Abrasive Sand Blasting
Abrasive Sand Blasting
(OP)
I was reviewing a set of bridge plans and there was a note that stated all existing steel would be "abrasive blasted to a SA-1." Any ideas on what SA-1 is referring to? Is this referring to a specification on abrasive blasting or a surface finish.






RE: Abrasive Sand Blasting
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RE: Abrasive Sand Blasting
This link gives a brief explanation of the differing grades of finish available.
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RE: Abrasive Sand Blasting
Brush Off - Loose mill scale, loose rust and foreign particles are removed.
Simular to SSPC SP 7 or NACE No.4
www.wjleigh.co.uk/images/SurfacePrepSteel.pdf
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