National Standards


Steel specifications are often prefixed with initials. This can indicate the originating country of the grade.

 

Specification PrefixCountry of Origin
ASAustralia
ONORMAustria
NBNBelgium
BDSChina
GBCanada
CSASlovak/Czech Republic
CSNFinland
AFNORFrance
DINGermany
BSUnited Kingdom
MSZHungary
UNIItaly
JISJapan
NSNorway
PNPoland
STASRomania
GOSTRussia
SSSweden
UNESpain
SNV / VSMSwitzerland
AISI, AMS, ASME, SAE, UNSUnited States
EN (Euronorm)European