ASTM B 708 - 05 Standard Specification for Tantalum and Tantalum Alloy Plate, Sheet, and Strip

American Society for Testing and Materials (ASTM). Current edition approved Nov. 1, 2005. Published November 2005. Originally approved in 1982. Last previous edition approved in 2001 as B 708 – 01. 7 p. This specification covers unalloyed and alloyed tantalum plate, sheet, and strip as follows:
1 R05200, unalloyed tantalum, electron-beam furnace or vacuum-arc melt, or both,
2 R05400, unalloyed tantalum, powder-metallurgy consolidation,
3 R05255, tantalum alloy, 90 % tantalum, 10 % tungsten, electron-beam furnace of vacuum-arc melt, or both,
4 R05252, tantalum alloy, 97.5 % tantalum, 2.5 % tungsten, electron-beam furnace or vacuum-arc melt, or both, and
5 R05240, tantalum alloy, 60 % tantalum, 40 % nobium, electron-beam furnace or vacuum-arc melt.