ASTM International
ASTM International (formerly American Society for Testing and Materials) is one of the largest voluntary standards development organizations in the world. ASTM standards cover a wide range of materials, products, systems, and services.
Structured elements that make up a ASTM identifier:
ASTM or ISO/ASTM
ASTMThe standard number
C33/C33MPublication year
-18Grade designation (e.g., A36M)
:designationRelationships between ASTM identifiers:
| Relation | Description | Syntax | Example |
|---|---|---|---|
| Dual Publication | Joint ISO/ASTM standard | ISO/ASTM [Number]:[Year] | ISO/ASTM 52900:2021 |