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Significance and Use
4.1 Assessment of the condition of aged coated surfaces strengthens decisions on when coating maintenance is required, aids in the selection of effective coating maintenance procedures, and provides a means to characterize performance of coating systems. SSPC Technology Update No. 3 discusses the risks associated with selecting overcoating as a maintenance strategy, particularly without performing visual assessments and evaluating the physical properties of the existing coating system(s) described in Section .
1.1 This guide describes general procedures for conducting a detailed assessment of the condition of aged coatings on steel structures and the extent of rust breakthrough of the coated surface. Additional assessment may be required to support coating failure analyses or other job specific needs.
1.2 This guide does not address determining the structural condition of a steel substrate. It provides procedures to determine the percent of the surface rusted, but not the severity, condition, or cause of such rusting.
Note 1: A more comprehensive condition assessment procedure, Practice , has been developed for determining the condition of coatings on a ship.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D610 Practice for Evaluating Degree of Rusting on Painted Steel Surfaces
D660 Test Method for Evaluating Degree of Checking of Exterior Paints
D714 Test Method for Evaluating Degree of Blistering of Paints
D3359 Test Methods for Rating Adhesion by Tape Test
D4214 Test Methods for Evaluating the Degree of Chalking of Exterior Paint Films
D4541 Test Method for Pull-Off Strength of Coatings Using Portable Adhesion Testers
D5702 Practice for Field Sampling of Coating Films for Analysis for Heavy Metals
D6206 Practice for Sampling of Coating Films
D6677 Test Method for Evaluating Adhesion by Knife
D7091 Practice for Nondestructive Measurement of Dry Film Thickness of Nonmagnetic Coatings Applied to Ferrous Metals and Nonmagnetic, Nonconductive Coatings Applied to Non-Ferrous Metals
F1130 Practice for Inspecting the Coating System of a Ship
Society for Protective CoatingsSSPC Technology Update No. 3 Overcoating
ICS Number Code 25.220.99 (Other treatments and coatings)
UNSPSC Code 31211504(Coating paints)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM D5065-17, Standard Guide for Assessing the Condition of Aged Coatings on Steel Surfaces, ASTM International, West Conshohocken, PA, 2017, www.astm.orgBack to Top