Iron Bar
From Junk Jack Wiki
Bars can be crafted from ingots. And are used in crafting many objects. 
The iron bars are used in many items, while other bars are less useful.
[edit] Recipe
- Requires an Anvil
- 2 Iron Ingots
- Recipe makes 3
[edit] Used In
You can use other ores to make bars but they can't be used in crafts, other than Bows and Arrows.
It is used when crafting:
