Arccaptain
ARCCAPTAIN Aluminum Welding Wire 1 Pound Aluminum MIG Wire
SKU: 10130101910
$16.99
Regular price: $20.99
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Description
Performance Characteristics The differing chemical compositions lead to distinct performance characteristics:
Chemical Composition Comparison Standard Reference: AWS A5.10 / ISO 18273
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- Strength ER5356 is significantly stronger, with a typical shear strength of 18 KSI compared to 11 KSI for ER4043. It is the standard for load-bearing structural parts.
- Operating Temperature ER4043 can be used in environments exceeding 150°F (66°C), while ER5356 is not recommended for these elevated temperatures due to potential stress corrosion cracking.
- Ductility ER5356 is more ductile and flexible, making it better for parts subject to vibration or post-weld forming.
- Anodizing Color Match ER5356 provides a much better color match to the base metal after anodizing. ER4043 typically turns dark gray or black after the process.
- Weldability & Flow ER4043 has excellent fluidity and a lower melting point, making it easier for beginners to control and better at bridging gaps.
- Wire Feeding Because it is stiffer, ER5356 often feeds more reliably through MIG welding systems. ER4043 is softer and more prone to feeding issues without a spool gun.
- Crack Resistance ER4043 is highly resistant to hot cracking, especially when welding 6xxx series alloys like 6061.
- Aesthetics ER4043 produces smoother, shinier welds with less spatter. ER5356 welds often have a duller, "frosty" appearance and generate more soot (smut).
| Application | Recommended Filler | Reason |
|---|---|---|
| Marine / Saltwater | ER5356 | Superior corrosion resistance. |
| 6061-T6 Base Metal | Either | Choice depends on strength vs. ease. |
| Aluminum Castings | ER4043 | Excellent crack resistance and low porosity. |
| Pressure Vessels | ER5356 | High structural integrity requirements. |
| Automotive Radiators | ER4043 | Good flow on thin materials, high temp tolerance. |
| Composition Elements | 4043 (AlSi5) | 5356 (AlMg5) |
|---|---|---|
| Silicon (Si) | 4.5 – 6.0% | ≤ 0.25% |
| Magnesium (Mg) | — | 4.5 – 5.5% |
| Manganese (Mn) | — | 0.05 – 0.20% |
| Iron (Fe) | ≤ 0.8% | ≤ 0.4% |
| Copper (Cu) | ≤ 0.3% | ≤ 0.1% |
| Zinc (Zn) | ≤ 0.1% | ≤ 0.25% |
| Titanium (Ti) | ≤ 0.2% | ≤ 0.2% |
| Other Impurities | ≤ 0.15% | ≤ 0.15% |
| Aluminum (Al) | Balance | Balance |
Product details
- Brand
- Arccaptain
- Category
- Welding Wire
- SKU
- 10130101910
- Condition
- New
Warranty & support
All Arccaptain products are tested by TÜV & CSA witness laboratory. See the description and the documents included with the product for warranty details. Need help with setup or a warranty claim? Contact us.
Shipping & delivery
Free standard delivery on all UK orders – no minimum spend. Orders usually arrive within 3–7 working days; large items such as ride-on mowers and garden sheds are delivered by pallet courier.
Returns
See our returns policy for the return window and conditions. Items should be unused and complete, ideally in the original packaging. Details in our Returns & Refunds policy.
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