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ASTM B 521 : 2012

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Standard Specification for Tantalum and Tantalum Alloy Seamless and Welded Tubes

Available format(s)

Hardcopy , PDF

Superseded date

19-02-2020

Superseded by

ASTM B 521 : 2019

Language(s)

English

Published date

01-12-2012

€59.22
Excluding VAT

Committee
B 10
DocumentType
Standard
Pages
4
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

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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