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SS vs Black Oxide

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ejw3241

ejw3241

Aerospace
Joined
Jan 8, 2003
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2
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US
Can I substitute Black Oxide as a coating for a spec that calls out 304SS?
 
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Generally a big NO.

Can you come back with more details of the environment the subject will see?
 
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pipe, subject to high velocity superheated air, 600+ deg. F
 
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