SPECIFICATIONS AND STANDARDS

INTERNATIONAL DESIGNATIONS

AS: Australia
NBN: Belgium
DS: Denmark
BS, DTD: United Kingdom
AECMA, EURONORM: Europe
SFS: Finland
AFNOR, AIR, NFA: France
DIN: Germany
IS: India
UNI: Italy
JIS: Japan
NOM, GDN: Mexico
NS: Norway
SIS: Sweden
ISO: International Organization for Standardization

NORTH AMERICAN DESIGNATIONS

AISI: American Iron and Steel Institute
ANSI: American National Standards Institute
AMS: Aerospace Material Specifications
ASME: American Society of Mechanical Engineers
ASTM: American Society for Testing & Materials
AWS: American Welding Society
CSA: Canadian Standards Association