Steel

Steel Mix = Steel Mix is the fourth best material in the game (right behind Adurite)
 * 2 Raw Iron
 * 1 Coal

Obtaining

 * Open the Crafting Menu. (Press C.)
 * Move to the "All" Tab or search "Steel" in the search bar.
 * Craft the steel mix using Iron and Coal.
 * Smelt the Steel Mix through a campfire.

Uses
Steel can make Steel Net, Coin Press, Steel Raft, Steel Armor, The Battleaxe, Steel Axe, and Steel Pickaxe.

Steel is currently the fourth best material and set in the game, third being adurite, second being crystals, and first being magnetite. Steel is recognized by its white slate texture, and its gray steel bar. You currently need to be level ten to craft steel items.
 * -|Steel Bar =

Usage
The first stage of steel is when it is still combined with Raw Iron and Coal from crafting called the steel mix. This itself has no use yet. However, when you smelt the Steel Mix, you will obtain a steel bar, which has a drastic color change shifting from bright white into a drapy gray. This Steel Bar can be used to craft:
 * a full Steel Armor set
 * Steel Net
 * Coin Press
 * Steel Raft
 * Steel Tools
 * Steel Axe
 * Steel Pickaxe