Replacing a triple outer chainring with double?

[Aston]

Earlier in the year I bought a double 46T chainring for my Thorn Club Tour by mistake, not realising this would be slightly wider than the triple it was to replace.

Is there likely to be a problem using the wider outer chainring other than sitting a bit proud by maybe 0.2mm? Both chainrings are Shimano SG—X
Thanks

 

[Paulus]

The obvious thing is that the front mech will/might need to be adjusted, probably by the limit screw.
I'm sure someone will come along with a more substantial view.

 

[All uphill]

I didn't know chainrings for doubles are a different width than those for triples, and have often swapped rings between bikes without problems.

AI also doesn't know of different chainring widths.

Maybe I have misunderstood your question. Sorry.