This video shows mig welding techniques as well as push vs pull tests. A good way to test for penetration is the cut and etch test. If the test is done while the weld is still fresh on you mind, there is a lot that can be learned and welding technique can be adjusted and improved. I used a lincoln electric power mig 210mp for the first welds with settings of 19 volts and 310 inches per minute of wire speed using .030" diameter er70s6 wire. For Tig Fingers and other welding accessories, visit my

A cut and etch test ( also called a macro etch) is a fairly quick and easy way to test a weld for penetration, porosity, cold lap, etc. And the cool thing is it doesnt require any special tools or equipment | Welding Tips & Tricks

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