In IC² experimental, Refined Iron must be made in the Blast Furnace.
Refined Iron Plate
Now some further instructions for those customers, who bought the slightly less expensive versions of this products-row in crafting blueprints form.
I would still recommend that you BUY all machines instead, but if you really want to, you may craft them as well.
First of all, you need the basic resource for all kind of advanced machines:
It's secret knowledge revealed to you now, but you can actually smelt iron ingots to even better iron ingots. Isn't that great?
They look better AND for sure are much more useful!