What if any regulations are there (specifically in Southern CA) for disposal of used or unserviceable rod. I typically have some 309 and 7018 stubs to dispose of.

oxidation from loosing purge to quickly would suggest a purge chamber for welding that

Cleanliness is key all the way around clean you wire brush before use as well with the acetone. Also insure your shield gas is good. When we do 5xxx welding for crack alts on ships we have to check the moisture of our gas before beginning work. Good shielding from breezes needs to be established to ...

Mil-STD-22D is a great source for joint designs uses AWS A2.4 a source it can be found here http://www.everyspec.com/MIL-STD/MIL-ST ... 22D_21685/

Any tips for welding Hastelloy? My welders are tasked with schedule 40 through Extra Extra heavy wall pipe majority open root but welds. Our procedure has us purging the pipe with 40-50 pounds of pure argon most of the joints have been of high quality but on some of the smaller diameter pipe I have ...