ISO/TR 4644:2021
International Standard
Current Edition
·
Approved on
27 August 2021
Nickels, ferronickels and nickel alloys — Standards for the determination of chemical composition
ISO/TR 4644:2021 Files
English
23 Pages
Current Edition
OMR
64.25
ISO/TR 4644:2021 Scope
This document lists the International Standards which are currently available for the determination of the chemical composition of nickels, ferronickels and nickel alloys (see Clause 4).
It provides details on the range of application and gives the principle of the method described in each International Standard (see Clause 5).
Annex A shows graphical representations of the content ranges of the methods listed in this document:
- Figure A.1 represents the fields of application of the methods available for the three kinds of matrixes;
- Figure A.2 gives the content ranges of the methods for nickels;
- Figure A.3 gives the content ranges of the methods for ferronickels;
- Figure A.4 gives the content ranges of the methods for nickel alloys.
Annex B provides a bilingual key of the abbreviated terms used in the figures given in Annex A.
Best Sellers
GSO 150-2:2013
Gulf Standard
Expiration dates for food products - Part 2 :
Voluntary expiration dates
OS GSO 150-2:2013
GSO 150-2:2013
Omani Standard
Expiration dates for food products - Part 2 :
Voluntary expiration dates
OS GSO 9:2022
GSO 9:2022
Omani Standard
Labeling of prepackaged food stuffs
GSO 9:2022
Gulf Technical Regulation
Labeling of prepackaged food stuffs
Recently Published
ISO 5183-1:2026
International Standard
Resistance welding equipment — Electrode adaptors, male taper 1:10 — Part 1: Conical fixing, taper 1:10
ISO 21384-3:2026
International Standard
Uncrewed aircraft systems — Part 3: Operational procedures
ISO 10993-3:2026
International Standard
Biological evaluation of medical devices — Part 3: Evaluation of genotoxicity, carcinogenicity, reproductive toxicity and developmental toxicity
ISO 20457:2026
International Standard
Plastics moulded parts — Tolerances and acceptance conditions