A book published by ASM (American Society for Metals) titled "Engineering Properties of Steel" lists all of the chemcial, physical, and mechanical properties of steel. In the back of the book, it also has a "conversion" section that has the AISI equivalents to the following countires:
France - AFNOR
Germany - DIN
Italy - UNI
Japan - JIS
Sweden - SS
United Kingdom - B.S.
United States - AMS
ASME
ASTM
FED
MIL-SPEC
SAE
UNS
I do not know of a web address, only this book.
Ksuengrng