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Description of ASTM-A926 2008ASTM A926 - 03(2008)Standard Test Method for Comparing the Abrasion Resistance of Coating Materials for Corrugated Metal PipeActive Standard ASTM A926 | Developed by Subcommittee: A05.17 Book of Standards Volume: 01.06 ASTM A926Significance and Use This test method provides a means of determining an abrasion rate (weight and calculated average thickness loss) when comparing materials, coatings, pavings, or linings under test conditions that will be subjected to abrasive bed loads. The importance of this information is recognized when dealing with culverts, storm and sanitary sewer applications, although the last two generally do not have the same degree of abrasion due to the flatter slopes and less bed loads than culverts. Specifically, the invert of these types of pipe, regardless of the material used, can be exposed to flows containing abrasive bed loads or solid particulates that cause wearing of the pipe wall. By subjecting materials to wear in the bed load abrasion machine with a controlled bed load charge made up of fine aggregate and coarse aggregate over a specified period, a comparison of the resistance between materials can be established. This test method does not simulate the effect of abrasive material striking the upstream face of corrugations, as would be typical for coating materials which do not completely fill the corrugations. Note 1 Caution: This test method uses specific quantitative values to encourage repetitive results and does not consider varying bed load characteristics, ratio of water to bed load, velocity, time or actual field conditions, and the effect of exposed edges on laminates. The user must use extreme care in comparing one test result to another because of these and other variables. 1. Scope 1.1 This test method covers a procedure for comparing materials used for coating, paving and lining corrugated metal pipe by use of a bed load abrasion testing machine. The procedure attempts to simulate the effect of stone, gravel and sand carried by a stream through corrugated metal pipe. 1.2 The values stated in inch-pound units are to be regarded as standard. The SI units given in parentheses are for information only. 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 and health practices and determine the applicability of regulatory limitations prior to use.
ASTM Standards A742/A742M Specification for Steel Sheet, Metallic Coated and Polymer Precoated for Corrugated Steel Pipe A849 Specification for Post-Applied Coatings, Pavings, and Linings for Corrugated Steel Sewer and Drainage Pipe A929/A929M Specification for Steel Sheet, Metallic-Coated by the Hot-Dip Process for Corrugated Steel Pipe C131 Test Method for Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine C136 Test Method for Sieve Analysis of Fine and Coarse Aggregates Keywords abrasion resistance of pipe coatings; coatings abrasion; corrugated metal pipe; resistance of coating materials to abrasion; steel pipe coatings; Abrasion resistance; Coatings; Corrugated steel sewer/drain pipe; Metallic coated steel pipe; Steel pipe; ICS Code ICS Number Code 19.060 (Mechanical testing); 25.220.01 (Surface treatment and coating in general) DOI: 10.1520/A0926-03R08 ASTM International is a member of CrossRef. ASTM A926This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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