ASTM B392 - 18 - Standard Specification for Niobium and Niobium Alloy Bar, Rod, and Wire

ASTM B392 - 18

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

Status : Current   Published : April 2018



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

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 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  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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4  This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard NumberASTM B392 - 18
TitleStandard Specification for Niobium and Niobium Alloy Bar, Rod, and Wire
Publication Date01 April 2018
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors Niobium, niobium alloy, niobium bar, niobium rod, niobium wire
File Size76 KB

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