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cleaning coupons

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knoops

knoops

Structural
Jan 9, 2007
2
Other than the recipes in the astm spec G1 does anyone have a rcipe/procedure for chemically cleaning ss corosion coupons?. I know a lot has to do with whats on them, I don't know for sure, its just a real thin film almost baked on the coupon. Straight hcl didn't faze them.
 
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Comeback with what the coupon material is and the media that they were exposed to.
 
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hastalloy...don't know the media.. carbon maybe
 
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