Direct Current (DC) is the most used for TIG welding because it penetrates deeply.
For welding aluminum is one of the only that AC (alternating current)is preferred, AC current is used to weld aluminum
because its positive half cycle delivers a precise action and its negative half cycle deliver penetration.
As well it flips the polarity easily and quickly such as from 70 to 130 times each second. Therefore for welding aluminum AC current Use.

Co-Founder Cord To Cordless
Huzmad is a hobbyist and experienced person from the wood and metal industry. Only try to build constructive things using corded and cordless tools.
In addition to his construction experience, Huzmad also a Gardener and home improver Whether it was helping brothers to make cedar cabinets, and use the machines as a passion to do-it-yourself mentality runs strong trust in this field
I am excited to help you to handle your projects and discover new ways to improve your home and reduce your efforts by doing well at your jobs.