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ASTM B772-97(2012)
Standard Guide for Specifying the Chemical Compositions for Electrical Contact Materials (Arcing and Nonarcing) (Withdrawn 2021)
2 стр.
Отменен
Электронный (pdf)Печатное издание
84.24 $ (включая НДС 20%)
Разработчик:
Зарубежные/ASTM
ICS:
77.040.30 Chemical analysis of metals / Химический анализ металлов
Сборник (ASTM):
02.04 Nonferrous Metals – Nickel, Titanium, Lead, Tin, Zinc, Zirconium, Precious, Reactive, Refractory Metals and Alloys: Materials for Thermostats, Electrical Heating and Resistance Contact, and Connectors / Цветные металлы - Никель, Кобальт, Свинец, Олово, Цинк, Кадмий, Драгоценные металлы, химически активные металлы, Тугоплавкие металлы и сплавы, Материалы для Термостатов, Электронагревательных приборов, Контактов, Соединительные устройств
Тематика:
Other Nonferrous Metals
Описание
Причина отменыThis guide provides suggested methods for users and producers of electrical contact materials to specify the chemical compositions of these materials.

Formerly under the jurisdiction of Committee B02 on Nonferrous Metals and Alloys, this guide was withdrawn in January 2021 in accordance with section 10.6.3 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the end of the eighth year since the last approval date.

Значение и использование

3.1 This guide should be used by committees or individuals in specifying the chemical composition of electrical contact materials.

Область применения

1.1 This guide provides suggested methods for users and producers of electrical contact materials to specify the chemical compositions of these materials.

1.2 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 become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.

Ключевые слова:
analysis; chemical composition; contacts; electrical contact materials; impurities; tolerance limits