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About This Item

 

Full Description

1.1 This specification covers hafnium alloyed niobium ingots prepared by vacuum- or plasma- arc melting or electron-beam furnace melting, or a combination of these methods, to produce consolidated metal for processing to various mill shapes.

1.2 The material covered by this specification is Grade R04295, niobium-base alloy containing approximately 10 % hafnium and 1 % titanium.

1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

1.4 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.

 

Document History

  1. ASTM B652/B652M-10(2018)

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    Standard Specification for Niobium-Hafnium Alloy Ingots

    • Most Recent
  2. ASTM B652/B652M-10


    Standard Specification for Niobium-Hafnium Alloy Ingots

    • Historical Version
  3. ASTM B652/B652M-04


    Standard Specification for Niobium-Hafnium Alloy Ingots

    • Historical Version
  4. ASTM B652/B652M-96(1999)


    Standard Specification for Niobium-Hafnium Alloy Ingots

    • Historical Version