The Smelting Furnace is a Crafting Module in Astroneer that is crafted at the Medium Printer. It is used to smelt raw resources into Refined resources.
The Smelting Furnace refines raw resources when the player turns on the furnace. Nuggets will be pulled from attached storages as one of the four slots on the bottom becomes available until all smeltable resources are refined. The following table lists the raw resources and what they refine to.
- Power Consumption Rate: 3 Units/s
- The Smelting Furnace has gone through the most changes during its development. It currently has 4 versions and an automated Pre-release version of it, which in turn has another model.
Pre-Release Smelter (Automated with rails)
Hydrazine Refinery (replaced with hydrazine catalyzer)