File astm b117 pdf tentang salt spray test gratis salt. What is the standard practice for operating salt spray fog apparatus. Modification of astm b117 salt spray corrosion test and its correlation to field measurements of silver corrosion. As per the test procedure, the test sample is subjected to 5% nacl solution for a specific period of time. B117 is a document establishing the parameters and requirements for operating a. The salt spray test and its use in ranking stainless steels. Pdf modification of astm b117 salt spray corrosion test and its. Corrosion testing on different types of steel such as ss316h, ss316n2, ss316n1, and ss434h can be conducted using the highly standardized astm standard test method astm b117.
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. Active standard astm b117 developed by subcommittee. It is also regularly updated, by an active and broad based astm subcommittee, so it is a standard that is continuously evolving. Astm b117 is the oldest and most widely used of the salt spray cabinet tests. 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. This is an accelerated form for atmospheric corrosion testing. This is the goto standard on how to do a salt spray test, used to.
Astm b117 is an excellent reference document for the salt spray practitioner, with many helpful hints and tips contained in its useful appendixes. This standard is issued under the fixed designation b. Astm b117 07 standard practice for operating salt spray. Instantly download astm b11718 standard practice for operating salt spray fog apparatus. Acetic acid salt spray uses the same 5% salt solution with the exception of glacial acetic acid to lower the ph range to about 3. Many educational resources have been created to address salt spray tests.
Pdf modification of astm b117 salt spray corrosion test. The astm b117 is a standard test carried out to determine the corrosive effect of salt on metallic objects. Test method for copperaccelerated acetic acidsalt spray fog testing cass test. Norma astm b117 pdf astm b is the most widely adopted standard for salt spray testing. It is done by spraying salt on a specimen housed in a closed chamber. 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 was the first internationally recognized salt spray standard, originally published in 1939. Astm b11718 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.
Neutral salt spray uses 5% sodium chloride solution with a ph range of 6. In this test, the corrosive atmosphere is introduced, allowing the test to be completed in less time than. Salt spray condensing humidity cure range figure 1. Studies show astmb117 salt spray test does not correlate to realworld environments in blog, chemical resistance testing in 1995, the society for protective coatings sspc published a paper that concluded, it is obvious that astmb117 salt spray fog testing and similar methods offered a rapid but unreliable means for predicting coating. In any testing program, sufficient replicates should be included. The shipping weight for the 20% salt solution is 550 lbs. Astm b117 salt spray testing salt spray testing is a commonly accepted accelerated test to measure the corrosion resistance of various coating systems. B368 test method for copperaccelerated acetic acid salt spray fog testing cass test. Astm b117 salt spray fog test offered at micom laboratories. Astm b117 11 standard practice for operating salt spray fog apparatus. Studies show astmb117 salt spray test does not correlate. The concentration of the naclsolution has ranged from 3.
Mar 15, 2016 standard practice for operating salt spray fog apparatus. The standard astm b117 or its equivalent cei 6006811 is used in this part to. All bsi british standards available online in electronic and print formats. B117 11 standard practice for operating salt spray fog apparatus1 this standard is issued under the. Astm b117 salt fog testing can be combined with other standards to provide more detailed information about a product or material. Astm b11716 standard practice for operating salt spray. Salt spray fog condensate collection issues, astm b117. The test standard takes precedence over this method statement and this method may need to be altered in order to follow comply with the standard. This is still the most popular test worldwide today and has. Astm b117 19 covers the apparatus, procedure, and guidelines to create and sustain the salt spray fog test environment. The suffix to the main standard number indicates the year of. B117 consists of atomizing a salt solution into uniform droplets on specimens supported or suspended between 15 30.
Astm b117, standard practice for operating salt spray fog apparatus has just been updated. Astm b117 salt fog and salt spray corrosion testing g2mt. B368 test method for copperaccelerated acetic acidsalt spray fog testing cass test. Standard practice for operating salt spray fog apparatus. Access astm standards from any browser on your computer, tablet or smart phone. This should be used in conjunction with the astm b117 standard document. 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. 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. Astm b368 standard test method for copperaccelerated acetic acidsalt spray fog testing cass test published by astm on april 15, 2009 this test method prescribes the conditions required in copperaccelerated acetic acidsalt spray cass testing for specification purposes. Modification of astm b117 salt spray corrosion test and its correlation to field measurements of silver corrosion march 2012 corrosion houston tx 683. Astm b117 testing quality control micom laboratories. B117 is widely used as a rapid method for evaluating coating and materials performance under highly corrosive marine conditions. What is written in the standard practice for operating salt spray fog apparatus.
There is a wide range of chamber designs and sizes including walkin rooms that are capable of. D609 practice for preparation of coldrolled steel panels for testing paint, varnish, conversion coatings, and related coating. All our salt spray testing is performed in house, versus using an outside laboratory, saving. Astm b117 is a document establishing the parameters and requirements for operating a salt spray test chamber. Astm b11718 standard practice for operating salt spray. 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. Rather, it outlines the standard practice for operating salt spray fog apparatus. Standard practice for operating salt spray fog apparatus1. According to astm international, astm b117, in and of itself, is not a test specification. B 117 97 standard practice for operating salt spray fog apparatus. 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. All of the other drums listed below ship at 500 lbs. Pdf laboratory salt spray testing has been used for many years to accelerate natural atmospheric exposures with limited success.
Purchase your copy of astm b117 19 as a pdf download or hard copy directly from the official bsi shop. Patrick the jis standard for salt spray testing is jis z 2371 affil. The system was then used to modify the protocol of astm b117. The astm b117 salt spray fog test can range in length from 24 to 5000 hours usually in increments of 24 hours. 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. Unless otherwise specified, all of the drums are 24x24x36 plastic drums. October 2011 standard practice for operating salt spray fog apparatus. It is very similar to the astm standard astm b117 affil.
For instance, when astm b 117 salt spray tests are combined with astm d3359 adhesion tests, manufacturers can measure coating creep and coating adhesion. This is the global standard for salt spray testing introduction the american society of testing and materials astm test b117 is one of the most widely adopted standards for salt spray testing. 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. Astm b117 was the first internationally recognized salt spray standard, originally published. It is a destructive test, very scattered and not correlated with actual performance. Astm b117 standard practice for operating salt spray. This practice covers the apparatus, procedure, and conditions required to create and maintain the salt spray fog test environment.
This practice does not prescribe the type of test specimen or exposure periods to be used for a specific product, nor the interpretation to be. We have run it several times and would be happy to answer any specific questions you may have. Suitable apparatus which may be used is described in appendix x1. Astm b117 19 standard practice for operating salt spray.
Astm b117 salt fog and salt spray testing expert astm b117 salt fog and cyclic corrosion testing, with houstons largest salt fog and cyclic chamber and phd corrosion consulting. The salt spray or salt fog test is a standardized and popular corrosion test method, used to. National exposure testing is one of the largest corrosion testing laboratories in ohio. It has also become a standard test for rubbertometal bonded automotive components, and resistance to h saltspray is a typical requirement. 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 testing operating salt spray fog apparatus study date. Instantly download astm b117 18 standard practice for operating salt spray fog apparatus. Astm b117 salt spray fog testing astm b117 is the oldest and most widely used of the salt spray cabinet tests. The astm b 117 95 testing procedure is the hvac industry standard method of testing the acceptability and longevity of a paint finish. To conclude, the salt spray test unfortunately has serious drawbacks. A number in parentheses indicates the year of last. Astm b117 19 standard practice for operating salt spray fog apparatus. Astm b117 97 standard practice for operating salt spray.
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