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ASTM International , 12/01/2012
Publisher: ASTM
File Format: PDF
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1.1This specification covers unalloyed and alloyed tantalum rod and wire.
1.2The materials covered by this specification are:
1.2.1R05200, unalloyed tantalum, electron-beam furnace or vacuum-arc melt, or both,
1.2.2R05400, unalloyed tantalum, powder-metallurgy consolidation,
1.2.3R05255, tantalum alloy, 90 % tantalum, 10 % tungsten, electron-beam furnace or vacuum-arc melt, or both,
1.2.4R05252, tantalum alloy, 97.5 % tantalum, 2.5 % tungsten, electron-beam furnace or vacuum-arc melt, or both, and
1.2.5R05240 tantalum alloy, 60 % tantalum, 40 % niobium, electron-beam furnace or vacuum-arc melt, or both.
1.3The 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.
1.4The following precautionary caveat pertains only to the test methods portion, Section 13, of this specification: This standard does not purport to address all of the safety problems, 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.
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