ASTM-B521:2012 Edition
$35.75
B521-12 Standard Specification for Tantalum and Tantalum Alloy Seamless and Welded Tubes
Published By | Publication Date | Number of Pages |
ASTM | 2012 | 4 |
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.