Standard Specification for Palladium-Silver-Copper Electrical Contact Alloy
Standard Specification for Palladium-Silver-Copper Electrical Contact Alloy
ABSTRACT This specification covers an alloy containing palladium, silver, copper, platinum, and nickel in the form of wire, rod, and strip for electrical contacts. The materials shall be processed by cold working, heat treating, annealing, turning, grinding, and pickling. The material shall conform to the required chemical composition of palladium, silver, copper, platinum, and nickel. The alloys shall conform to the required mechanical properties such as tensile strength, elongation, Knoop hardness, and Vickers hardness. SCOPE 1.1 This specification covers an alloy containing palladium, silver, copper, platinum, and nickel in the form of wire, rod, and strip for electrical contacts. 1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.3 The following precautionary statement pertains to the test method portion only, Section 7, 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 become familiar with all hazards including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
ASTM B563-01(2022): Standard Specification for Palladium-Silver-Copper Electrical Contact Alloy defines requirements for an alloy composed primarily of palladium, silver, and copper, with minor additions of platinum and nickel. This alloy is used in the manufacture of electrical contact materials, available in wire, rod, and strip forms. The standard outlines the necessary chemical composition, mechanical properties such as tensile strength and hardness, and manufacturing processes to ensure high reliability in electrical applications.
Developed by ASTM International, this standard helps ensure consistency and quality for manufacturers, suppliers, and users of precious metal electrical contact materials. It is aligned with internationally recognized principles of standardization and is referenced by various industry stakeholders, including agencies of the U.S. Department of Defense.
Material Composition: Specifies required content for each element, ensuring alloy purity and performance. For example:
Forms of Delivery: Covers the alloy supplied as wire, rod, or strip to suit different manufacturing needs in the electrical contacts industry.
Manufacturing Processes:
Mechanical Properties: The alloy must meet specific mechanical criteria based on the intended temper, such as:
Inspection and Testing:
Safety and Compliance: Emphasizes user responsibility for safety practices and adherence to applicable regulations, including reviewing manufacturer-provided Safety Data Sheets (SDS).
Другие стандарты ASTM
The palladium-silver-copper contact alloy specified in ASTM B563-01(2022) is used in a diverse range of demanding electrical and electronic applications. Key uses include:
The alloy's excellent mechanical and electrical properties, combined with its resistance to wear and tarnish, make it valuable for applications requiring both longevity and performance.
For users and manufacturers working with palladium-silver-copper electrical contact alloys, several closely related standards are referenced within ASTM B563-01(2022):
These associated standards provide additional procedures for testing, quality verification, and general material requirements, ensuring a comprehensive approach to material performance and compliance in electrical contact applications.
Keywords: palladium-silver-copper alloy, electrical contacts, ASTM B563-01, precious metal alloys, contact materials, hardness, tensile strength, compliance, quality assurance, electrical connector standards