ASTM C808 is the ASTM standard titled Standard Guide for Reporting Friction and Wear Test Results of Manufactured Carbon and Graphite Bearing and Seal Materials. It provides a consistent way to present test outcomes for these materials, helping users compare performance data more reliably. For bearing and seal applications, clear reporting supports better material selection, technical review, and quality decisions. ASTM C808 is especially useful when friction and wear behavior must be communicated in a standardized, practical format.

Purpose of ASTM C808

The purpose of ASTM C808 is to guide how friction and wear test results are reported for manufactured carbon and graphite bearing and seal materials. Rather than defining a material itself, the standard focuses on reporting consistency so test data can be read, compared, and used with less ambiguity. This is important when evaluating performance under controlled test conditions and when documenting results for engineering, procurement, or product qualification workflows. It helps align technical communication across users and suppliers.

Common use cases of ASTM C808

ASTM C808 is commonly used when laboratories, manufacturers, or buyers need a structured format for sharing friction and wear test results on carbon and graphite materials used in bearings and seals. It may support product development, incoming material review, internal testing, and supplier documentation. The standard is useful wherever these materials are being evaluated for tribological performance and the resulting data must be recorded in a consistent, comparable way for engineering decisions.

Why ASTM C808 matters

This standard matters because test data is only useful when it is reported clearly and consistently. ASTM C808 helps reduce confusion in technical records, supports more dependable comparison between materials, and can improve confidence during qualification or compliance-related review. For organizations working with manufactured carbon and graphite bearing and seal materials, a common reporting guide also helps streamline communication between test labs, engineering teams, and purchasing groups. ASTM C808 supports better documentation and lower evaluation risk.

• Reporting guide for friction and wear test results
• Focused on manufactured carbon and graphite materials
• Relevant to bearing and seal applications
• Supports consistent data presentation
• Useful for testing, review, and procurement