Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM B392-03

Standard Specification for Niobium and Niobium Alloy Bar, Rod, and Wire

Standard Specification for Niobium and Niobium Alloy Bar, Rod, and Wire B0392-03 ASTM|B0392-03|en-US Standard Specification for Niobium and Niobium Alloy Bar, Rod, and Wire Standard new BOS Vol. 02.04 Committee B10
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Abstract

This specification covers four grades of wrought niobium and niobium alloy bar, rod, and wire as R04200-Type 1, reactor grade unalloyed niobium; R04210-Type 2, commercial grade unalloyed niobium; R04251-Type 3, reactor grade niobium alloy containing 1 % zirconium; and R04261-Type 4, commercial grade niobium alloy containing 1 % zirconium. The chemical; and mechanical properties requirements, such as Brinell hardness, tensile strength, yield strength, and elongations; as well as the temper designations are detailed.

Scope

1.1 This specification covers four grades of wrought niobium and niobium alloy bar, rod, and wire as follows:

Note-Committee B-10 has adopted "niobium" as the designation for Element No. 41, formerly named "columbium."

1.1.1 R04200-Type 1 -Reactor grade unalloyed niobium,

1.1.2 R04210-Type 2 -Commercial grade unalloyed niobium,

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

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

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.

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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Details
Book of Standards Volume: 02.04
Developed by Subcommittee: B10.03
Pages: 4
DOI: 10.1520/B0392-03
ICS Code: 77.150.99