Standard ASTM B0394-09E01

Standard Specification for Niobium and Niobium Alloy Seamless and Welded Tubes (Withdrawn 2018)
Publication date
Replaced by
No Replacement
23.040.15 Non-ferrous metal pipes
Summary :

1.1 This specification covers wrought niobium and niobium alloy seamless and welded tubes as follows:

1.1.1 R04200-Type 1Reactor grade unalloyed niobium,

1.1.2 R04210-Type 2Commercial grade unalloyed niobium,

1.1.3 R04251-Type 3Reactor grade niobium alloy containing 1 % zirconium, and

1.1.4 R04261-Type 4Commercial grade niobium alloy containing 1 % zirconium.

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.

1.3 The following precautionary caveat pertains only to the test methods portion of this specification. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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