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ASTM B988-18

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Standard Specification for Powder Metallurgy (PM) Titanium and Titanium Alloy Structural Components

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1.1 This specification covers powder metallurgy (PM) structural components fabricated from:

1.1.1 Commercially pure (CP) (that is, unalloyed) titanium powder,

1.1.2 Pre-alloyed powders.

1.1.3 Mixtures of elemental powders or mixtures of elemental powders and pre-alloyed powders.

1.2 This specification covers:

1.2.1 Grade 1 PM—Unalloyed titanium,

1.2.2 Grade 2 PM—Unalloyed titanium,

1.2.3 Grade 3 PM—Unalloyed titanium,

1.2.4 Grade 4 PM—Unalloyed titanium,

1.2.5 Grade 5 PM—Titanium alloy (6 % aluminum, 4 % vanadium),

1.2.6 Grade 9 PM—Titanium alloy (3 % aluminum, 2.5 % vanadium),

1.2.7 Ti-6Al-4V PM Low Interstitial (LI),

1.2.8 Ti-6Al-6V-2Sn PM.

1.3 The values stated in SI units are to be regarded as the standard. No other units of measurement are included in this standard.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

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.


This specification covers powder metallurgy (PM) structural components fabricated from commercially pure (CP) (that is, unalloyed) titanium powder, pre-alloyed powders, and mixtures of elemental powders or mixtures of elemental powders and pre-alloyed powders. It addresses ordering information, materials and manufacture, chemical composition requirements, tensile requirements, physical properties, mechanical properties, dimensions, mass, permissible variations, sampling, inspection, and certification.

SDO ASTM: ASTM International
Document Number B988
Publication Date Nov. 1, 2018
Language en - English
Page Count 4
Revision Level 18
Supercedes
Committee B09.11
Publish Date Document Id Type View
Nov. 1, 2018 B0988-18 Revision
April 1, 2013 B0988-13 Revision
Sept. 1, 2022 B0988-18R22 Reaffirmation