The salt spray test and its use in ranking stainless steels. The spray coating application cycle was repeated one, two or three times on different samples in order to achieve different thickness levels. Astm b117 19 standard practice for operating salt spray fog. The salt spray or salt fog test is a standardized and popular corrosion test method, used to. Astm b 117 is the most widely used standard for the salt spray test, it was developed in 1930s but there are still many companies carrying salt sprayfog test based on this standard. Astm b117 was the first internationally recognized salt spray standard, originally published in 1939. This is an accelerated form for atmospheric corrosion testing. The astm b117 salt spray fog test is often used to evaluate the relative corrosion resistance of coated and uncoated materials exposed to a salt spray or fog at an elevated temperature. Astm b117 outlines the standard practice for operating the salt spray chamber. Aluminum fins, typically used in 15 ton and larger commercial air conditioner units, were selected for this test. The salt spray test is an accelerated corrosion test that produces a corrosive attack to the specimen in order to predict its suitability over time. Astm b117 standard practice for operating salt spray fog is an american society for testing and. 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. Pdf modification of astm b117 salt spray corrosion test and its.
Astm b117 salt spray test updated astm b117, standard practice for operating salt spray fog apparatus has just been updated. Salt spray fog condensate collection issues, astm b117. If you dont specify this information in the special instructions, we will process the signup to be for the shipping contact information. The test chamber maintains an internal temperature of approximately 95f, and produces a saturated, 100% rh environment using a 5% salt solution to produce the fog. Astm b11707a salt spray corrosion resistance test hardide. The relevancy of this 12 page document is apparent because it tells us how equipment should be built and why, details on solution preparation. How to compare astm b117 salt spray and astm b368 cass. Galvanized steel plate coated with trenchcoat, including a welded joint covered with primer. Astm b117 iso 9227 salt spray testing cot ncku astm b117.
This is a proprietary salt bath nitride option that will provide protection up to 300 hours in a salt spray test per astm b117. Several studies have come to the conclusion that astm b117 does not provide a good test for coated aluminum alloys, or fails to predict the composition effects of aluminumzinc alloy coatings on coldrolled steel, or any other coatings. B368 test method for copperaccelerated acetic acid salt spray fog testing cass test d609 practice for preparation of coldrolled steel panels for testing paint, varnish, conversion coatings, and related coating products. Astm international astm b11790 standard test method. This is the goto standard on how to do a salt spray test, used to determine corrosion and its effects on a. One half of the aluminum fin was coated, one half was left untreated. The standard covers the apparatus, procedure and conditions required to. The astm b117 is a standard test carried out to determine the corrosive effect of salt on metallic objects.
Astm b117 practice for operating salt spray fog apparatus. Standard practice for operating salt spray fog apparatus1. Salt spray fog test the astm b117 test method relies on. The corrosion products formed during the modified b117 exposure are the same as those observed after field exposures. Astmb117 complete document history standard practice for operating salt spray fog apparatus.
Powar tm grip clamp meets 1,500 hours salt spray testing per. 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. Suitable apparatus which may be used is described in appendix x1. Several studies have come to the conclusion that astm b117 does not provide a good test for coated aluminum alloys, or fails to predict the composition effects of aluminumzinc alloy coatings on coldrolled steel, or any. This is still the most popular test worldwide today and has. The astm d1654 is used as a final inspection test to determine the extent of rust creepage on your specimens.
Astm b117 11 is the latest edition of this worldwide standard and covers all baseline design parameters for anything related to salt fog corrosion testing. The astm b 11795 testing procedure is the hvac industry standard method of testing the acceptability and longevity of a paint finish. Astmb117 standard practice for operating salt spray fog. Astm b117 02 standard practice for operating salt spray fog apparatus october 10, 2002 astm international 1. The statistical data used below are from the precision and bias astm study detailed in astm. File astm b117 pdf tentang salt spray test gratis salt. Micom laboratories offers astm d3359 test as part of its coating test services. Astm b117 was the first internationally recognized salt spray standard, originally.
Test conducted in accordance with astm b117 18 standard practice for. Many educational resources have been created to address salt spray tests. Purportedly used as early as 1914 with roots in the national bureau of standards, and formalized as an astm b117 specification in 1939 by the american society for testing and materials astm. Suitable apparatus which may be used is described in. The devices in which these assessments are conducted are known as salt spray rooms. This is the goto standard on how to do a salt spray test, used to determine corrosion and its effects on a wide variety of metals and coated metals. Astm b117 19 standard practice for operating salt spray.
Astm b117 testing quality control material testing lab. The concentration of the naclsolution has ranged from 3. Test specimens are placed in an enclosed salt spray cabinet or chamber and subjected to a continuous indirect spray of a neutral ph 6. Astmb117 salt spray test lifetimetool building products.
A discussion started in 2002 but continuing through 2019. D609 practice for preparation of coldrolled steel panels for testing paint, varnish, conversion. Permissions to reprint documents can be acquired through. We are plating abs with 20 microns of copper, 10 microns semibright nickel, 10 microns of bright nickel, 2 microns of micro porous nickel and finally 0,15 microns of conventional chromium coating. Other important relevant standards are iso 9227, jis z 2371 and astm g85. The tests typically involve a series of wet and dry cycles, and some include. There is a wide range of chamber designs and sizes including walkin rooms. It provides a controlled corrosive environment which has been utilized to produce relative corrosion resistance information for specimens of metals and coated metals. Astm b117 is the oldest and most widely used of the salt spray cabinet tests. Test method for copperaccelerated acetic acid salt spray fog testing cass test. Apparatus april 10, 1997 1995 edition operating salt spray fog test nov. May 02, 2016 astm b117, standard practice for operating salt spray fog apparatus has just been updated. Astm b117 salt spray fog test offered at micom laboratories. Astm b117 covers the apparatus, procedure, and conditions required to create and maintain the salt spray fog test environment.
Astm b11702 standard practice for operating salt spray fog apparatus october 10, 2002 astm international 1. The classical salt spray fog test astm b117 consists of atomizing a salt solution into uniform droplets on specimens supported or suspended between 1530 from the vertical. Modification of astm b117 salt spray corrosion test and its correlation to field measurements of silver corrosion article pdf available in corrosion houston tx 683. Heatbaths explanation of operating parameters for salt spray cabinet according to astm b117. For the test, panels are placed in a 5% salt spray and fog atmosphere for. Figure 1 qfog chamber for the corrosion resistance testing, astm b117 3. Test samples three steel flange samples overcoated with oxifree tm198 coating system were prepared by oxifree co. Please specify the name, email address and phone number of the person we should contact regarding test results when you order. Salt fog chamber test results appleton form 35 emerson. Enviropeel hot salt fog test 4,500 hours report in. Salt spray testing also known as salt fog testing is often used for testing the corrosion resistance of metallic products, or for testing the corrosion resistant coating applied to metallic products, in order to verify that they will function properly when exposed to salt corrosion.
Standard practice for operating salt spray fog apparatus. Salt spray testing salt spray test is a method that is used to examine the deterioration level of resistance of covered examples. The oldest and most wildly used cabinet test is astm b117 test method of salt spray fog testing, a test that introduces a spray in a closed chamber where some specimens are exposed at specific locations and angles. Wear and erosion to find similar documents by classification. Pdf modification of astm b117 salt spray corrosion test. B11719 standard practice for operating salt spray fog apparatus testing apparatus test. There are several problems with astm b117 salt spray test when trying to rank the corrosion performance of automotive parts. Pdf laboratory salt spray testing has been used for many years to accelerate natural atmospheric exposures with limited success. Corrosion analysis, salt fog, humidity laboratory testing inc. Norma astm b117 pdf astm b is the most widely adopted standard for salt spray testing. Active standard astm b117 developed by subcommittee. Astm b117 salt spray test updated document centers. This test was used to demonstrate the corrosive effects which would result, if a competitor were to extol the benefits of t. Proficiency testing program for astm b117 salt spray.
In either application, certain variations in the test procedures for different substrates and coatings may improve their predictive value. Conditions for spray testing type of test standard designation concentration by mass of sodium chloride. Pdf modification of astm b117 salt spray corrosion test and. Conduct astmb117 salt fog testing on the conduit body samples. Hardides corrosion protective properties have been independently tested to compare with hard chrome and other coatings via salt spray tests on mild steel plates coated with hardide, commercially sourced hard chrome plating and hvof coating. Performance test summary astm 1709 standard practice for operating salt spray fog apparatus for lifetime tool and building products 250 airport road winchester, va 22602 purpose the purpose ofthis testing of lifetime tool and building products ultimate pipe flashing in accordance with the following testing standards. What links here related changes upload file special pages permanent link page. Astmb117 standard practice for operating salt spray.
The system was then used to modify the protocol of astm b117. Test duration depends on the corrosion resistance of the coating. Astm b117 salt spray or salt fog test grp industries. Astm international astm b11790 standard test method of.
Astm b117 18 delivers a controlled corrosive environment that can be used to gather information on relative corrosion resistance for metal specimens and coated metals exposed in a fixed test chamber. Powar tm grip clamp meets 1,500 hours salt spray testing. The trane corporation of wisconsin supplied these fins. 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. A variety of corrosion analysis services, including the salt fog test to astm b117, corrosion analysis to astm a262 and a humidity test to ams 2700, are performed at laboratory testing inc.
Sep 30, 2011 heatbaths explanation of operating parameters for salt spray cabinet according to astm b117. This practice covers the apparatus, procedure, and conditions required. The results from the modified b117 test are correlated with the corrosion behavior and performance observed in field exposures. The appearance of corrosion products oxides is evaluated after a period of time.
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. It is done by spraying salt on a specimen housed in a closed chamber. This is designed to provide a controlled corrosive environment for metal or coated metal samples. In this test, the corrosive atmosphere is introduced, allowing the test to be completed in less time than. Reproducibility and repeatability study astm b11718 home. This standard is issued under the fixed designation b. Standard practice for operating salt spray fog apparatus iso 9227. Professional salt spray test chamber with touch screen. How to compare astm b117 salt spray and astm b368 cass test. Astmb117 standard practice for operating salt spray fog apparatus controlled. After the coating on the boards dried, the samples were placed in the salt fog chamber figure 2. Astm international astm b11707a standard practice for. Astm d3359 is a tape adhesion test is often used to evaluate coating adhesion following the astm b117 salt spray fog test.
Astm b117 09 standard practice for operating salt spray. May 15, 2018 the astm b117 is a standard test carried out to determine the corrosive effect of salt on metallic objects. Laboratory tests such as astm b 117 salt spray, hu midity and sulphur dioxide influence the development of coatings yet they still allow coatings into the. Bagi anda yang membutuhkan file astm b117 untuk panduan pengujian salt spray test silahkan anda download filenya disini astm b117 testing, juga dikenal sebagai praktek standar untuk operasi spray garam fog yang digunakan untuk menganalisis korosi relatif untuk spesimen logam dan logam yang dilapisi terkena berbagai kondisi iklim dengan simulasi dalam lingkungan yang terkendali. An astm designation number identifies a unique version of an astm standard. For the test, panels are placed in a 5% salt spray and fog atmosphere for measured periods of time. Hardides corrosion protective properties have been independently tested to compare with hard chrome and other coatings via salt spray tests on mild steel plates coated with hardide, commercially sourced hard. The salt spray test is one of the most widespread and long established corrosion tests. This practice covers the apparatus, procedure, and conditions required to create and maintain the salt spray fog test environment. A free powerpoint ppt presentation displayed as a flash slide show on id. Astm b117 salt spray test document centers standards forum. Corrosion tests in artificial atmospheres salt spray tests zinga 120 m dft passed a 10. B368 test method for copperaccelerated acetic acidsalt spray fog testing cass test. Referenced documents purchase separately the documents listed below are referenced within the subject standard but are not provided as part of the standard astm standards.
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