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ASTM D5065-17(2021)

(Guide)

Standard Guide for Assessing the Condition of Aged Coatings on Steel Surfaces

Standard Guide for Assessing the Condition of Aged Coatings on Steel Surfaces

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 5.
SCOPE
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 F1130, 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.

General Information

Status
Published
Publication Date
31-Oct-2021
ICS
25.220.99 - Other treatments and coatings
Technical Committee
D01 - Paint and Related Coatings, Materials, and Applications
Drafting Committee
D01.46 - Industrial Protective Coatings
Current Stage
Ref Project

Relations

Refers
ASTM D4214-23 - Standard Test Methods for Evaluating the Degree of Chalking of Exterior Paint Films
Effective Date
01-Oct-2023
Refers
ASTM F1130-99(2020) - Standard Practice for Inspecting the Coating System of a Ship
Effective Date
01-Feb-2020
Refers
ASTM D660-93(2019) - Standard Test Method for Evaluating Degree of Checking of Exterior Paints
Effective Date
01-Oct-2019
Refers
ASTM D610-08(2019) - Standard Practice for Evaluating Degree of Rusting on Painted Steel Surfaces
Effective Date
01-Jan-2019
Refers
ASTM D4214-07(2015) - Standard Test Methods for Evaluating the Degree of Chalking of Exterior Paint Films
Effective Date
01-Jun-2015
Refers
ASTM F1130-99(2014) - Standard Practice for Inspecting the Coating System of a Ship
Effective Date
01-Jan-2014
Refers
ASTM D5702-07(2012) - Standard Practice for Field Sampling of Coating Films for Analysis for Heavy Metals
Effective Date
01-Nov-2012
Refers
ASTM D610-08(2012) - Standard Practice for Evaluating Degree of Rusting on Painted Steel Surfaces
Effective Date
01-Nov-2012
Refers
ASTM D6677-07(2012) - Standard Test Method for Evaluating Adhesion by Knife
Effective Date
01-Nov-2012
Refers
ASTM D7091-12 - Standard Practice for Nondestructive Measurement of Dry Film Thickness of Nonmagnetic Coatings Applied to Ferrous Metals and Nonmagnetic, Nonconductive Coatings Applied to Non-Ferrous Metals
Effective Date
01-Apr-2012
Refers
ASTM D660-93(2011) - Standard Test Method for Evaluating Degree of Checking of Exterior Paints
Effective Date
01-Nov-2011
Refers
ASTM F1130-99(2009) - Standard Practice for Inspecting the Coating System of a Ship
Effective Date
01-Oct-2009
Refers
ASTM D714-02(2009) - Standard Test Method for Evaluating Degree of Blistering of Paints
Effective Date
01-Jul-2009
Refers
ASTM D3359-09e1 - Standard Test Methods for Measuring Adhesion by Tape Test
Effective Date
01-Jun-2009
Refers
ASTM D6206-09 - Standard Practice for Sampling of Coating Films
Effective Date
01-Feb-2009

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ASTM D5065-17(2021) - Standard Guide for Assessing the Condition of Aged Coatings on Steel SurfacesASTM D5065-17(2021) - Standard Guide for Assessing the Condition of Aged Coatings on Steel Surfaces
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ASTM D5065-17(2021) - Standard Guide for Assessing the Condition of Aged Coatings on Steel Surfaces
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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.
Designation: D5065 − 17 (Reapproved 2021)
Standard Guide for
Assessing the Condition of Aged Coatings on Steel
Surfaces
This standard is issued under the fixed designation D5065; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope D3359 Test Methods for Rating Adhesion by Tape Test
D4214 Test Methods for Evaluating the Degree of Chalking
1.1 This guide describes general procedures for conducting
of Exterior Paint Films
a detailed assessment of the condition of aged coatings on steel
D4541 Test Method for Pull-Off Strength of Coatings Using
structures and the extent of rust breakthrough of the coated
Portable Adhesion Testers
surface. Additional assessment may be required to support
D5702 Practice for Field Sampling of Coating Films for
coating failure analyses or other job-specific needs.
Analysis for Heavy Metals
1.2 This guide does not address determining the structural
D6206 Practice for Sampling of Coating Films
condition of a steel substrate. It provides procedures to
D6677 Test Method for Evaluating Adhesion by Knife
determinethepercentofthesurfacerusted,butnottheseverity,
D7091 Practice for Nondestructive Measurement of Dry
condition, or cause of such rusting.
Film Thickness of Nonmagnetic Coatings Applied to
Ferrous Metals and Nonmagnetic, Nonconductive Coat-
NOTE 1—A more comprehensive condition assessment procedure,
Practice F1130, has been developed for determining the condition of
ings Applied to Non-Ferrous Metals
coatings on a ship.
F1130 Practice for Inspecting the Coating System of a Ship
1.3 This standard does not purport to address all of the
2.2 Society for Protective Coatings:
safety concerns, if any, associated with its use. It is the SSPC Technology Update No. 3 Overcoating
responsibility of the user of this standard to establish appro-
3. Summary of Practice
priate safety, health, and environmental practices and deter-
mine the applicability of regulatory limitations prior to use. 3.1 This practice for assessing the condition of coatings
1.4 This international standard was developed in accor- consists of identifying general types of components of a
dance with internationally recognized principles on standard- structure and assessing each separately for commonly occur-
ization established in the Decision on Principles for the
ring modes of coating deterioration and substrate rusting using
Development of International Standards, Guides and Recom- visual guides and evaluation tools. A form for recording the
mendations issued by the World Trade Organization Technical
results of the assessment procedure (Fig. 1) is provided.
Barriers to Trade (TBT) Committee.
4. Significance and Use
2. Referenced Documents
4.1 Assessment of the condition of aged coated surfaces
2.1 ASTM Standards:
strengthens decisions on when coating maintenance is
D610 Practice for Evaluating Degree of Rusting on Painted
required, aids in the selection of effective coating maintenance
Steel Surfaces
procedures, and provides a means to characterize performance
D660 Test Method for Evaluating Degree of Checking of
of coating systems. SSPC Technology Update No. 3 discusses
Exterior Paints
the risks associated with selecting overcoating as a mainte-
D714 Test Method for Evaluating Degree of Blistering of
nance strategy, particularly without performing visual assess-
Paints
ments and evaluating the physical properties of the existing
coating system(s) described in Section 5.
This guide is under the jurisdiction of ASTM Committee D01 on Paint and
Related Coatings, Materials, and Applications and is the direct responsibility of 5. Procedure
Subcommittee D01.46 on Industrial Protective Coatings.
5.1 Survey the structure to (1) determine the general types
Current edition approved Nov. 1, 2021. Published November 2021. Originally
of unique components (for example, for fuel tanks the compo-
approved in 1990. Last previous edition approved in 2017 as D5065 – 17. DOI:
10.1520/D5065-17R21.
nents may be shell, roof, ladders, and piping) and the service
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on Available from The Society for Protective Coatings (SSPC), 800 Trumbull
the ASTM website. Drive, Pittsburgh, PA 15205-4365, http://www.sspc.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D5065 − 17 (2021)
Condition Assessment
Structure Date Inspector Overall Environment
Original 1st Maintenance 2nd Maintenance
Coating System Coating System Coating System
Surface Preparation Surface Preparation Surface Preparation
Year Applied Year Applied Year Applied
Primer Primer Primer
Midcoat Midcoat Midcoat
Midcoat Midcoat Midcoat
Topcoat Topcoat Topcoat
Structure Description Ratings Measurements
Local Environ- Under film
A
Component Rust Peeling Blistering Cracking Chalking Thickness Adhesion Remarks
A
ment Condition
A
Rusting corresponds to Practice D610, that is, that which is observed upon visual inspection
...

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3.1 Specimens for analysis must be adequately sampled, packaged, and documented to obtain meaningful information from the laboratory. The sampling procedure and packaging will be dependent upon the reason for taking the sample.
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5.1 This test procedure is used to simulate the physical and environmental stresses that a coating for exterior transportation applications (for example, automotive) is exposed to in a subtropical climate, such as southern Florida. It has been found that such a subtropical climate causes particularly severe deterioration of such coatings. The long water exposures and wet/dry cycling found in southern Florida are particularly important for this deterioration, in addition to the high dosage of solar radiation (3). This practice was developed to address the deficiencies of historical tests used for transportation coatings, especially automotive coatings (4).
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1.1 This practice specifies the operating procedures for a controlled irradiance xenon arc light and water apparatus. The procedure uses one or more lamp(s) and optical filter(s) to produce irradiance similar to sunlight in the UV and visible range. It also simulates the water absorption and stress cycles experienced by automotive exterior coatings under natural weathering conditions. This practice has also been found applicable to coatings on other transportation vehicles, such as aircraft, trucks and rail cars.  
1.2 This practice uses a xenon arc light source with specified optical filter(s). The spectral power distribution (SPD) for the lamp and special daylight filter(s) is as specified in Annex A1. The irradiance level used in this practice varies between 0.40 and 0.80 W/(m2·nm) at 340 nm. Water is sprayed on the specimens during portions of several dark steps. The application of water is such that the coatings will absorb and desorb substantial amounts of water during testing. In addition, the cycling between wet/dry and warm/cool will induce mechanical stresses into the materials. These test conditions are designed to simulate the physical and chemical stresses from environments in a subtropical climate, such as southern Florida.  
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5.1 Old coatings, such as paint or related coatings, may have to be removed from a surface before successful recoating can occur. This practice can be used to test the coatings removal efficiency of products designed for such use.
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