fiiler metal dia. limitations for welder certifications

Date 06-11-2009 15:16

Are welders certified to a wps for .035 wire gmaw spray,automatically be certified to a wps for .045 wire ,if thier qualification test was done with .035 wire? D1.1 2006 has no requiremants under essential variables for welder performance (4.22) I know filler metal diameter for a wps is an essential variable requiring requalification, not sure how wire size affects welder quals.
any thoughts would be appreciated. thanks

By Lawrence (*****)

Date 06-11-2009 16:23

Nathan

A welder qualified in spray transfer GMAW is qualified to weld any filler diameter.

There are however WPS limitations, so even a prequalified WPS may need to be revised if a wire diameter increase is involved.

By natecf

Date 06-11-2009 16:39

thanks for the reply, that makes sense,just couldn"t find specific language to say one way or the other

By Bill M

Date 06-12-2009 19:28

We are a heavy equip. manufacturer. Although not code required, our internal welder qualification program had FCAW dia limits. Welders using our 3/32" dia wire are required to qualify separately with that dia.

By natecf

Date 06-16-2009 14:10

that makes sense, I'm suprised that there is no requirement in D1.1. go figure