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ASTM-B521:2019 Edition(Redline)

ASTM-B521:2019 Edition(Redline)

$30.33

B521-19 Standard Specification for Tantalum and Tantalum Alloy Seamless and Welded Tubes (Redline)

Published By Publication Date Number of Pages
ASTM 2019 5
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ASTM B521-19

Redline Standard: Standard Specification for Tantalum and Tantalum Alloy Seamless and Welded Tubes

ASTM B521

Scope

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

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

1.1.2 UNS Grade R05200—Unalloyed tantalum, vacuum melted,

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

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

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

1.2 The 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.

1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

seamless tubing; tantalum; tantalum alloy; tantalum tubes; welded tubing;

ICS Code

ICS Number Code 77.150.99 (Other products of non-ferrous metals)

DOI: 10.1520/B0521-19

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