AWS Pre-qualified WPS for Copper?

By carloatx Date 06-28-2018 15:53

Does anyone know if AWS has a pre-qualifed WPS pertaining to TIG welding of copper? I can't seem to find anything other than a few specifications in the bookstore.

A little more info ~~ I am trying to qualify my company on TIG welding copper. The job I am working on right now calls for a 16 gauge sheet of copper to be welded onto a .90" copper plate. In the end, this part will act as a heat sink/cooling plate. Thanks for the help!!

By 803056

Date 06-28-2018 16:41

To the best of my knowledge AWS does not have a code that pertains to copper or it's alloys. Without a code, there can be no prequalified WPSs.

Word of caution, make sure you are welding deoxidized copper, not tough pitch copper.

Al

By carloatx Date 06-28-2018 18:14

Thats what I figured. Thanks for confirming Al, I appreciate it!

By Lawrence (*****)

Date 06-28-2018 18:22

https://www.copper.org/publications/pub_list/pdf/a1050.pdf

By welderbrent (*****)

Date 06-29-2018 15:06

Aw haw, the much touted Welding Handbook series strikes again.

Though one must admit, it isn't a code and nothing is said in that portion that shows up about any prequalified procedures.

Great find, but, I don't see your name on it Lawrence.

He Is In Control, Have a Great Day, Brent

By welderbrent (*****)

Date 06-28-2018 18:19

Even if AWS did have a code applicable to copper, the chances of it having any prequalified WPS's is from slim to none. One must consider the implications of 'Pre-qualified' and how many eras of successful welds are completed in the various joint configurations, welder parameters, materials in use, etc.

He Is In Control, Have a Great Day, Brent