ASTM B364-96

    Standard Specification for Tantalum and Tantalum Alloy Ingots

    SUPERSEDED (see Active link, below)


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    1. Scope

    1.1 This specification covers unalloyed and alloyed tantalum ingots prepared by vacuum-arc melting, electron-beam melting, or powder-metallurgy consolidation to produce consolidated metal for processing to various mill shapes.

    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% columbium, electron-beam furnace or vacuum-arc melt, or both.

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


    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

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


    UNSPSC Code

    UNSPSC Code 30266216(Non ferrous alloy extrusion ingot)


    DOI: 10.1520/B0364-96

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