Norm

ASTM B521 - 98(2004) en

Standard Specification for Tantalum and Tantalum Alloy Seamless and Welded Tubes

  • Deze norm is ingetrokken sinds 01-12-2012

45,11 54,58 Incl BTW

Over deze norm

Status Ingetrokken
Aantal pagina's 3
Gepubliceerd op 01-05-2004
Taal Engels

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.

Details

Engelse titel Standard Specification for Tantalum and Tantalum Alloy Seamless and Welded Tubes
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