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Nomma North East News&Events

JOIN US FOR METALfab 2011!

METALfab is one of NOMMA’s biggest functions to conduct the industry’s annual convention and trade show. This major event is held in a different city each year. Typically, between 600-700 fabricators attend METALfab annually.

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Stainless Steel Finishes

The information presented on this website is for general information purposes only, and is not intended as a warranty for its suitability in a particular project.It is intended for use by licensed design professionals to determine its proper application. The user assumes all liability arising from its use.

Summary of typical Stainless Steel Finishes
 Finish Designation Supplied by
Unpolished Finishes   

No. 1

A comparatively rough, dull surface produced by hot rolling to the specified thickness, followed by  annealing and descaling.

No. 2

A dull cold rolled finish produced by cold rolling to the specified thickness, followed by annealing and descaling.

No. 2B

A general purpose, bright cold rolled finished, more readily polished than the No. 1 or No. 2 finishes.

Polished Finishes   

 No. 3

A semi-finished polished surface, obtained with approximately 100 grit abrasive, generally used when later finishing will follow fabrication.

 No. 4   

A general purpose bright polished finish obtained with a 120-150 mesh abrasive.

 No. 6

A soft satin finish having lower reflectivity than the No. 4 finish, produced by brushing the No. 4 finish, using a medium abrasive.

 No. 7

A highly reflective finish produced by buffing a surface which has been first finely ground, but the “grit” lines not removed.

 No. 8

The most reflective finish commonly produced.  The surface is essentially free of “grit” lines.