ASTM B884-97

    Standard Specification for Niobium-Titanium Alloy Billets, Bar and Rod for Superconducting Applications

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    1. Scope

    1.1 This specification covers niobium-titanium alloy billets, bars, and rods, at 46 to 48% titanium. This material is used in the manufacture of wire for superconducting applications.

    1.2 The values stated in either inch-pound or SI units are to be regarded separately as standard. The values stated in each system are not exact equivalents; therefore, each system must be used independent of the other; SI values cannot be mixed with inch-pound values. SI units are stated in parentheses.

    1.3 The following precautionary caveat pertains only to the test methods portion, Section 13, 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.


    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

    E92 Test Method for Vickers Hardness of Metallic Materials

    E112 Test Methods for Determining Average Grain Size

    E165 Practice for Liquid Penetrant Examination for General Industry

    E214 Practice for Immersed Ultrasonic Testing by the Reflection Method Using Pulsed Longitudinal Waves

    E384 Test Method for Knoop and Vickers Hardness of Materials

    E2626 Guide for Spectrometric Analysis of Reactive and Refractory Metals

    ANSI Standard

    ANSIB46-1 Surface Texture Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.

    ASNT Standard

    ASNTSNT-TC-1A Personnel Qualification and Certification in Nondestructive Testing Available from American Society for Nondestructive Testing (ASNT), P.O. Box 28518, 1711 Arlingate Ln., Columbus, OH 43228-0518, http://www.asnt.org.


    ICS Code

    ICS Number Code 77.150.50 (Titanium products); 77.150.99 (Other products of non-ferrous metals)

    UNSPSC Code

    UNSPSC Code 30102402(Non ferrous alloy rods); 30266002(Non ferrous alloy bar)


    DOI: 10.1520/B0884-97

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