ASTM B 521 : 2012

Name: ASTM B 521 : 2012 - Standard Specification for Tantalum and Tantalum Alloy Seamless and Welded Tubes
Brand: American Society for Testing and Materials

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Standard Specification for Tantalum and Tantalum Alloy Seamless and Welded Tubes

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Language(s)

English

Published date

12-01-2012

Publisher

American Society for Testing and Materials

Superseded date

02-19-2020

Superseded by

ASTM B 521 : 2019

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Committee	B 10
DocumentType	Standard
Pages	4
PublisherName	American Society for Testing and Materials
Status	Superseded
SupersededBy	ASTM B 521 : 2019
Supersedes	ASTM B 521 : 1998 : R2004

1.1This specification covers tantalum and tantalum alloy seamless and welded tubes of the following grades:

1.1.1UNS Grade R05400—Unalloyed tantalum, powder-metallurgy consolidation,

1.1.2UNS Grade R05200—Unalloyed tantalum, vacuum melted,

1.1.3UNS Grade R05252—Tantalum + 2.5 % tungsten alloy, vacuum melted.

1.1.4UNS Grade R05255—Tantalum + 10 % tungsten alloy, vacuum melted.

1.1.5UNS Grade R05240—Tantalum alloy, 60 % tantalum, 40 % niobium, electron-beam furnace or vacuum arc melt, or both.

1.2The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

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ASTM B 521 : 2012

Standard Specification for Tantalum and Tantalum Alloy Seamless and Welded Tubes

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