Standard

NEK EN IEC 61788-23:2021

Nov 2021 Published

Note: This standard has a new edition: NEK EN IEC 61788-23:2024

Corrigenda and amendments are bought separately.

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Abstract

This part of IEC 61788 addresses a test method for the determination of the residual resistance ratio (RRR), rRRR, of cavity-grade niobium. This method is intended for high-purity niobium grades with 150 < rRRR < 600. The test method is valid for specimens with rectangular or round cross-section, cross-sectional area greater than 1 mm2 but less than 20 mm2, and a length not less than 10 nor more than 25 times the width or diameter.

Document information

Standard from NEK
Published: 1 November 2021
Edition: 2021-10
Version: 1
Document type: NAT
ISBN:

ICS 17.220
ICS 29.050
National Committee NEK/NK90

Product Relations

Replaced by: NEK EN IEC 61788-23:2024
Replaces: NEK EN IEC 61788-23:2018
Adopted from: EN IEC 61788-23:2021 , 0

NEK EN IEC 61788-23:2021

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NEK EN IEC 61788-23:2024