The official ASTM digital library. You can purchase a single-user PDF download for approximately $60–$80 USD.
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These are authorized resellers of ASTM standards. They often offer "single-user" PDFs with the same legal weight as ASTM Compass. The official ASTM digital library
: While specific grades (like 304 or 316) have their own chemical limits, A480 provides the general procedures for heat analysis, product analysis, and mechanical testing methods like tension and hardness tests. astm a480 a480m pdf
The standard details several mandatory quality and ordering parameters: Chemical Analysis