NACE CIP 1 Standards
NACE 1 (SSPC-SP 5) .....ANSWER.....White Metal Blast Cleaning.
Free of all contaminants and 0% staining.
NACE 2 (SSPC-SP10) .....ANSWER.....Near-White Metal Blast
Cleaning.
Free of all contaminants and up to 5% staining allowed.
NACE 3 (SSPC-SP-6) .....ANSWER.....Commercial Blast Cleaning.
Free of all contaminants and up to 33% staining allowed.
NACE 8 (SSPC-SP 14) .....ANSWER.....Industrial Blast Cleaning.
Free from visible oil, grease, dust, and dirt. Tightly adherent mill
scale, rust, and coating residue can remain on 10%.
NACE 4 (SSPC-SP-7) .....ANSWER.....Brush-off Blast Cleaning.
Free from all contaminants. Tightly adherent mill scale, rust, and
coatings may remain on the surface.
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ISO 8501-1 Sa 3 .....ANSWER.....Blast Cleaning to Visually Clean
Steel.
Free of all contaminants and have a uniform metallic color.
ISO 8501-1 Sa 2 1/2 .....ANSWER.....Very Thorough Blast
Cleaning.
Free of all contaminants and only slight stains may remain.
ISO 8501-1 Sa 2 .....ANSWER.....Thorough Blast Cleaning.
Free from most contaminants. Allows some firmly adhering mill
scale, rust, coating, or other matter to remain.
ISO 8501-1 Sa 1 .....ANSWER.....Light Blast Cleaning.
Free from visible oil, grease, dust, dirt, and poorly adhering mill
scale, rust, coating and foreign matter.
ISO 8501-1 St 2 .....ANSWER.....Thorough Hand and Power Tool
Cleaning.
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Free from visible oil, grease, dust, dirt, and poorly adhering mill
scale, rust, coating and foreign matter.
ISO 8501-1 St 3 .....ANSWER.....Very Thorough Hand and Power
Tool Cleaning.
Free from visible oil, grease, dust, dirt, and poorly adhering mill
scale, rust, coating and foreign matter. Surface shall be given a
metallic sheen.
SSPC-SP 2 .....ANSWER.....Hand Tool Cleaning. Removes all loose
mill scale, rest, paint, and other detrimental foreign matter.
SSPC-SP 3 .....ANSWER.....Power Tool Cleaning.
Removes all loose mill scale, rest, paint, and other detrimental
foreign matter.
SSPC-SP 15 .....ANSWER.....Commercial Grade Power Tool
Cleaning.
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Free from visible contaminants, except as noted in Section 2.2 of
the standard. Random staining shall be limited to no more than
33%. Slight residues of rust and paint may also be left in the
bottom of the pits if the original surface is pitted.
SSPC-SP 11 .....ANSWER.....Power Tool Cleaning to Bare Metal.
A steel surface cleaned with power tools to bare metal when
viewed without magnification the surface shall be free from
visible contaminants. Slight residues of rust and paint may also
be left in the bottom of the pits if the original surface is pitted.
The surface profile roughness shall be a minimum of 1.o mil as
measured in accordance with Method C of ASTM D4417 or other
mutually agreed upon method. The peaks and valleys on the
surface shall form a continuous pattern with no smooth, unprofiled
spots in between.
NACE 6 (SSPC-SP 13) .....ANSWER.....Standard for Surface prep
of Concrete