8/13/2019 Surface Finish Specs

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8/13/2019 Surface Finish Specs

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Blast Cleaning Standards Comparison

SYSTEM SSPC NACE CDN GOVT(CGSB)

SWEDISHSTANDARD

BRITISHSTANDARD

SolventClean

SSPC-SP1

Hand ToolClean

SSPC-SP2 31 GP 401 St. 2(Approx.)

Power ToolClean

SSPC-SP3 31 GP 402 St.3

Flame Clean(New Steel)

SSPC-SP4 31 GP 403

White MetalBlast

SSPC-SP5 NACE #1 31 GP 404Type 1

Sa. 3 BS 4232First Quality

CommercialBlast

SSPC-SP6 NACE #3 31 GP 404Type 2

Sa. 2 BS 4232Third Quality

Brush OffBlast

SSPC-SP7 NACE #4 31 GP 404Type 3

Sa. 1 Light Blast toBrush-Off

Pickling SSPC-SP8

Weather &Blast

SSPC-SP9

Near WhiteBlast

SSPC-SP10 NACE #2 Sa. 2 1/2 BS 4232Second Quality