I work in NYC I am a plumber and have allways seen the electrical service grounded to the water main. Now keep in mind I work in new construction high rise buildings I have gone to this new job and the electrical contractor will not give a reason why he has not bonded his service to the water...
I have recently passed a 309 GTAW/SMAW test consisting of using 309 tig wire on 2 carbon steel coupons I rooted,hot pass and filler with 309 GTAW. Then filled out with 309-16 stick wire. I am now going on to straight stainless steel I am looking for any helpful hints regarding inside purge of...
I am looking for information about the difference between 309-15 and 309-16 stick wire. I have used the two wires on pipe welding in a 6G position and found that the 309-15 will run like a lo-hi rod but the 309-16 clumps up and drops out I am looking for a answer because most of the rod...
I have recently certfied on S70 GTAW/SMAW carbon pipe. I have been practicing for the 309 tig wire on carbon steel I sometimes get a nice root on the inside but there are times I get sugar I have tried different settings on the purge on the torch with straight argon. I ussally set the torch on...
