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Description of ASTM-B895 2010ASTM B895 - 05(2010)e1Standard Test Methods for Evaluating the Corrosion Resistance of Stainless Steel Powder Metallurgy (PM) Parts/Specimens by Immersion in a Sodium Chloride SolutionActive Standard ASTM B895 | Developed by Subcommittee: B09.05 Book of Standards Volume: 02.05 ASTM B895Significance and Use The ability of sintered powder metallurgy stainless steel parts/specimens to resist corrosion when immersed in sodium chloride solution is important to their end use. Causes of unacceptable corrosion may be incorrect alloy, contamination of the parts by iron or some other corrosion-promoting material or improper sintering of the parts (for example, undesirable carbide and nitride formations caused by poor lubricant burnoff or improper sintering atmosphere). This standard may be part of a purchase agreement between the PM parts producer (seller) and the user of the parts (purchaser) (Method 1). It may also be used to optimize part or specimen production parameters (Method 2). 1. Scope 1.1 These test methods cover a procedure for evaluating the ability of sintered PM stainless steel parts/specimens to resist corrosion when immersed in a sodium chloride (NaCl) solution. 1.2 Corrosion resistance is evaluated by one of two methods. In Method 1, the stainless steel parts/specimens are examined periodically and the time to the first appearance of staining or rust is used to indicate the end point. In Method 2, continued exposure to the sodium chloride solution is used to monitor the extent of corrosion as a function of time. 1.3 This standard does not purport to address 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 A380 Practice for Cleaning, Descaling, and Passivation of Stainless Steel Parts, Equipment, and Systems B243 Terminology of Powder Metallurgy B528 Test Method for Transverse Rupture Strength of Powder Metallurgy (PM) Specimens D610 Practice for Evaluating Degree of Rusting on Painted Steel Surfaces D1193 Specification for Reagent Water G1 Practice for Preparing, Cleaning, and Evaluating Corrosion Test Specimens G48 Test Methods for Pitting and Crevice Corrosion Resistance of Stainless Steels and Related Alloys by Use of Ferric Chloride Solution Keywords corrosion; powder metallurgy (PM) parts; stainless steel; Powder metallurgy (P/M) materials; Sodium chloride; Stainless steel; Steel corrosion; Corrosion--metals/alloys; Neutral sodium chloride solution ; ICS Code ICS Number Code 77.160 (Powder metallurgy) DOI: 10.1520/B0895-05R10E01 ASTM International is a member of CrossRef. ASTM B895This 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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