|
ASTM
-- American Society for Testing and Materials |
AMS -- Aerospace Material
Specification |
|
AISI
-- American Iron And Steel Institute |
IC -- Investment Casting Institute |
|
MIL -- Military
Specification |
SAE
-- Society of Automotive Engineers |
|
ACI -- Alloy Casting
Institute |
IN -- International Nickel |
| QQ
-- Federal Specifications
|