Surface Preparation Guide Booklet

SKU: INEBSPG
  • Visual representation of rust and coating preparation grades on steel substrates
  • Similar to SSPC-VIS 1 Visual Standards and Reference Photographs
  • Handy flip-top, wire bound, reference book
  • Provides a visual comparison with SSPC standards. Full color photographs. Wipe-clean gloss pages. Flip top wire binding. Supplied in a protective pouch.
  • Not a certified visual standard – use as a guide

Surface Preparation Guide Booklet

SKU: INEBSPG
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$85.00

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Description

Blast-Cleaned Surface – Class of Blast – Cleanliness

BRUSH-OFF BLAST

Tightly adherent mill scale and rust may remain on the surface. Mill scale and rust are considered adherent if they cannot be removed with a dull putty knife.

  • SSPC-SP 7

  • NACE No. 4

  • SA-1

COMMERCIAL BLAST

Evenly dispersed very light shadows, streaks and discolorations caused by stains of rust and mill scale may remain on no more that 33% of the surface.

  • SSPC-SP 6

  • NACE No. 3
  • SA-2

NEAR-WHITE METAL BLAST

Evenly dispersed very light shadows, streaks and discolorations caused by stains of rust and mill scale may remain on 5% of the surface.

  • SSPC-SP 10

  • NACE No. 2

  • SA-2-1/2

WHITE METAL BLAST

Free of all visible oil, grease, dirt, dust, mill scale and rust.

  • SSPC-SP 5

  • NACE No. 1

  • SA-3

For a certified standard, Use ISO8501 visual standard, swedish rust standard ISO8501 SIS0559 00, used in accordance with AS1627 Australian Standard – specified by ASTM 2200 Method A, BS7079/ISO 8501: part A1: Supplement 1

Definition of SSPC-SP 10/NACE NO. 2 Near-White Blast Cleaning

  1. A near-white metal blast cleaned surface, when viewed without magnification, shall be free of all visible oil, grease, dust, dirt, mill scale, rust, coating, oxides, corrosion products, and other foreign matter, except for staining as noted in Section 2.

  2. Random staining shall be limited to no more than 5 percent of each unit area of surface as defined in Section 6, and may consist of light shadows, slight streaks, or minor discolorations caused by stains of rust, stains of mill scale, or stains of previously applied coating.
  3. Acceptable variations in appearance that do not affect surface cleanliness as defined in Section 1 include variations caused by type of steel, original surface condition, thickness of the steel, weld metal, mill or fabrication marks, heat treating, heat affected zones, blasting abrasives, and differences in the blast pattern.
  4. When a coating is specified, the surface shall be roughened to a degree suitable for the specified coating system.
  5. Immediately prior to coating application, the entire surface shall comply with the degree of cleaning specified herein.
  6. Unit area for determinations shall be approximately 5776 mm (9 sq in) – (i.e., a square 76 mm x 76 mm [3 in x 3 in]).
  7. SSPC-VIS 1 photographs A SP-10, B SP-10, C SP-10 or D SP-10 may be specified to supplement the written definition. In any dispute, the written standards shall take precedence over visual standards and comparators.


Definition of SSPC-SP 6/NACE NO. 3 Commercial Blast Cleaning

  1. A commercial blast cleaned surface, when viewed without magnification, shall be free of all visible oil, grease, dust, dirt, mill scale, rust, coating, oxides, corrosion products, and other foreign matter, except for staining as noted in Section 2.

  2. Random staining shall be limited to no more than 33 percent of each unit area of surface as defined in Section 6, and may consist of light shadows, slight streaks, or minor discolorations caused by stains of rust, stains of mill scale, or stains of previously applied coating.
  3. Acceptable variations in appearance that do not affect surface cleanliness as defined in Section 1 include variations caused by type of steel, original surface condition, thickness of the steel, weld metal, mill or fabrication marks, heat treating, heat affected zones, blasting abrasives, and differences due to blasting technique.
  4. When a coating is specified, the surface shall be roughened to a degree suitable for the specified coating system
  5. Immediately prior to coating application, the entire surface shall comply with the degree of cleaning specified herein.
  6. Unit area for determinations shall be approximately 5776 mm2 (9 in2) (i.e., a square 76 x 76 mm [3 in x 3 in])
  7. SSPC-VIS 1-89 may be specified to supplement the written definition. In any dispute, the written standards shall take precedence over visual standards and comparators.


Definition of SSPC-SP 7/NACE NO. 4 Brush-Off Blast Cleaning

  1. A brush-off blast cleaned surface, when viewed without magnification, shall be free of all visible oil, grease, dirt, dust, loose mill scale, loose rust, and loose coating. Tightly adherent mill scale, rust, and coating may remain on the surface. Mill scale, rust, and coating are considered tightly adherent if they cannot be removed by lifting with a dull putty knife after abrasive blast cleaning has been performed.

  2. The entire surface shall be subjected to the abrasive blast. The remaining mill scale, rust, or coating shall be tight. Flecks of the underlying steel need not be exposed whenever the original substrate consists of intact coating.
  3. When a coating is specified, the surface shall be roughened to a degree suitable for the specified coating system.
  4. Immediately prior to coating application, the entire surface shall comply with the degree of cleaning as specified herein.
  5. Visual standards or comparators may be specified to supplement the written definition. In any dispute, the written standards shall take precedence over visual standards and comparators.


Definition of SSPC-SP 5/NACE NO. 1 White Metal Blast Cleaning

  1. A white metal blast cleaned surface, when viewed without magnification, shall be free of all visible oil, grease, dust, dirt, mill scale, rust. coating, oxides, corrosion products, and other foreign matter

  2. Acceptable variations in appearance that do not affect surface cleanliness as defined in Section 1 include variations caused by type of steel, original surface condition, thickness of the steel, weld metal, mill or fabrication marks, heat treating, heat affected zones, blasting abrasives, and differences due to blasting technique
  3. When a coating is specified, the surface shall be roughened to a degree suitable for the specified coating system.
  4. Immediately prior to coating application, the entire surface shall comply with the degree of cleaning specified herein.
  5. SSPC-VIS 1-89 may be specified to supplement the written definition. In any dispute, the written standards shall take precedence over visual standards and comparators.