Blast Furnace

The build cost, comfort value, and health for Blast Furnace in Valheim, plus its prefab ID for the spawn console command.

Overview

Blast Furnace is a crafting building piece in Valheim, placed with the Hammer. It's built from Stone, Surtling core, Iron, and Fine wood.

The Blast Furnace has 2000 health.

Spawn one directly with the console command spawn blastfurnace once cheats are enabled via devcommands.

Some metals need higher temperatures to melt.

Piece ID	blastfurnace
Category	Crafting
Health	2000

Command reference: spawn

Spawn Command

Spawns Blast Furnace. Requires cheats enabled (devcommands).

Build Cost

More Crafting

Processing & production

Full reference

3 entries

Processing & production
Station	Input	Output	Time	Fuel & capacity
Blast Furnace	1 ×Flametal Ore	1 ×Flametal	30 sec Keep the smoke outlet clear	2 Coal / output 10 input capacity · 20 fuel capacity
Blast Furnace	1 ×Black metal scrap	1 ×Black metal	30 sec Keep the smoke outlet clear	2 Coal / output 10 input capacity · 20 fuel capacity
Blast Furnace	1 ×Petrified Tissue	1 ×Bloodgold	30 sec Keep the smoke outlet clear	2 Coal / output 10 input capacity · 20 fuel capacity

Blast Furnace

Input: 1 ×Flametal Ore
Output: 1 ×Flametal
Time: 30 sec
Keep the smoke outlet clear
Fuel & capacity: 2 Coal / output
10 input capacity · 20 fuel capacity

Blast Furnace

Input: 1 ×Black metal scrap
Output: 1 ×Black metal
Time: 30 sec
Keep the smoke outlet clear
Fuel & capacity: 2 Coal / output
10 input capacity · 20 fuel capacity

Blast Furnace

Input: 1 ×Petrified Tissue
Output: 1 ×Bloodgold
Time: 30 sec
Keep the smoke outlet clear
Fuel & capacity: 2 Coal / output
10 input capacity · 20 fuel capacity

Times are base processing times while the station can operate. Wind, blocked smoke, shelter, skills, and world settings can change actual production.

Building mechanics

Full reference

Blast Furnace

Structural support: Stone
1000 maximum
100 minimum support
Weather & damage: No rain wear
blunt: Resistant
slash: Resistant
pierce: Resistant
chop: Resistant
fire: Immune
frost: Immune
poison: Immune
spirit: Immune
Needs protection from Ashlands ash
Heavy snow can damage weakly supported pieces

Support depends on contact geometry and the pieces underneath. Maximum support is not a safe height in meters. Damage multipliers are before other game effects.

Build materials

Required crafting station

Artisan Table

Item entry

Blast furnace

Placement rules

Check these restrictions before choosing where to build.

Water: Cannot be placed in water
Support: Cannot be placed on wood
Surface: Cannot be placed on a tilting surface
Inside dungeons: Not allowed

Game data source

The full settings include internal fields and inactive defaults. The sections above explain the values relevant to gameplay.

Download full game settings (JSON)