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9. How to Access and Use ASTM Standards

• Paid access: ASTM's official website (www.astm.org) sells individual standards (approx. $50–80 USD each) or offers annual subscriptions.
• Libraries & universities: Many provide free on-site access via ASTM Compass.
• Reading Room: ASTM offers free, read-only access to many withdrawn or historical standards.
• Never rely on an obsolete version – Always check that you are using the latest active standard. Projects often name a specific year (e.g., "ASTM E8-16a") to lock the version.

| Type | Purpose | Example | |------|---------|---------| | Test Method | Defines how to perform a specific test (apparatus, procedure, calculation) | ASTM E8 (tension testing of metals) | | Specification | Sets minimum requirements a material or product must meet | ASTM A106 (seamless carbon steel pipe for high-temperature service) | | Practice/Guide | Describes a sequence of operations without passing/fail criteria | ASTM E29 (using significant digits in test data) | | Terminology | Defines terms and symbols to avoid confusion | ASTM D123 (terms relating to textiles) | | Classification | Groups materials into categories based on similar characteristics | ASTM D2487 (soil classification for engineering purposes) | | Test Method | (Repeated for emphasis, as it's the most common type) | – | norma astm

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