Comparator Standards

This document is part of The Swedish Standards in three (3) sections

Section 1 = An outline of what The Swedish Standards represent

Section 2 = An outline of the start condition

Section 3 = Cleaning Specification

Blast Cleaned Steel Cleanliness

The following shows how a blast cleaning standard much improves the cleanliness and requirements demanded today.

Preparation Grades

[caption id="attachment_1968" align="alignleft" width="300"] A to Sa 2.5. Almost white metal with very little remaining scale, no visible oxidisation or rust. This is a very commercially acceptable standard[/caption]

[caption id="attachment_1969" align="alignleft" width="300"] A to Sa 3 steel is entirely free of mill scale and rust[/caption]

[caption id="attachment_1970" align="alignleft" width="300"] B to Sa 1[/caption]

[caption id="attachment_1972" align="alignleft" width="300"] B to Sa 2[/caption]

[caption id="attachment_1973" align="alignleft" width="300"] B to Sa 2.5[/caption]

[caption id="attachment_1974" align="alignleft" width="300"] B to Sa 3[/caption]

[caption id="attachment_1975" align="alignleft" width="300"] C to Sa 1[/caption]

[caption id="attachment_1976" align="alignleft" width="300"] C to Sa 2[/caption]

[caption id="attachment_1978" align="alignleft" width="300"] C to Sa 2.5[/caption]

[caption id="attachment_1979" align="alignleft" width="300"] C to Sa 3[/caption]

[caption id="attachment_1980" align="alignleft" width="300"] D to Sa 1[/caption]

[caption id="attachment_1981" align="alignleft" width="300"] D to Sa 2[/caption]

[caption id="attachment_1982" align="alignnone" width="300"] D to Sa 2.5[/caption]

[caption id="attachment_1983" align="alignnone" width="300"] D to Sa 3[/caption]

Should you require any further explanations or help in achieving your cleanliness goals please complete the contact form.