hi,
i have a problem i have to weld incoloy 800ht, but we have problems with purge so we want to use a backing but we have no interior access to the weld, one person talk to me about a paste backing to use someone knows something about this??
and someone knows something about tig wire with...
I am a DEST (Diplôme d'Etudes Supérieures Techniques).
I have studied in the Conservatoire National des arts et metiers.
I am 25.I am working as a corrosion ,weldig and pressure vessel inspector but i want to improve.I´d would like to study more but I can´t leave my work.I´d like to study a...
we have an injection point of phosphoric ester in the bottom of goa stripper in a petroleum refinery.this point is made of hastelloy b-2 but it has been corroded in 3 years (thickness 8 mm).the tªinthe stream where the anticorrosive product is inyected is 320ºc and only is inyected when we...