Tag Archives: waterjet

Why is steel matte gray after Waterjetting (hydroblasting)

July 31, 2017

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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

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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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Common Safety Errors Found in Pressure Washing, Hydroblasting, or WaterJetting

May 17, 2011

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Common Safety Errors Found in Pressure Washing, Hydroblasting, or WaterJetting Reviewed: 2011-05-17 by Lydia Frenzel The Advisory Council compiled a Special Report of errors, accidents, incorrect assembly practices and faulty work habits in 2002. Luis Ortega Trotter, who is now deceased, from AcquaBlast in Brazil provided the photos to the Advisory Council WaterJet Workshop on […]

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