Dear Asad Azmi: your question is a general one. Would you like to define the material application and the phisical conditions which the material have to be used. For example: for API 653 "Tank Inspection, Repair, Alteration and Reconstruction" there is an evaluation of Corrosion Areas, see Numeral 4.3 Tank Shell Evaluation. If you will use the plate por Pressure Vessel you have to do some calculation base in service condition ( pressure, temperature and dimensions). There is a technic call "Fitness for Service"
Regards
jml
2011/4/25 asad azmi <azmiasadayub@gmail.com>
--Dear All,Greetings.what is the acceptance standard for pittings on SA 516 GR 70 Plate.I mean what is the depth and diameter allowed.Thanks and RegardsAsad Azmi
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