Letter 32046

Blast media for stainless bars that leave no iron deposits  

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WE CURRENTLY USE A SOFT STEEL SHOT TO BLAST SS. BARS. THE PROBLEM WITH THIS IS THE STEEL SHOT IS LEAVING AN IRON DEPOSIT ON OUR STAINLESS BARS, CAUSING THEM TO FAIL CORROSION TESTS. THIS IS A HIGH PRIORITY ISSUE WITH OUR COMPANY, AND FINDING A NEW MEDIA THAT WILL WORK IN OUR BLAST MACHINES FOR THIS PURPOSE.

THANK YOU!

Steve Roberts
TITANIUM- WIRE DRAWING - Wooster, Ohio, USA

I think that someone makes stainless steel shot. Glass breaks down fast so is probably not cost effective.

James Watts
- Navarre, Florida

Aluminum Oxide

Robert H Probert Robert H Probert Technical Services Garner, NC, USA Editor's note:        Mr. Probert is the    author of Aluminum How-To

YOU CAN USE WALNUT SHELL GRIT OR GLASS BEAD FOR THE PURPOSE OF BLAST CLEANING YOUR PRODUCT.

RAJESH PATEL
- JAMNAGAR, GUJARAT, INDIA

You should also be aware of the pass through semi-automated systems similar to wire drawing; however, you use power brushes.

AF Kenton Nova Finishing Systems Inc. Huntingdon Valley, PA

The glass small spheres at 0.2-0.5 mmdia or larger if you find it.

Here in Romania will produce it.

Damian Dinu
- Constanta, ROMANIA

You may want to consider using Stainless Steel cut Wire Shot. The hardness generally ranges between 52-58 Rc. The use of this media will eliminate Ferrous contamination from you cleaning process.

Michael Deakin
- Buffalo, New York

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