You can probably use HS with 30 rage or more with your gear, just get a feel for your rage generation and learn for yourself when you should heroic strike. 60 is just a normal "safe zone" people use as a general rule, but with better gear you can use HS more often. seccond
you are way over expertise cap, its 26, you are at 34.
And you are WAY over hit cap, its 5%.
get rid of your trinket(s) get a greatness card, and mjolnir runestone or some other cirt/ap trinket. then get your tier 9 leggings and some other piece of tier, the warrior 4 set is very good.