1. Scope
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.
2. Referenced Documents (purchase separately) 
The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
Keywords
seamless tubing; tantalum; tantalum alloy; tantalum tubes; welded tubing;
DOI: 10.1520/B0521-98R04
ASTM International is a member of CrossRef.
Citing ASTM Standards
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