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ASTM B365-12(2019)
Standard Specification for Tantalum and Tantalum Alloy Rod and Wire
Přeložit název
NORMA vydána dne 1.11.2019
Informace o normě:
Označení normy: ASTM B365-12(2019)
Datum vydání normy: 1.11.2019
Kód zboží: NS-976075
Počet stran: 4
Přibližná hmotnost: 12 g (0.03 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Kategorie - podobné normy:
Anotace textu normy ASTM B365-12(2019) :
This specification covers unalloyed and alloyed tantalum rod and wire. The materials covered are: R05200, R05400, R05255, R05252, and R05240. These materials shall be made from vacuum-arc melted or electron-beam melted ingots or powder-metallurgy consolidated unalloyed tantalum. The chemical composition shall conform to the required contents of carbon, oxygen, nitrogen, hydrogen, niobium, iron, titanium, tungsten, molybdenum, silicon, nickel, and tantalum. Chemical analysis shall be made. Mechanical properties shall conform to the required tensile strength, yield strength, and elongation.
Keywords:
chemistry, mechanical properties, tantalum, tantalum alloy,, ICS Number Code 77.150.99 (Other products of non-ferrous metals)
Doplňující informace
| Significance and Use | ||||
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12.1 For the purpose of determining compliance with the specified limits for requirements on the properties listed in this specification, observed and calculated values shall be rounded as indicated by the rounding method of Practice E29. |
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| 1. Scope | ||||
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1.1 This specification covers unalloyed and alloyed tantalum rod and wire. 1.2 The materials covered by this specification are: 1.2.1 R05200, unalloyed tantalum, electron-beam furnace or vacuum-arc melt, or both, 1.2.2 R05400, unalloyed tantalum, powder-metallurgy consolidation, 1.2.3 R05255, tantalum alloy, 90 % tantalum, 10 % tungsten, electron-beam furnace or vacuum-arc melt, or both, 1.2.4 R05252, tantalum alloy, 97.5 % tantalum, 2.5 % tungsten, electron-beam furnace or vacuum-arc melt, or both, and 1.2.5 R05240 tantalum alloy, 60 % tantalum, 40 % niobium, electron-beam furnace or vacuum-arc melt, or both. 1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.4 The following precautionary caveat pertains only to the test methods portion, Section 13, of this specification: 1.5 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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