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The Lincoln Electric KP2067-1B2 is a pack of 10 contact tips engineered specifically for 0.035-inch (0.9 mm) aluminum MIG wire. For professional welders, the distinction between a standard contact tip and one designed for aluminum is critical. Aluminum has a higher coefficient of thermal expansion than carbon steel. As the wire heats up due to resistance at the contact point and radiant heat from the arc, it expands. A standard tip with tight tolerances will cause the aluminum wire to bind, leading to micro-arcing inside the tip, erratic arc characteristics, and eventual burnback.
These KP2067-1B2 tips are manufactured with a slightly oversized bore compared to their steel-wire counterparts (often marked with an 'A' or specific part number suffix). This precise tolerance accommodates the wire's expansion without losing electrical conductivity. The result is consistent current transfer and smooth wire delivery, which is paramount when welding aluminum to prevent porosity and lack of fusion.
Designed for use with Lincoln Electric Magnum series MIG guns (commonly found on Power MIG and other compact units), these tips are a direct replacement for standard consumables when switching over to aluminum projects. They are compatible with standard gas diffusers and nozzles used in the Magnum 100L and similar platforms. By using the correct consumable, you significantly extend the life of the tip and improve the quality of your finished welds.
Don't compromise your aluminum welds with generic or incorrect consumables. The KP2067-1B2 ensures that your equipment performs as intended, handling the specific physical properties of aluminum filler metals with ease.
| Additional Information |
|---|
| Brand:Lincoln Electric |
| Packaging Description:pack of 10 |
| Wire Diameter:0.035 in, 0.9 mm |
| Application:Aluminum Welding |
| Pack Quantity:10 |
| Compatible Process:MIG Welding |
