Lincoln Copper Plus Contact Tip 550A, Standard, .040 in (1.0 mm) 100/pack KP2745-040-B100 71M Rated 350 amps

Rated 350 amps

A general starting point is 130–140 A for horizontal fillet welds on 1/4 in

including Stick (general and downhill pipe)

Part number: KP1697-035C

Lincoln Copper Plus Contact Tip 550A, Standard, .040 in (1.0 mm) 100/pack KP2745-040-B100 71M Rated 350 ampsLincoln Copper Plus Contact Tip 550A, Standard, . 040 in (1. 0 mm) 100 pack KP2745 040 B100 Magnum PRO Contact Tips for Magnum PRO Guns and Expendables Features Copper Plus Larger diameter allows for increased copper content in each contact tip. The added copper disperses heat and keeps the tip cooler, longer. Anti Seize Threading The thread on Magnum PRO contact tips are designed to prevent the tip from melting, fusing, and seizing in the diffuser.