Classification of Flash Rust

Posted on 15. Mar, 2009 by .

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Light Flash Rust Light (L) flash rusted surface: A surface that, when viewed without magnification, exhibits small quantities of a rust layer through which the steel substrate may be observed.  The rust or discoloration may be evenly distributed or present in patches, but it is tightly adherent and not easily removed by lightly wiping with [...]

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Discoloration

Posted on 15. Mar, 2009 by .

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Discoloration Brown or black discoloration remaining in pits is not the same as flash rust. Metals other than carbon steel can manifest discoloration as well. USS Champlain CG 67 Example of Discoloration San Diego 2002. Photo courtesy Y&T Consulting     There is no one single type of “flash rust.” With the exception of stainless [...]

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Project Goals and Objectives

Posted on 13. Mar, 2009 by .

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Project Goals and Objective: This document is a supplement to SSPC-VIS No. 4 NACE VIS 7 (or ISO 8501-4). SSPC-VIS No. 4 NACE VIS 7, ISO 8501-4, International Paint Hydroblasting photos, and Hempel photos do not illustrate 1) an example of lightly wiping 2) an example of the surface after excess flash rust with loose rust dust [...]

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Mega Rust Workshop Updates

Posted on 12. Mar, 2009 by .

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Date : 2009-03-12
2 Separate Workshops on “How to Inspect for Flash Rust”
To replace the description sent out on 2009-03-09
Contact Person: Lydia Frenzel, 512-392-2210; lydiafrenzel@advisorycouncil.org

Frenzel tried to cover two workshops with one write-up. This was confusing to some people.

The tag line “Practical Solutions for Practical Problems” reflects Dr. Frenzel’s approach to life with the “Keep it Simple Stupid” approach. If you are an inspector and never been on a waterjetting job, OR If you have ever been in an argument concerning light, moderate, or heavy flash rust, this workshop is for you.

Here are two separate Press Releases.

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Mega Rust 2009

Posted on 09. Mar, 2009 by .

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Subject: 2 Workshops in 2009 at MegaRust and WJTA on “How to Inspect Flash Rust” Why is this positive action needed when the HydroBlast or WaterJet standards have been issued since 1994? The NSRP SP-3 Project “Surface Preparation QA/QC process Improvement” released in December 2007 identified “flash rusting is perceived to have relatively low impact [...]

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Beware the Spider

Posted on 06. Mar, 2009 by .

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Rusty Brown says: Flash rust is like dry skin. It brushes off leaving new skin. Rust back is like the bite of the spider. It festers and keeps eating deeper.

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Beware the Cut

Posted on 06. Mar, 2009 by .

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Rusty Brown says: Corrosion is like the infection that attacks you when your skin is cut or damaged.

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Oranges and Apples

Posted on 06. Mar, 2009 by .

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Rusty Brown says: The steel hull loomed above the two engineers who were reading some specification sheets. Ones says, “Put the paint on thicker. That way it won’t peel off.” The other says, “Which is easier to peel with your thumbnail, oranges or apples.”

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You’re Skidding

Posted on 06. Mar, 2009 by .

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Rusty Brown says: Dust is to paint as grease is to tires.

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Paint Sticks

Posted on 06. Mar, 2009 by .

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Rusty Brown says: Paint sticks to the surface when it covers the ridges and fills the valleys. Paint is like fresh air. Smog displaces fresh air when it fills the valleys. Paint can’t stick when the valleys are dirty.

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