| ASTM B557 | Standard Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products | Materials Testing |
| Supersedes: None | Superseded By: None | |
| Selected sector: AS | ||
| SupplierNumber | SupplierName | State | CountryName |
| 90043790 | ATLAS TESTING LABORATORIES INC | CA | United States |
| 90055777 | Weber Metals Inc. | CA | United States |