ASTM B521-98
Superseded Standard
Historical

ASTM B521-98

Standard Specification for Tantalum and Tantalum Alloy Seamless and Welded Tubes
Most recent standard

Summary

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.

Technical characteristics

Publisher American Society for Testing and Materials (ASTM International)
Publication Date 04/10/1998
Collection
Page Count 3
Themes Other products of non-ferrous metals
EAN ---
ISBN ---
Weight (in grams) ---
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