Chamfer rod is a must have product for gouging out old welds or veeing out a crack in the base metal. Weldingrods.com Chamfer rod needs no external air to operate. When using Chamfer rod just insert the rod into the electrode holder set the welder to the recommended amperage on the box and start your chamfer. It moves fast along the crack and creates a deep vee.
By using chamfer rod to gouge out old welds this will prepare the surface for re-welding the break. It will also give your weld a natural preheat for welding. Weldingrods.com “chamfer rod” is great to have available in a service truck in the field. It will allow you to gouge, cut and pierce metals without having to hook up air to your electrode holder.
Chamfer rod comes in different diameters 3/32, 1/8 and 5/32. It will work on Steel, Stainless, Aluminum and Cast Iron. Chamfer rod is sold in 10lb packages. Here is a link to the product page: https://weldingrods.com/shop/chamfer/