The table, in which RadGrid resides, is only 50px wide in Chrome, that's why the RadGrid inside is not seen. I suspect this has something to do with the positioning and float styles that you are using for the wrapper elements on the page. Try setting some explicit widths.
the Telerik team
Do you want to have your say when we set our development plans?
Do you want to know when a feature you care about is added or when a bug fixed?
Telerik Public Issue Tracking
system and vote to affect the priority of the items.