You would need to use Argon gas to weld aluminum. The spool gun, model #K2532-1, our item #44732 is recommended for use in welding aluminum.
Lincoln Electric, LN 1LB .030 ER4043 ALUM WIRE, Size 0.03 in, Model# KH513

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- 0.030 in. dia. aluminum wire for MIG welding
- Low melting point and great fluidity
- Less sensitive to weld cracking
- Ideal for use with heat-treatable base alloys
- Suitable for elevated temperature service
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