ASTM International - ASTM B521-98
Standard Specification for Tantalum and Tantalum Alloy Seamless and Welded Tubes
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| Organization: | ASTM International |
| Publication Date: | 10 April 1998 |
| Status: | inactive |
| Page Count: | 3 |
| ICS Code (Other products of non-ferrous metals): | 77.150.99 |
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% columbium, electron-beam furnace or vacuum arc melt, or both.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
Document History
April 1, 2022
Standard Specification for Tantalum and Tantalum Alloy Seamless and Welded Tubes
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...
November 1, 2019
Standard Specification for Tantalum and Tantalum Alloy Seamless and Welded Tubes
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...
December 1, 2012
Standard Specification for Tantalum and Tantalum Alloy Seamless and Welded Tubes
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...
May 1, 2004
Standard Specification for Tantalum and Tantalum Alloy Seamless and Welded Tubes
This specification covers tantalum and tantalum alloy seamless and welded tubes of the following grades: UNS Grade R05400 which is unalloyed tantalum, powder-metallurgy consolidation, UNS Grade...
ASTM B521-98
April 10, 1998
Standard Specification for Tantalum and Tantalum Alloy Seamless and Welded Tubes
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...
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