ASTM-B652 › Historical Revision Information
Standard Specification for Niobium-Hafnium Alloy Ingots
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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. The material shall conform to the required chemical composition prescribed. Each ingot should be tested for soundness by non-destructive test methods, such as dye penetrant and ultrasonic testing. Each ingot shall be tested for chemical composition in at least three positions along the length of the ingot.
Scope
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 inch-pound or SI units are to be regarded separately as standard. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. SI values cannot be mixed with inch-pound values.
Keywords
niobium-hafnium alloy ingots; ICS Number Code 77.150.99 (Other products of non-ferrous metals)
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77.150.99 (Other products of non-ferrous metals)
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Document Number
ASTM-B652/B652M-04
Revision Level
2004 EDITION
Status
Superseded
Modification Type
Revision
Publication Date
Jan. 1, 2004
Document Type
Specification
Page Count
2 pages
Committee Number
B10.03