Description
The Lincoln Copper Plus Contact Tip 550A is designed for Lincoln Electric Magnum PRO Copper Plus 450A/550A. It features a patent - pending anti - seize thread design. This design enlarges the thread cross - section where heat usually builds up and causes tip failures. As a result, it reduces melting, fusion, and seizing, significantly extending the contact tip's service life.
Compatible With
Features
- Copper Plus: Each contact tip has a larger diameter, increasing the copper content. The extra copper helps disperse heat, keeping the tip cooler for longer.
- Anti - Seize Threading: The thread on Magnum® PRO contact tips is crafted to prevent the tip from melting, fusing, and seizing in the diffuser.
- Copper Chrome Zirconium: It offers enhanced resistance to annealing, preventing excessive wear in the tip orifice.
- Consistent Wire Placement: The tighter tolerances of the tip ID ensure precise wire feeding, making it ideal for robotic welding.
- Complete Product Portfolio: Magnum PRO Copper Plus contact tips come in various shapes and sizes, suitable for any application and configuration.




Using the Lincoln Magnum PRO Copper Plus 550A Contact Tip is easy. First, make sure your welding gun is compatible, specifically Lincoln Magnum PRO Guns. Simply install the tip as you would with any standard contact tip. When using, the tip's design will help keep it cool and functioning well. However, there are some things to note. Avoid overheating the tip by not running the welder at extremely high settings for long periods. For maintenance, regularly check the tip for signs of wear, like excessive melting or seizing. If you notice any issues, replace the tip. Keep the tip clean to ensure optimal performance. These tips come in a variety of shapes and sizes, so choose the one that fits your specific welding needs best. And if you're using robotic welding, this tip's precise wire - feeding feature will work great for you.