ready full detailed article on filler metal selection here https://weldmongerstore.com/blogs/wel...

filler metal charts and resources

https://www.esabna.com/shared/documen...

http://www.alcotec.com/us/en/support/...

https://www.washingtonalloy.com/wp-co...

Visit my store at https://weldmongerstore.com for TIG cup Kits, TIG Fingers, Gloves, DVDs, and other quality welding tools. New products being added weekly.

When a welding procedure specifies a certain filler metal, then that is the filler metal.
but sometimes you are the one that selects the filler metal and so I hope this video serves as a guide for best practices.