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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.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
B243 Terminology of Powder Metallurgy
B311 Test Method for Density of Powder Metallurgy (PM) Materials Containing Less Than Two Percent Porosity
B348 Specification for Titanium and Titanium Alloy Bars and Billets
B923 Test Method for Metal Powder Skeletal Density by Helium or Nitrogen Pycnometry
B962 Test Methods for Density of Compacted or Sintered Powder Metallurgy (PM) Products Using Archimedes Principle
E8/E8M Test Methods for Tension Testing of Metallic Materials
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E539 Test Method for Analysis of Titanium Alloys by X-Ray Fluorescence Spectrometry
E1409 Test Method for Determination of Oxygen and Nitrogen in Titanium and Titanium Alloys by Inert Gas Fusion
E1447 Test Method for Determination of Hydrogen in Titanium and Titanium Alloys by Inert Gas Fusion Thermal Conductivity/Infrared Detection Method
E1941 Test Method for Determination of Carbon in Refractory and Reactive Metals and Their Alloys by Combustion Analysis
E2371 Test Method for Analysis of Titanium and Titanium Alloys by Direct Current Plasma and Inductively Coupled Plasma Atomic Emission Spectrometry (Performance-Based Test Methodology)
E2626 Guide for Spectrometric Analysis of Reactive and Refractory Metals
ICS Number Code 77.160 (Powder metallurgy)
UNSPSC Code 11101711(Non ferrous alloy)
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ASTM B988-18, Standard Specification for Powder Metallurgy (PM) Titanium and Titanium Alloy Structural Components, ASTM International, West Conshohocken, PA, 2018, www.astm.orgBack to Top