| AISI |
American Iron and Steel Institute |
| ANSI |
American Naional Standards |
| API |
American Petroleum Institute |
| ASME |
American Society of Mechanical Engineers |
| ASTM |
ASTM International |
| AWS |
American Welding Society |
| BS |
British Standards Institution |
| DIN |
Deutsches Institute for Normung |
| ISO |
International Organization for Standardization |
| JIS |
Japan Industrial Standards |
| KS |
Korean Industrial Standards |
| MIL |
Military Specifications and Standards |
| NF |
Norm Francaise |
| SAE |
Society of Automotive Engineers |
| UL |
Underwriters Laboratory |
| UNS |
Unified Numbering System |
