Search found 4 matches

by chris0864
Fri Dec 13, 2013 8:30 am
Forum: Tig Welding - Tig Welding Aluminum - Tig Welding Techniques - Aluminum Tig Welding
Topic: taking chemical plant weld test and need help on root
Replies: 7
Views: 1021

Re: taking chemical plant weld test and need help on root

Im no expert to advice enyone yet but i did month ago 7018root fill and cap and was send to xray and came out cleane and got 6g smaw 6mm 60mm cert.. i do allways side to side motion and overhead 6clock you need to push that rod litle bit inside the pipe for second and then back to groove/bevel side...
by chris0864
Thu Dec 05, 2013 11:19 pm
Forum: Tig Welding - Tig Welding Aluminum - Tig Welding Techniques - Aluminum Tig Welding
Topic: taking chemical plant weld test and need help on root
Replies: 7
Views: 1021

Re: taking chemical plant weld test and need help on root

I have just started incorporating 7018 roots in my plate and pipe classes and it is different from 6010 for sure. I have tried to bury the rod and it works for a short run and then the flux on the rod seems to hang up on the wall of the groove and throws my rate of travel off. So I have had more su...
by chris0864
Thu Dec 05, 2013 11:15 pm
Forum: Tig Welding - Tig Welding Aluminum - Tig Welding Techniques - Aluminum Tig Welding
Topic: taking chemical plant weld test and need help on root
Replies: 7
Views: 1021

Re: taking chemical plant weld test and need help on root

Kingsport, TN job? 8-) Never took their test, but I have welded the "gun-barrel" (1/2" scd.120). The best root comes from a method that the WPS for your test may not allow, though. I grind to a knife-edge, set the gap about .045, and use E70S-6 MIG wire in .035 for filler. Works like...
by chris0864
Thu Dec 05, 2013 5:16 pm
Forum: Tig Welding - Tig Welding Aluminum - Tig Welding Techniques - Aluminum Tig Welding
Topic: taking chemical plant weld test and need help on root
Replies: 7
Views: 1021

taking chemical plant weld test and need help on root

1st test is on 1/2 inch sch 120, 5 welds (all must xray) have not welded on sch 120 but have welded on sch 80 2nd test 6 inch sch 80, 7018 root,hot, fillers, and cap (not sure if xray, maybe just visual) both tests in 6G position of coarse on the 1/2 inch i cant get the root in, it looks like suck b...