ASTM-B393 2003

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B393-03 Standard Specification for Niobium and Niobium Alloy Strip, Sheet, and Plate

Published By	Publication Date	Number of Pages
ASTM	2003	5

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Categories: 77.150.99 - Other products of non-ferrous metals, ASTM

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Description

1.1 This specification covers four grades of wrought niobium and niobium alloy strip, sheet, and plate as follows:

Note 1Committee B10 has adopted ‘niobium’ as the designation for Element No. 41, formerly named ‘columbium.’

1.1.1 R04200-Type 1 Reactor grade unalloyed niobium,

1.1.2 R04210-Type 2 Commercial grade unalloyed niobium,

1.1.3 R04251-Type 3 Reactor grade niobium alloy containing 1 % zirconium, and

1.1.4 R04261-Type 4 Commercial grade niobium alloy containing 1 % zirconium.

1.2 Except for dimensional tolerances in , the values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 The following precautionary caveat pertains only to the test methods portion of this specification. 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 and health practices and determine the applicability of regulatory limitations prior to use.

Additional information

Standard Title	B393-03 Standard Specification for Niobium and Niobium Alloy Strip, Sheet, and Plate
Published Code	ASTM
Publication Date	2003
Pages Count	5
ICS Codes	77.150.99 - Other products of non-ferrous metals

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ASTM-B393 2003

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