estimation

Area Calculations for Job Estimation

I know my area to blast!

Pipe

Flat Surface

Cylindrical Tank

Spherical Tank

Job Estimation

Select the Grade of the Steel

Job Estimation

Select the Blast Type

Brush Off Blast Definition: A Brush-Off Blast Cleaned Surface Finish is defined as one from which all oil, grease, dirt, rust scale, loose mill scale, loose rust and loose paint or coatings are removed completely but tight mill scale and tightly adhered rust, paint and coatings are permitted to remain provided that all mill scale and rust have been exposed to the abrasive blast pattern sufficiently to expose numerous flecks of the underlying metal fairly uniformly distributed over the entire surface. NACE–4, SSPC-SP-7, SA-1

Commercial Blast Definition: A Commercial Blast Cleaned Surface Finish is defined as one from which all oil, grease, dirt, rust scale and foreign matter have been completely removed from the surface and all rust, mill scale and old paint have been completely removed except for slight shadows, streaks, or discolorations caused by rust stain, mill scale oxides or slight, tight residues of paint or coating that may remain; if the surface is pitted, slight residues of rust or paint may by found in the bottom of pits; at least two-thirds of each square inch of surface area shall be free of all visible residues and the remainder shall be limited to the light discoloration, slight staining or tight residues mentioned above. NACE–3, SSPC-SP-6, SA-2

Near White Metal Definition: A Near-White Blast Cleaned Surface Finish is defined as one from which all oil, grease, dirt, mill scale, rust, corrosion products, oxides, paint or other foreign matter have been completely removed from the surface except for very light shadows, very slight streaks or slight discolorations caused by rust stain, mill scale oxides, or light, tight residues of paint or coating that may remain. At least 95 percent of each square inch of surface area shall be free of all visible residues, and the remainder shall be limited to the light discoloration mentioned above. NACE-2, SSPC-SP-10, SA–2½

White Metal Blast Definition: A White Metal Blast Cleaned Surface Finish is defined as a surface with a gray-white, uniform metallic color, slightly roughened to form a suitable anchor pattern for coatings. The surface, when viewed without magnification, shall be free of all oil, grease, dirt, visible mill scale, rust, corrosion products, oxides, paint, or any other foreign matter. NACE–1, SSPC-SP-5, SA-3

Job Estimation

Select the Anchor Pattern Required

1-1/2 mils Green Diamond #6 or Black Beauty #6

2 mils Green Diamond #4 or Black Beauty #4

2-1/2 mils Green Diamond #3 or Black Beauty #3

3 mils Green Diamond #2 or Black Beauty #2

Job Estimation

Select the CFM of your compressor, or Nozzle Size

100 CFM or 1/4""

200 CFM or 5/16""

250 CFM or 3/8""

325 CFM or 7/16""

400 CFM or 1/2""