" MIG wire is the go-to solution for welding nickel-aluminum bronze and other copper alloys. It is famous in the industry for its ability to handle the nastiest environments—specifically saltwater and corrosive chemicals—without pitting or failing over time.
As a welder, you know that feeding bronze wire can sometimes be tricky, but this product is designed for consistent feedability. It runs best with 100% Argon shielding gas, producing a stable arc and a clean bead profile. It is not just for matching bronze base metals; you can use Ampco-Trode 46 to join copper-nickels to steel or even for overlay work on cast iron where you need a buffer layer or a wear-resistant face. The weld puddle is controllable, allowing for out-of-position welding when necessary, although flat positioning will always give you the prettiest stack of dimes.
This wire is a lifesaver for maintenance jobs. If you are building up a worn shaft or repairing a bronze casting that has suffered from cavitation (that sponge-like erosion you see on props), this alloy fills the void with dense, high-strength metal. It grinds and machines well after welding, so you can bring the part back to tolerance with a finish that looks factory-new. Don't risk a callback on a marine job by using a standard bronze wire; step up to the nickel-aluminum formulation of Ampco-Trode 46 for repairs that last.
| Additional Information |
|---|
| Brand:Ampco |
| Diameter:0.045 in |
| Spool Size:30 lb Spool |
| AWS Spec:ERCuNiAl |
| Process:MIG (GMAW) |
| Material Composition:Nickel-Aluminum Bronze |
| Shielding Gas Requirement:100% Argon |
| Tensile Strength:99,000 psi |
| Hardness:180 HB |
| Applications:Marine Components, Propeller Repair, Ship Fittings |
| Item:Welding Wire |
| Weld Process:MIG (GMAW) |
| Position:All Position |
| Polarity:DCEP |
| Packaging Description:30 lb spool |
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