nitinmech22
Petroleum
- Feb 20, 2014
- 2
Dear All,
We are currently working on a Sulphur Plant . We are having steam jacketed Sulphur lines.
We have designed the core pipe for 150# class condition and 3 mm corrosion allowance . The jacketed pipe is also designed for 150# class rating and 1.5 mm corrosion allowance. We have designed the core pipe for external pressure as well at 1.01 bar at 150 deg c.
We confirmed from our process regarding the Corrosion allowance for core pipe and they said to keep the same to be 3 mm.
I am in a bit of dilemma that, the corrosion allowance for core pipe shall be 3 mm + 1.5 mm = 4.5 since there will be corrosion on core pipe from both the sides.
Would like to have expert opinions on the same.
Regards
Nitin
We are currently working on a Sulphur Plant . We are having steam jacketed Sulphur lines.
We have designed the core pipe for 150# class condition and 3 mm corrosion allowance . The jacketed pipe is also designed for 150# class rating and 1.5 mm corrosion allowance. We have designed the core pipe for external pressure as well at 1.01 bar at 150 deg c.
We confirmed from our process regarding the Corrosion allowance for core pipe and they said to keep the same to be 3 mm.
I am in a bit of dilemma that, the corrosion allowance for core pipe shall be 3 mm + 1.5 mm = 4.5 since there will be corrosion on core pipe from both the sides.
Would like to have expert opinions on the same.
Regards
Nitin
