ASTM International - ASTM B394-18

Standard Specification for Niobium and Niobium Alloy Seamless and Welded Tubes

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Organization: ASTM International
Publication Date: 1 April 2018
Status: active
Page Count: 5
significance And Use:

13.1 For the purposes of determining compliance with the specified limits for requirements of the properties listed in this specification, an observed value or a calculated value shall be rounded... View More

scope:

1.1 This specification covers wrought niobium and niobium alloy seamless and welded tubes 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 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, 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.

abstract:

This specification covers wrought niobium and niobium alloy seamless and welded tubes. Material covered by this specification shall be made from ingots that are produced by vacuum or plasma arc... View More

Document History

ASTM B394-18
April 1, 2018
Standard Specification for Niobium and Niobium Alloy Seamless and Welded Tubes
1.1 This specification covers wrought niobium and niobium alloy seamless and welded tubes as follows: 1.1.1 R04200-Type 1—Reactor grade unalloyed niobium, 1.1.2 R04210-Type 2—Commercial grade...
October 1, 2009
Standard Specification for Niobium and Niobium Alloy Seamless and Welded Tubes
This specification covers wrought niobium and niobium alloy seamless and welded tubes. Material covered by this specification shall be made from ingots that are produced by vacuum or plasma arc...
October 1, 2009
Standard Specification for Niobium and Niobium Alloy Seamless and Welded Tubes (Withdrawn 2018)
This specification covers wrought niobium and niobium alloy seamless and welded tubes. Material covered by this specification shall be made from ingots that are produced by vacuum or plasma arc...
September 10, 2003
Standard Specification for Niobium and Niobium Alloy Seamless and Welded Tubes
This specification covers wrought niobium and niobium alloy seamless and welded tubes. Material covered by this specification shall be made from ingots that are produced by vacuum or plasma arc...
November 10, 1999
Standard Specification for Niobium and Niobium Alloy Seamless and Welded Tubes
1.1 This specification covers wrought niobium and niobium alloy seamless and welded tubes as follows: Note-Committee B-10 has adopted "niobium" as the designation for Element No. 41, formerly named...
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