Stainless Steel Blocks

Description
 are a craftable building material. They are the most durable building blocks in the game. They are created by upgrading Steel Blocks with ten (10) Steel Polish using any construction tool. However, the Steel Polish was removed from the game, so are no longer craftable by players. When degrade, they degrade into Reinforced Concrete Blocks, rather than Steel Blocks.

Crafting Process
A Stainless Steel Block is the result of upgrading one (1) Steel Block block with ten (10) Steel Polish using any construction tool.

Alpha 15
are first introduced into the game.

 Alpha 17 

You can no longer upgrade steel blocks into stainless steel; however it is still available in the creative menu as "ST Steel".