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. B117 practice for operating salt spray fog apparatus. The concentration of the naclsolution has ranged from 3. This is an accelerated form for atmospheric corrosion testing. The shipping weight for the 20% salt solution is 550 lbs. Astm b117 salt spray fog test offered at micom laboratories. This practice covers the apparatus, procedure, and conditions required to create and. 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. Astm b117, standard practice for operating salt spray fog apparatus has just been updated. This is the goto standard on how to do a salt spray test, used to. Corrosion testing equipment astm b117, astm b368 and astm g85.
Astm b117 was the first internationally recognized salt spray standard, originally published. 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. B117 09 standard practice for operating salt spray fog apparatus, controlled corrosive environment, corrosive conditions, determining mass loss, salt spray fog exposure, accelerated agingtestingsalt spray fog testing, controlled testing conditionsenvironments, crevice corrosion, loading testsmetalsalloys, mass loss testing, pitting corrosion, salt spray fog testing. The spray coating application cycle was repeated one, two or three times on different samples in order to achieve different thickness levels. Astm b117 09 standard practice for operating salt spray.
Astm b117 testing quality control material testing lab. There are several problems with astm b117 salt spray test when trying to rank the corrosion performance of automotive parts. Interpon a4740 powders can be applied by manual or automatic electrostatic spray. For the test, panels are placed in a 5% salt spray and fog atmosphere for measured periods of time. 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. See the below scale for grading the results of salt spray testing based on astm b117. Any productmaterial that is exposed to the elements must be able to withstand corrosion. The most common salt fog test durations are 72 hours, 96 hours, 240 hours and 600 hours. Pdf this study reports on the salt spray corrosion of polymer coating on. This test was used to demonstrate the corrosive effects. Pdf modification of astm b117 salt spray corrosion test and. Astm d3359 is a tape adhesion test is often used to evaluate coating adhesion following the astm b117 salt spray fog test. 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. The most common standard for salt spray testing of consumer products is astm b117.
Standard practice for operating salt spray fog apparatus. Astm b117 testing quality control micom laboratories. Salt spray condensing humidity cure range figure 1. The following bibliographic material is provided to assist you with your purchasing decision. Astm international astm b11707a standard practice for operating salt spray fog apparatus historical buy now. To determine the corrosive tendency when a metal or coated surface is scratched perform astm b117. The salt spray test and its use in ranking stainless steels. Astm international astm b11707a standard practice for. Astm b117 salt fog testing service next day testing. The astm d1654 is used as a final inspection test to determine the extent of.
The astm d1654 is used as a final inspection test to determine the extent of rust creepage on your specimens. Salt spray corrosion testing china quality control. This coating enables teks select fasteners to outperform competitive fasteners in a 5% neutral salt spray test conducted per astm b117 standards by both itw buildex and an independent 3rd party laboratory. With multiple salt fog chambers, including one that has an inside dimension of 8 x 4 x 4. Active standard astm d2059 d2059m developed by subcommittee. 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. Astmb117 standard practice for operating salt spray. Astm b117 salt spray fog testing astm b117 is the oldest and most widely used of the salt spray cabinet tests. Astm international astm b11790 standard test method. Dec 15, 2007 standard practice for operating salt spray fog apparatus 1. Standard test method for resistance of zippers to salt spray fog.
Salt spray fog condensate collection issues, astm b117. Choosing the right material and protective coating is essential when a component will be used in an extreme environment. Test method for copperaccelerated acetic acid salt spray fog testing cass test. The socket head cap screws and hex bolts were placed on a tray within the machine.
Salt spray testing is an accelerated corrosion test that produces a corrosive attack on our stainless steel accessories in order to evaluate. Astm b117 salt spray test updated document centers. Astm b117 salt sprayfog test introduction 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 salt fog or salt spray test is a very popular corrosion test designed to provide corrosion resistance information on metals and coated metals. A number in parentheses indicates the year of last.
Astm b117 salt fog and salt spray corrosion testing g2mt labs. For our experiment, we used two separate sets of fasteners. Salt spray tests were carried out in a salt spray fog chamber following astm. 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. Astmb117 complete document history standard practice for operating salt spray fog apparatus. This standard dictates the item to be exposed to a moist environment which is composed of 5% sodium chloride salt, for a period of 24 hours, and then given a grade of 1 to 10. And that means, the work you invest in during fastener installation resists galvanic cor. The test samples are checked for blistering, detachment and any other defects. 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.
Astm b117 salt spray and salt fog testing astm b117 is an american standard that provides a controlled accelerated corrosive environment to evaluate the coatings or substrates corrosive resistance. Standard practice for operating salt spray fog apparatus 1. B368 test method for copperaccelerated acetic acid salt spray fog testing cass test. Interpon a4740 acrylic clears combine class a elegance and oem specified durability in a super. B368 test method for copperaccelerated acetic acidsalt spray fog testing cass test d609 practice for preparation of coldrolled steel panels for testing paint, varnish, conversion coatings, and related coating products. Combining values from the two systems may result in nonconformance with the. 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. Hands on demonstration using over 10 corrosion chambers on. Resistance against salt water spray in accordance to ss din 50021 and astm b117 affil.
Micom laboratories offers astm d3359 test as part of its coating test services. It is useful for testing decorative coatings of copper. If you dont specify this information in the special instructions, we will process the signup to. 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. Salt spray testing, salt fog testing, metal testing. Simple design to handle the traditional test specifications like astm b117, milstd883, g85 a1 acetic acid, b368 cass, milstd 810d, and more. Heatbaths explanation of operating parameters for salt spray cabinet according to astm b117. Sep 30, 2011 heatbaths explanation of operating parameters for salt spray cabinet according to astm b117. In this test, the corrosive atmosphere is introduced, allowing the test to be completed in less time than. 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. Modification of astm b117 salt spray corrosion test and its correlation to field measurements of silver corrosion. Information sheet salt spray testing why it should not.
The standard salt fog cabinet is the basic unit that has served the testing community for over 50 years. Suitable apparatus which may be used is described in. It is a destructive test, very scattered and not correlated with actual performance. Salt spray fog testing equipment for astm b 117 and din 50 021. Test procedure and acceptance criteria for factory applied finish coatings for steel doors and frames 1 general 1.
Suitable apparatus which may be used is described in appendix. The test consists of atomizing a salt solution into uniform droplets on the units under test. D609 practice for preparation of coldrolled steel panels for testing paint, varnish, conversion coatings, and related coating. B368 test method for copperaccelerated acetic acidsalt spray fog testing cass test. May 02, 2016 astm b117, standard practice for operating salt spray fog apparatus has just been updated. Corrosion finishingcoating systems for strategic environmental. A stepbystep discussion of astm b117, procedure for operating a salt spray fog apparatus. Please specify the name, email address and phone number of the person we should contact regarding test results when you order. Unfortunately, the salt spray test is unable to predict the wellknown superior corrosion resistance of galvanized relative to uncoated rolled steel sheet.
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 international astm b11790 standard test method of. May 28, 2014 foreverbolt with nl19 view salt spray test results astm b117 salt spray specification. The salt spray measurements indicate that the epoxypolyester polymer blend. To conclude, the salt spray test unfortunately has serious drawbacks. The devices in which these assessments are conducted are known as salt spray rooms.
Apparatus april 10, 1997 1995 edition operating salt spray fog test nov. Proficiency testing program for astm b117 salt spray. 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. Corrosion testing equipment astm b117, astm b368 and. Testing has been determined under laboratory conditions using the following. National exposure testing is one of the largest corrosion testing laboratories in ohio. Mechanistic studies revealed that coating deposition. 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. Provides a controlled corrosive environment and is used to provide corrosionresistance information of metals and coated metals. There is a wide range of chamber designs and sizes including walkin rooms that are capable of. The salt spray test is one of the most widespread and long established corrosion tests. Environmental aging life cycle clarks environmental lab can test equipment at different temperature and humidity environments to comply with ieee 323 or any other commercialmilitary standards methods 501. Unless otherwise specified, all of the drums are 24x24x36 plastic drums. Pdf modification of astm b117 salt spray corrosion test.
Test samples are exposed to a spray of a 5% salt solution at 35 c. Astmb117 standard practice for operating salt spray fog. It is done by spraying salt on a specimen housed in a closed chamber. What is written in the standard practice for operating salt spray fog apparatus. Salt spray fog test the astm b117 test method relies on. Astm b117 salt spray or salt fog test grp industries. May 15, 2018 the astm b117 is a standard test carried out to determine the corrosive effect of salt on metallic objects. Fresh water ambient rinse with 30 45 second dwell times. The copperaccelerated acetic acid salt spray test is the test method in which a 5 % sodium chloride solution with the addition of copper chloride and glacial acetic acid in the ph range from 3,1 to 3,3 is atomized under a controlled environment. Astm b117 salt spray or salt fog test is a standardized and popular corrosion test method, used to check corrosion resistance of materials and surface coatings, commonly applicable to metallic products. The samples were subjected to testing in a singleton salt spray cabinet using astm b117 test methods. After the coating on the boards dried, the samples were placed in the salt fog chamber figure 2. The salt spray or salt fog test is a standardized and popular corrosion test method, used to.
B117 11 standard practice for operating salt spray fog apparatus1 this standard is issued under the. Astm b117 salt fog and salt spray corrosion testing g2mt. The astm b 11795 testing procedure is the hvac industry standard method of testing the acceptability and longevity of a paint finish. Jun 01, 2017 astm b117, standard practice for operating salt spray fog apparatus has just been updated. The astm b117 test standard has also been approved for use by department of defense agencies. The primary test equipment required for saltspray testing is a salt fog chamber. Standard practice for operating salt spray fog apparatus1.
Astm b117 19 standard practice for operating salt spray. If you dont specify this information in the special instructions, we will process the signup to be for the shipping co. Salt spray testing, or salt fog testing as it is sometimes known, effectively assesses the reliability of a product by simulating these environments, therefore confirming that an industrial coating will survive in its working environment. This practice covers the apparatus, procedure, and conditions required to create and maintain the salt spray fog test environment.
Keystone compliance has expertise in completing salt fog testing per astmb117. Astm b117 was the first internationally recognized salt spray standard, originally published in 1939. The wellknown astm b117 salt spray test provides a comparison of coldrolled and galvanized steel within several hundred hours. The results you gain from salt spray testing will allow you to gauge how well your metal, surface or coating can resist corrosion. Pdf the salt spray corrosion of polymer coating on steel. Other important relevant standards are iso 9227, jis z 2371 and astm g85. 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. Astm b11707a salt spray corrosion resistance test hardide. 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. The common standard used for this test is astm b117. Astm b117 97 standard practice for operating salt spray.
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