stainless steel pipe

eg9_05

1,000 RPM
Senior Member
hi all zth'rian

:hmmmm: anyone here know how to remove o clean the ugly grey stain on the stainless steel extractor or how to restore back the shining glory...............

pls help and share some receipe............thanks in advance :adore:
 
how come ur's turn to gray bro?i thought after heat up the s/steel,it will turn
yellowish n bluish.foreign subtance is it?
 
like this shit>>>>>>>>>>>>>>:mad:
pls help any idea :hmmmm:
 

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try autosol metal polish already still cannot remove that thing.....:mad:
but will try go s/s shop for help....:idea:

anyway thanks....
 
that is the sign of not pure 304 stainless steel, it can be a 430 or 436, and the gray color spot is a burn sign and soon it will become rusty if you don use the car for say 2/3 days ...

useless to polished it .... that area will come over again...
 

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