Steel Blocks

Description
 are a craftable building material. It is the most durable building block in the game. It is created by upgrading Reinforced Concrete Blocks with ten (10) Forged Steel using any construction tool.

Crafting Process
A  is the result of upgrading one (1) Reinforced Concrete Blocks with ten (10) Forged Steel using any construction tool.

Alpha 17:
Cannot be upgraded anymore as the upgrading material was removed from the game.

Alpha 15:
Changed some statistics like durability.

Alpha 13:
 is first introduced into the game.