Hello everybody,
My company is heading towards purchasing new carbon steel pipes. We have now received several offers from different suppliers.
I want to know how to verify if the information contained in the material certificate is factual! And How to detect if the material certificate is...
Operating temperature & pressure are 300 C and 45.5 kg/cm2.
I am still wondering, hydrogen bake out process is not very common with the base metals to be welded. I have not even seen it mentioned in WPSs before. Mr Dhurjati Sen, Do you think its necessity differs between different grades of...
Dhurjati Sen (Materials)
mk3223 (Mechanical)
Thanks for the comments guys,
TO make things clearer:
Shell material : A516 Gr 70
Inlet nozzle and flange: A 350 LF2.
Faulty flange: 24'' Class 600 WN RJ. Thk: 17.45 mm
In fact corrosion attack has very long history in this location of the vessel...
Hello everybody,
We have a problem with the inlet nozzle flange of an ASME pressure vessel. After severe corrosion was discovered during the vessel inspection. Welding build-up repair was employed but it generated many many tiny cracks all over the RJ flange face.
Up on so we proposed...
Oil separator Steam coil
I have a question and I would be very happy if you give me an answer.
My company requested a new steam coil for our three phase separator. However, the new steam coil differs from the original in that the new steam coil flanges are all of the raced face type flanges...
Oil separator Steam coil
I have a question and I would be very happy if you give me an answer.
My company requested a new steam coil for our three phase separator. However, the new steam coil differs from the original in that the new steam coil flanges are all of the raced face type flanges...
