Dear friends,
We are facing SCC problem since long time. The service is anhydrous liquid ammonia and material of construction is LTCS. We observed leaks in weldments due to SCC as Liquid NH3 is contaminated with CO2. SS material can be replaced.however cost will be more. Can SCC be mitigated by doing stress relieving of all joints. What about small bore lines. My suggestion is to replace all small bore line SS304L and all bog bore lines shall be stress relieved. Can any body share his experience in this regard.
Regards
LAKSHMI NARAYANA
MECHANICAL ENGINEER(FERTILIZERS)
Received on Sun Dec 07 05:34:00 2003
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