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Standard Test Method for Corrosion Testing of Products of Zirconium, Hafnium, and Their Alloys in Water at 680°F (360°C) or in Steam at 750°F (400°C)
Přeložit název
NORMA vydána dne 1.1.2019
Označení normy: ASTM G2/G2M-19
Datum vydání normy: 1.1.2019
Kód zboží: NS-938035
Počet stran: 8
Přibližná hmotnost: 24 g (0.05 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
mass gain, steam corrosion, water corrosion,, ICS Number Code 77.060 (Corrosion of metals), 77.120.99 (Other non-ferrous metals and their alloys)
Significance and Use | ||||
5.1 This test method is primarily used as an acceptance test for products of zirconium, hafnium, and their alloys. This standard has been widely used in the development of new alloys, heat treating practices, and for evaluation of welding techniques. 5.2 Specimens are normally tested after careful etching and rinsing. Specimens with as-manufactured surfaces may also be tested without further surface removal. 5.3 When tubing with a second material clad on the inner surface is to be tested, the inner cladding shall be removed prior to the test. |
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1. Scope | ||||
1.1 This test method covers (1) the determination of mass gain, and (1.2 This test method is to be utilized in its entirety to the extent specified herein as a product acceptance test. 1.3 This test method may be used on wrought products, castings, powder metallurgy products, and weld metals. 1.4 Unless a single unit is used, for example corrosion mass gain in mg/dm2, the values stated in either inch-pound or SI units are to be regarded separately as standard. The values stated in each system are not exact equivalents; therefore each system must be used independently of the other. SI values cannot be mixed with inch-pound values. 1.5 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. 1.6 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. |
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2. Referenced Documents | ||||
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