Flametal Ore Valheim 1.0.20
Flametal Ore is a material found in the Ashlands biome in Valheim.
“Warm to the touch with glowing veins of strange metal. Needs to be refined in a blast furnace.”
Flametal Ore is a material. The in-game description calls it warm to the touch, with glowing veins of strange metal, and says it needs to be refined in a blast furnace.
Each piece weighs 10, and you can carry up to 30 in a single stack. It cannot be teleported, so you have to move it by other means.
Other material items
Acorns, 
Amber, 
Amber Pearl, 
Ancient Bark, 
Ancient Coin, 
Ancient Metal, 
Ashlands Gourmet Bowl, 
Ashwood, 
Asksvin Bladder, 
Asksvin Hide, 
Asksvin Neck, 
Asksvin Pelvis.