Rust grades and surface preparation steel surfaces are defined in ISO 8501-1 .
Rust grades are defined as A,B, C and D .
There are various methods for surface preparation of the steel surface viz, Blast cleaning (Sa), Hand and power tool cleaning ( St), Flame cleaning(FI).
St3 profile is defined as very thorough hand and power tool cleaning. ( Refer the photographs as per ISO 8501-1, for comparison.)
The requirement of surface preparation is defined by the paint manufacturer / consultant depending upon the required level of protection by painting.
With Best Regards,
Jignesh R Rana
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From: Suresh <bobsuresh24@gmail.com>
To: materials-welding@googlegroups.com
Date: 16-07-11 22:00
Subject: [MW:11754] What is the rust grade in ST3 profile for A 537 Plate ..
Sent by: materials-welding@googlegroups.com
Dear All ,
Could you please confirm that what is the rust grade in st3 profile for A 537 CL1 material ..means grades are allocated for st3 B/C/D ...
which grade can be suitable for 537 CL 1 Material ...B? C? D? , Please show some copy or spec .
Thank you for your time ....
Suresh
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