Rust blooms on A240 S40930 material
Rust blooms on A240 S40930 material
(OP)
We had A240 S40930 stainless material used by our supplier for the stack liners for exhaust gas. Rust blooms started appearing on the entire length and circumference of these liners after delivery to site. The supplier came back telling this is due to the fact that they did grit blasting in the shop after doing liner installation on the stacks and that surface rust is acceptable for this material as it does oxidize when exposed to exhaust gases. These stacks have been erected and cleaning would be cumbersome. Can somebody say if this is acceptable and if not what should be the corrective action to clean this up?





RE: Rust blooms on A240 S40930 material
Michael McGuire
http://stainlesssteelforengineers.blogspot.com/
RE: Rust blooms on A240 S40930 material
It will not impact high temperature corrosion resistance.
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