I recommend Tepium or Coerum depending on your Region. They offer a tutorial to help get you started with the game.
For tin, make at the workbench then put in bloomery with any fuel. To make bronze, put the tin ingots and copper ingots in the crucible and use coal as fuel.
I have also, but I think it is only possible on the easy PvE servers?
Click on the item you want to warp and the option should be there.