ASTM B817-03

    Standard Specification for Powder Metallurgy (P/M) Titanium Alloy Structural Components

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    1. Scope

    1.1 This specification covers powder metallurgy (P/M) structural components fabricated from commercially pure (CP) titanium powder mixed with master alloy powder and elemental powders in appropriate quantity to yield combined material chemistries comparable to ingot metallurgy (I/M) alloys Titanium 6A1-4V and Titanium 6A1-6V-2Sn.

    1.2 This specification covers the following materials:

    1.2.1 Two types depending on alloy composition as detailed in Table 1. Type I is comparable to I/M Ti-6A1-4V. Type II is comparable to I/M Ti-6A1-6V-2Sn.

    1.2.2 Two grades of each type that result from the specific titanium powder used are as follows: Grade 1 is made from sponge fines with residual levels of chlorine and sodium. Grade 2 is made from hydride/dehydride (HDH) or other process titanium with significantly lower chlorine and sodium content.

    1.2.3 Two classes as a function of density (see Table 2) are as follows: Class A density ratio is 94 % minimum. Class B density ratio is 99 % minimum. (Warning—CP titanium powder may be pyrophoric; its use may involve an explosion hazard.)

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

    1.4 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 and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in

    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

    B243 Terminology of Powder Metallurgy

    B311 Test Method for Density of Powder Metallurgy (PM) Materials Containing Less Than Two Percent Porosity

    B328 Test Method for Density, Oil Content, and Interconnected Porosity of Sintered Metal Structural Parts and Oil-Impregnated Bearings

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

    ICS Code

    ICS Number Code 77.120.50 (Titanium and titanium alloys); 77.160 (Powder metallurgy)

    Referencing This Standard
    Link Here
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    DOI: 10.1520/B0817-03

    Citation Format

    ASTM B817-03, Standard Specification for Powder Metallurgy (P/M) Titanium Alloy Structural Components, ASTM International, West Conshohocken, PA, 2003,

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