Steel code conversion 1

[peterbue]

I am engaged in designing steel structures the material of which is defined by ASTM-, AISI- or EN codes, some of them fairly rare. Does anyone know where to look for corresponding Chinese material codes?

 

[deanc]

http://www.key-to-steel.com/

http://www.azom.com/

http://www.matweb.com/index.asp?ckck=1

Some free, some not.