American Society for testing and materials (ASTM)

ASTM International, founded as the American Society for Testing and Materials, is a nonprofit organization that develops and publishes approximately 12,000 technical standards, covering the procedures for testing and classification of materials of every sort. Headquartered in West Conshohocken, United States, ASTM standards are used worldwide, with its membership consisting of over 30,000 members representing 135 countries. ASTM also serves as the administrator for the U.S. TAGs (United States Technical Advisory Group) to an enormous amount of ISO/TCs (International Organization for Standardization/Technical Committee) and to their subcommittees.

Standards from ASTM are available both individually, directly through the ANSI webstore, and as part of a Standards Subscription.

At ASTM International, producers, users, consumers, and others from all over the world join together to develop voluntary consensus standards. ASTM standards are developed under a process that embraces the World Trade Organization Technical Barriers to Trade Agreement principles. The ASTM standards development process is open and transparent, allowing individuals and governments to participate directly, and as equals, in a global consensus decision.