ASTM B692-90(2000)
Historical Standard: ASTM B692-90(2000) Standard Specification for 75% Silver-25% Graphite Sliding Contact Material
SUPERSEDED (see Active link, below)
ASTM B692
1. Scope
1.1 This specification defines the criteria for composition and other requirements for brushes with a nominal silver content of 75 weight% with the balance being substantially graphite.
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 establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
1.3 It is the responsibility of the user to become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet for this product/material as provided by the manufacturer.
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
B613 Guide for Preparing Specifications for Miniature Brushes of Composite Materials for Sliding Electric Contacts
E18 Test Methods for Rockwell Hardness of Metallic Materials
ANSI Standard
C64.1 Brushes for Electrical Machines Available from Standardization Documents Order Desk, DODSSP, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http://dodssp.daps.dla.mil.Keywords
electrical contacts; graphite; silver; sliding contacts; Electrical contact materials (silver alloy); Silver (electrical/electronic applications)--specifications; Silver-graphite electrical contact alloy
ICS Code
ICS Number Code 77.120.99 (Other non-ferrous metals and their alloys)
DOI: 10.1520/B0692-90R00
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