Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM B652/B652M-04

Standard Specification for Niobium-Hafnium Alloy Ingots

Standard Specification for Niobium-Hafnium Alloy Ingots B0652_B0652M-04 ASTM|B0652_B0652M-04|en-US Standard Specification for Niobium-Hafnium Alloy Ingots Standard new BOS Vol. 02.04 Committee B10
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Abstract

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.

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Details
Book of Standards Volume: 02.04
Developed by Subcommittee: B10.03
Pages: 2
DOI: 10.1520/B0652_B0652M-04
ICS Code: 77.150.99