ASTM B692
Standard Specification for 75 % Silver-25 % Graphite Sliding Contact Material
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About This Item
ASTM B692 is the ASTM standard specification for 75% silver-25% graphite sliding contact material. It defines a technical framework for a material used in sliding electrical contact applications, helping buyers, engineers, and quality teams align on a common product basis. By focusing on composition and material expectations, this standard supports consistent selection, comparison, and procurement of contact material intended for reliable sliding performance in technical assemblies.
Purpose of ASTM B692
The purpose of ASTM B692 is to establish a clear specification for a silver-graphite sliding contact material with a defined 75% silver and 25% graphite composition. As a standard specification, it provides a reference for identifying the material and evaluating whether it matches the intended technical requirements. This helps reduce ambiguity during purchasing, inspection, and manufacturing, especially when a stable sliding contact material is needed for controlled performance and repeatable quality.
Common use cases of ASTM B692
ASTM B692 is commonly used when specifying or sourcing sliding contact material for electrical or electromechanical components that rely on movement between contact surfaces. The silver-graphite composition is generally associated with contact applications where conductivity and sliding behavior are important together. It may be used in procurement documents, material qualification, and product acceptance workflows when a consistent specification is needed for comparing suppliers or verifying conformity to a defined standard.
Why ASTM B692 matters
ASTM B692 matters because it gives purchasers and manufacturers a shared technical reference for a specialized sliding contact material. That makes it easier to support compliance, quality control, and product evaluation without relying on informal descriptions alone. In practice, using a recognized ASTM standard can help reduce miscommunication, improve consistency across orders, and support more reliable inspection and acceptance decisions for materials intended for sliding electrical contact service.
- 75% silver, 25% graphite composition
- Sliding contact material specification
- Supports technical purchasing and QA review
- Useful for material comparison and acceptance
- Publication Date: 2023-05-01
- Publisher: ASTM
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