Alloy 4043 is one of the oldest and most widely used welding and brazing alloys. Almigweld and Altigweld 4043 can be classed as a general purpose type filler alloy. The silicon additions result in improved fluidity (Wetting Action) to make the alloy a preferred choice by welders.

AlcoTec products ALMIGWELD® welding wire in over twenty different alloys and a variety of package sizes. Specialty items, as well as the industry standards are available. AlcoTec proudly advertises "If you can't get it from AlcoTec, you probably can't get it." AlcoTec offers the highest quality products available, product diversity, product availability, competitive pricing and technical assistance.