ASTM B708-05

    Standard Specification for Tantalum and Tantalum Alloy Plate, Sheet, and Strip

    SUPERSEDED (see Active link, below)


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    1. Scope

    1.1 This specification covers unalloyed and alloyed tantalum plate, sheet, and strip as follows.

    1.1.1 R05200, unalloyed tantalum, electron-beam furnace or vacuum-arc melt, or both,

    1.1.2 R05400, unalloyed tantalum, powder-metallurgy consolidation,

    1.1.3 R05255, tantalum alloy, 90 % tantalum, 10 % tungsten, electron-beam furnace of vacuum-arc melt, or both,

    1.1.4 R05252, tantalum alloy, 97.5 % tantalum, 2.5 % tungsten, electron-beam furnace or vacuum-arc melt, or both, and

    1.1.5 R05240, tantalum alloy, 60 % tantalum, 40 % nobium, electron-beam furnace or vacuum-arc melt.

    1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

    This standard does not purport to address all of the safety and/or health 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.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    E8 Test Methods for Tension Testing of Metallic Materials

    E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

    E112 Test Methods for Determining Average Grain Size


    ICS Code

    ICS Number Code 77.150.99 (Other products of non-ferrous metals)

    UNSPSC Code

    UNSPSC Code 30102227(Tantalum plate)


    DOI: 10.1520/B0708-05

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