The test specimen was loaded into the test chamber in the orientations shown. Brochures, technical info, manuals, operation manuals for weices salt spray fog chambers, salt spray cabinets, uv accelerated weathering testers. This is a method to test the parts erosion resistance for common surface coating, covering almost every type of part that needed to evaluate the erosion resistance. E691 practice for conducting an interlaboratory study to determine the precision of a test method. The salt spray test or salt frog spry test is the most popular global test to be performed on stainless steels. Salt spray test report functional fenestration inc. This article is about auto part testing by evaluate the white or red rust for. The reason is that the salt spray test offers numerous advantages. One of the most interesting is that the test is multimaterial. It is important to note that the standard does not prescribe the interpretation of the results. While there have been some additions and changes to the language used in defining the introduction, scope and references, the major changes are as.
Sometimes referred to as salt fog, a salt spray test is conducted in a closed chamber that can be adjusted to create a variety of corrosive environments. New salt mist corrosion standard iec 60068252 approval. Apr 05, 2018 in the salt spray test, samples are placed in an enclosed salt spray testing cabinet or chamber built to astm b117 specifications and subjected to uninterrupted indirect fog or spray of a salt water solution. This environment is maintained throughout the duration of the test. The information provided in this technical report including the recommendations for use and application. This question is relevant to producers of marine and wind turbine equipment as well as automotive and certain equipment for military use. Test report hvac equipment installed on the exterior or rooftop of a building can be exposed to extreme ambient conditions. This study reports on the salt spray corrosion of polymer coating on steel substrate. The astm b117 standard for operating a salt fog or salt spray cabinet, aka the salt spray or salt fog test, is a widely used corrosion test required by many companies and.
The objective of the salt spray corrosion test was to observe the effects on the whole conductor, and individual core wires and aluminum strands of. Astm b117 19 standard practice for operating salt spray. The test based on iec 60068252 severity 1 second edition 199601 2. The samples were subjected to testing in a singleton salt spray cabinet using astm b117 test methods. Product test report ptr4183 swagelok company ver 02 29500 solon road november 2018 solon, ohio 449 u. It can happen in any form and cause a range of material alteration from mechanical damage through changes in physical properties to changes in physical appearance. Salt spray test in the salt spray test, the coating is exposed to a high humidity and high salt content environment for extended periods. A number in parentheses indicates the year of last reapproval. Salt spray test is a method to examine erosion resistance by sprinkling the salt water to the part. Both industries are represented by trade associations which promote the use of their respective products. An analysis of betaled fixtures to determine corrosion resistance of all. A corrosion analysis of aluminum alloys and coatings. Army corps of engineers hqusace under project 4a162784at41, military facilities engineering.
Micom offers testing to astm g85 as part of its corrosion testing solutions. E70 test method for ph of aqueous solutions with the glass electrode. Accredited test report if required, delta will during the test 1504. Corrosion test chambers testing climate resistance to the limit standard. Test procedure and acceptance criteria for factory applied finish coatings for steel doors and frames 1 general 1. Astm b117 testing quality control micom laboratories.
In the salt spray test, samples are placed in an enclosed salt spray testing cabinet or chamber built to astm b117 specifications and subjected to uninterrupted indirect fog or spray of a salt water solution. Although astm g85 is based on astm b117, it offers more aggressive test conditions such as using a test solution with a lower ph, alternating between corrosive and neutral atmosphere or by using an aggressive electrolyte mix. How well is your equipment able to function in a salt laden atmosphere. Iso 92272017e salt spray method statement equipment. Test method 8 is the same as test method 7 but using an acidified salt solution instead of a neutral. Posted on 09272016 07142017 the salt spray test or salt frog spry test is the most popular global test to be performed on stainless steels. Astm b117 testing quality control astm b117 testing, also known as a standard practice for operating salt spray fog, is used to analyze relative corrosion for specimens of metals and coated metals exposed to various simulated climatic conditions in a controlled environment. Pdf the salt spray corrosion of polymer coating on steel. A salt spray test is a corrosion testing method that uses highsaline environments to measure the corrosion resistance of products, paints and coatings over extended periods.
The buu chi customer submitted an aluminum panel, which were coated with akzonobel powder tge0033av, then sent to asean technical support lab for nss testing with reference to astm b117 standard. The astm b 11795 testing procedure is the hvac industry standard method of. Salt spray testing is used to check corrosion resistance of coatings and metallic materials. The test surface for each of the round samples was approximately 7cm. Lift slide hardware 3000 hour test results ffi stainless steel 304 body. Astm b117 salt spray testing being conducted at atc test lab. Salt mist test avoid the damaging effects of salt in the atmosphere when is a salt mist test relevant. The following information will be helpful to generate a quote. Corrosion testing services including salt spray test corrosion is a form of material degradation that happens when material interacts with its environment. A salt spray test is a corrosion testing method that uses highsaline environments to measure the corrosion resistance of products, paints and coatings over extended periods sometimes referred to as salt fog, a salt spray test is conducted in a closed chamber that can be adjusted to create a variety of corrosive environments.
Results obtained are tested values and were secured by using the designated test method. A drake 795 kcmil acsr was also tested for comparison purposes. Salt spray corrosion test report euro quality coatings. Test objective and standard the objective of the salt spray corrosion test was to observe the effects on the whole conductor, and individual core wires and aluminum strands of the accr conductor when exposed to a salt spray atmosphere up to 2000 hours. Examination after every 24 hours revealed the following observations. Salt mist test avoid the damaging effects of salt in the atmosphere. Emi solutions filtered insert salt spray test report milstd810f test report dr brett d robinson, director of engineering emi solutions inc. It also describes the method employed to evaluate the corrosivity of the testcabinet environment. Unfortunately there is no direct correlation between exposure hours in the chamber and real world conditions since corrosion is comprised of many factors, but salt spray testing is a good tool for evaluating corrosion resistance. In the process, firstly, steel coupons are sand blasted, chemically cleaned, and phosphated in different time. Although we are unable to give an actual life expectancy relative to the accelerated salt spray testing, we do feel it gives you a good relative test when compared to other competitive products. Usually, the materials to be tested are metallic although stone, ceramics, and polymers may also be tested and finished with a surface coating which is intended to provide a degree of corrosion protection to the underlying metal.
The astm b117 test standard has also been approved for use by department of defense agencies. Panels retained their color and gloss throughout the entire 2,696 hours of the salt spray test. Test report for 3m to compare the salt spray corrosion performance of 795kcmil 3m brand composite conductor to 795 acsr conductor kinectrics north america inc. Information sheet salt spray testing why it should not. Test samples three steel flange samples overcoated with oxifree tm198 coating system were prepared by oxifree co. Reference standard gbt 64612002 methods for corrosion testing of metallic and other inorganic coatings on metallic substratesrating of test specimens and manufactured. After exposure to hours acetic acid salt spray, the supplied panel showed no loss of paint adhesion or blistering. Isodis 9227en, corrosion tests in artificial atmospheres. Both terms, spray and fog, refer to the same test procedure. Operation manuals for weices salt spray fog chambers, salt spray cabinets, uv accelerated weathering testers.
There are three variations to this test and they include neutral salt spray nss, acetic acid salt spray aass, and copperaccelerated acetic acid. Sample dimensions length x width x height number of samples. Both the plug and key was introduced into the salt spray chamber. Microsoft word led fixture corrosion test technical report 123c. D1654 test method for evaluation of painted or coated specimens subjected to corrosive environments. The surface treatment of the items, the rust ratings, and the hours in test are shown in table ii. The use of salt spray test results to guide selection of protective coatings for steel remains a serious problem in the engineering community. It also does not prescribe the exposure periods to be used for the specific products or the type of test specimen. The copperaccelerated acetic acid salt spray test is useful for testing decorative coatings of.
Specifically, the discussion will concentrate on the salt spray or salt fog test. Product test report ptr4184 swagelok company ver 02 29500 solon road november 2018 solon, ohio 449 u. Astm b117 salt fog or salt spray test is a very popular corrosion test designed to provide corrosion resistance information on metals and coated metals. Accordingly, the information in this document shall not be. Standard practice for operating salt spray fog apparatus1. Astm b117 salt fog and salt spray corrosion testing g2mt.
There were 15 samples for each of the 6 alloycoating combinations, resulting in a total of 90 samples. The salt spray test is the oldest corrosion test and the most widely used by users of highly corrosionresistant material. The salt spray or salt fog test is a standardized and popular corrosion test method, used to. To determine the corrosive tendency when a metal or coated surface is scratched perform astm b117. Standard practice for operating salt spray fog apparatus1 this standard is issued under the. Chloride stress corrosion cracking cscc test of 316 stainless steel swagelok tube fittings with stainless steel tubing using 65c cyclic salt spray with substitute ocean water. The copperaccelerated acetic acid salt spray test cass is the test method in which an acidified 5 % sodium chloride solution with the addition of copper chloride and glacial acetic acid is atomized under a controlled environment. Salt spray testing why it should not be used to compare different types of coatings for users of protective coatings in the construction, manufacturing or engineering industry, there is one aspect of corrosion science that requires careful understanding that is the role and limitations of accelerated corrosion testing.
Astm b117 salt fog and salt spray testing is relatively fast way to analyze the corrosion caused by salt water and chlorides on coated metals and alloys. Salt spray test report stainless steel manufacturer comparative. Evaluation of galvanized and galvalume paint duplex. It also describes the method employed to evaluate the corrosivity of the test cabinet environment. The salt spray or salt fog test is a standardized and popular corrosion test method, used to check corrosion resistance of materials and surface coatings. Chloride stress corrosion cracking cscc test of 316 stainless steel swagelok tube fitting engineered combinations using 65c cyclic salt spray with substitute ocean water. Astm b117 practice for operating salt spray fog apparatus.
Depending on the location the installed equipment, it can. The salt spray test and its use in ranking stainless steels. Reference standard gbt 64612002 methods for corrosion testing of metallic and other inorganic coatings on metallic substratesrating of test specimens and manufactured articles subjected to corrosion tests experiments. This test report is the confidential property of whitford worldwide and is intended for the exclusive use of the parties listed above the above test results are representative of the specific materials at the time oftesting only and are presented in good faith as information only without warranty. Results are represented generally as testing hours in nss without appearance of corrosion. Despite the well understood limitations of the test in the corrosion world, it is still used to promote the use of coatings whose properties happen to produce apparently favourable results. Astm b11719 covers the apparatus, procedure, and guidelines to create and sustain the salt spray fog test environment. This document will try to explain the limits in the use and interpretation of salt spray tests. Disclosure restriction this document contains information that is proprietary to emi solutions inc.
This report does not constitute certification of this product nor an opinion or endorsement by this. This test is designed to determine how well the coating can mitigate under creep corrosion and maintain adhesion and cohesion properties, within the service environment. Iso 9227 salt spray and salt fog testing the international standard 9227 or better known as iso 9227 is a corrosion test in artificial atmospheres. Figure 1 qfog chamber for the corrosion resistance testing, astm b117 3. It has also been found suitable for testing anodic coatings on aluminum. Astm b117 salt fog and salt spray corrosion testing g2mt labs. Table ii shows that the mild steel panels 1020 given treatments 1 through 6 failed after one 1 hour of salt spray. Evaluate clasp connectors resistance to salt spray. The solution is prepared by dissolving 5 1% of salt in 95% of distilled water.
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