Hi,
Welding procedure specification as per: ASME IX; ASME B31.3.
Welding position = All
Position qualified = All
Preheat temperature = Drying if necessary.
Inter-pass temperature = 150 deg C.
Preheat Method = hot air blowers.
Measurement = Tempilstick or thermometer.
Preparation method =...
We have been suffering with pitting corrosion on two removable piping spools (super duplex stainless steel). Corrosion is located on the welds at the elbows.
- the medium is seawater.
- the spool is located at the outlet of the plate heat exchanger.
- it is a 12" schedule 10 pipe(s).
- low...
