Description
3/32 X 36 #4047 Aluminum Welding Rods | Boat Supply Store
This 3/32" diameter, 36-inch long #4047 aluminum welding rod is engineered for robust repairs and fabrication of aluminum marine structures. With a low melting point of 1070°F, it is ideal for joining various aluminum alloys commonly found in boat construction, including 6061 and 5052 series. The #4047 composition offers superior flow and crack resistance, making it an excellent choice for mending aluminum boat hulls or fabricating custom components in saltwater environments.
Key Features
- Engineered for durable aluminum repairs
- Facilitates strong, crack-resistant welds
- Optimal flow for easy joint filling
- Low melting point for controlled application
- Corrosion resistance for marine environments
- Suitable for joining 6061 and 5052 alloys
- Ideal for hull and structural fabrication
- Provides reliable performance in challenging conditions
Specifications
| Product Specifications | |
|---|---|
| Diameter | 3/32 inch |
| Length | 36 inches |
| Alloy Number | #4047 |
| Material | Aluminum |
Who This Is For
Marine fabricators and skilled DIY boaters requiring precise and durable aluminum welding for structural repairs or custom builds. This rod is best suited for those working with aluminum alloys commonly found in boat hulls and marine hardware.
How It Compares
| Feature | 3/32 X 36 #4047 Aluminum Welding Rods | Lincoln Electric |
|---|---|---|
| Alloy Number | #4047 | #4043 |
| Diameter | 3/32 inch | 1/8 inch |
| Length | 36 inches | — |
Common Concerns Answered
Will these rods work for repairs on my 1985 Alumaweld with a 6061-T6 hull?
Yes, the #4047 alloy is specifically formulated for excellent strength and fluidity when joining 6061-T6 aluminum, providing a reliable repair for your vessel's hull.
Are these rods prone to cracking during the cooling process on thick aluminum sections?
The #4047 alloy is known for its superior resistance to weld cracking, particularly when compared to other aluminum filler metals, making it a safer choice for thicker sections common in marine fabrication.
How do these rods perform in terms of weld porosity when used with AC TIG welding?
Proper cleaning of the base metal and shielding gas are paramount for minimizing porosity. The #4047 alloy, when used correctly, provides a clean weld bead with minimal porosity, ensuring structural integrity.
Frequently Asked Questions
What is the recommended amperage range for TIG welding with 3/32" #4047 aluminum rods?
For 3/32" #4047 aluminum rods, a TIG welding amperage range of approximately 75-120 amps is typically recommended, depending on the base material thickness and joint design.
What is the melting point of #4047 aluminum alloy?
The #4047 aluminum alloy has a melting point of approximately 1070°F (574°C), allowing for controlled application and reduced risk of burn-through on thinner materials.
Can I use these rods for MIG welding applications?
While #4047 is primarily designed for TIG welding, it can be used for MIG welding. However, specific MIG wire formulations may offer optimized feeding characteristics for that process.
What is the tensile strength of a weld made with #4047 aluminum?
Welds made with #4047 aluminum typically achieve a tensile strength in the range of 30,000 to 35,000 psi, providing substantial structural integrity for marine applications.
How should these welding rods be stored to maintain their quality?
Store welding rods in a clean, dry environment to prevent contamination and corrosion. Keeping them in their original sealed packaging until use is recommended.
