Norm

ASTM B521-12

Standard Specification for Tantalum and Tantalum Alloy Seamless and Welded Tubes

48,24

Over deze norm

Status Definitief
Aantal pagina's 4
Commissie B10.03
Gepubliceerd op 01-12-2012
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 % 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.

Details

ICS-code 77.150.99
Nederlandse titel Standard Specification for Tantalum and Tantalum Alloy Seamless and Welded Tubes
Engelse titel Standard Specification for Tantalum and Tantalum Alloy Seamless and Welded Tubes

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