Steel Piston Blank

Steel Piston Blank is a product of using a Newcomen Hammer. It can be turned into a Steel Cylinder Blank or Precision Piston.

Crafting
Fire a Steel Ingot at a Firing Forge using Wooden Tongs. Then use the hot metal on a Firing Newcomen Hammer once to forge the Piston Blank. Note: Hot metal cools after 10 seconds.