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November 13 - November 19, 2016

Should 304 stainless steel pipework be coated prior to insulation?


Selected Answers

From trevor neale of TF Warren Group on November 21, 2016:
If you want to find out, try exposing an uncoated panel in a salt spray cabinet for a few hours.

From Charles Chukwu of GE oil and gas on November 17, 2016:
Yes, the pipework should be coated before insulation.

From Bryant Chandler of Greenman-Pedersen, Inc. on November 17, 2016:
Stainless steels can fail catastrophically due to stress corrosion cracking (SSC). The primary cause of SSC is high stress, exposure to chlorides and improper welding procedures. If stainless pipe is under high pressure and in a chloride-rich environment such as seacoast, then painting the pipe prior to insulating would be a good practice.

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Tagged categories: Asia Pacific; EMEA (Europe, Middle East and Africa); Insulation; Latin America; North America; Pipeline; Pipes; Stainless steel


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