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Description of ASTM-A504/A504M 2018ASTM A504/A504M-18Redline Standard: Standard Specification for Wrought Carbon Steel WheelsASTM A504/A504MScope 1.1 This specification covers one-wear, two-wear, and multiple-wear wrought carbon steel wheels for locomotives and cars, designated Classes L, A, B, and C, heat-treated, wheels. 1.2 The service for which the various classes are intended is as follows: 1.2.1 Class B or C wheels shall be used for freight cars in interchange service. 1.2.2 Class B or C wheels are recommended for use on locomotives. 1.2.3 For passenger car service, the various classes are intended generally as follows: 1.2.3.1 Class L—High speed with more severe braking conditions than other classes and light wheel loads. 1.2.3.2 Class A—High speed with more severe braking conditions, but moderate wheel loads. 1.2.3.3 Class B—High speed service with severe braking conditions and heavier wheel loads. 1.2.3.4 Class C—(1) Service with light braking conditions and heavier wheel loads. 1.2.3.5 Class C—(2) Service with heavier braking conditions where off-tread brakes are employed. 1.3 Supplemental requirements are provided for use where additional testing or additional restrictions are required by the purchaser. Supplementary requirements included in Specification A788/A788M may also be specified by the purchaser for forgings ordered to this specification. Any supplemental requirements apply only when specified in the purchase order. 1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text and tables, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard. 1.5 Unless the order specifies the applicable “M” specification designation, the material shall be furnished to the inch-pound units. 1.6 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. Keywords freight car wheels; locomotive wheels; passenger car wheels; rail applications; steel wheels; wrought steel; ICS Code ICS Number Code 43.040.50 (Transmissions, suspensions) DOI: 10.1520/A0504_A0504M-18 This 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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