Sunday, January 17, 2010

[MW:4065] TRANSFER MODE & REQUIREMENT FOR GMAW&FCAW

Dear all
1-what is effect of filler composition in transfer mode in GMAW?
 
2-why backing material is required for FCAW for root pass?
 
regard advance?

1 comment:

Anonymous said...

It seems to me, what is it already was discussed, use search in a forum.

Re: [MW:34913] Filler wire

E71T-1C  is Charpy Impact tested at -20degC E71T-1CJ is Charpy impact tested at -40degC. AWS Classification for FCAW is only a supplementary...