97K views · 2.6K reactions | Aerospace Welding alloys can be extremely expensive. So it makes a lot of sense to practice first on cheap cold rolled steel. In this video, I compared 200 pulses per second to straight current and also a few tips for avoiding crater cracks and not melting away ends. See the stuff I used in this video here https://weldmongerstore.com/collections/frontpage | Welding Tips & Tricks | Facebook