inbound ASN 856 spec information

Hi Gurus,

i was wondering whether there is a standard field or set of fields on the inbound delivery document to populate the specification information coming from the suppplier. the scenario is our supplier will be sending us the 856 - ASN. we aere buying steel from him. so he will send hte spec ifnromation also. like the carbon %, manganaese %, vanadium % etc etc, so is there a place to put all this infoirmation so that i can work with our van provider to provide this mapping and amake sure that when the EDI files comes over and updates SAP, it creates the inbound delivery and the devliery will contain this information and from there on it is the normal receiving process of goods via inbound delivery etc etc

Thanks

Anusha