Tag Archives: waterjet cleaning

Why is steel matte gray after Waterjetting (hydroblasting)

July 31, 2017


Why is Steel dark Gray after hydroblasting?  What does the profile under corrosion look like? A short monograph. dark grey steel  

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Microscopic Analysis of Steel after Waterjet Cleaning

February 25, 2016


In the late 1990’s,  I received a report from Materials Evaluation Laboratory.  The report is copyrighted.  The pump company had cleaned UHP WJ on panels supplied by a major oil company.  Materials Evaluation Laboratory analyzed the substrate with microscopy and metallurgy compared to abrasive blasting.  This was at the time that UHP WJ was scarce and […]

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