ASME - American Society of Mechanical Engineers
ASTM - American Society for Testing and Materials
BS -British Standards
SCC -Canadian Norms
DIN - German Norms
EN - Euronorm
GOST - Russian Norms
ISO - International Organization for Standardization
JIS - Japanese Standards
NACE - The Corrosion Society
SASO - Saudi Arabian Standards Organization
UNI - Italian Standards