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RELATIONSHIP BETWEEN Sa value and micron finish of surface
Is there any relationship between Sa values and Micron finish of surfaces after sand/shot blasting.
Also, let us know is there any measuring instrument available to measure such surface finish with conversion.
your reply shall be appreciated.
regards,
Joshi
Ratnakar D. Joshi
consultant to engineering industries - Mumbai, Maharashtra state, India
March 17, 2009
Hi, Ratnakar. I don't think any such conversion is possible. "Sa" is a Swedish Institute for Standards designation for blasted finishes
-- approximately equivalent to SSPC, NACE, and ISO 8501 standards.
Please see thread 12526 for a more complete explanation.
Regards,

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
Ted is available for instant help
or longer-term assistance.
September 3, 2009
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