Doors and hatches
Steel Cellar Door
Press & hold Activate to lock it or set a combination. Repair with Forged Steel and a construction tool using the secondary action.
Upgrade path
Hit a placed block with a stone axe, claw hammer or nail gun while carrying the material of the next step.
Crafting
Craft at Workbench · makes 1
Forged Steel× 10
Spring× 10
Mechanical Parts× 10
Harvest drops
Iron× 96
Taken apart with a harvesting tool (axe, pickaxe, shovel), before perks and tool bonuses.
Salvage drops
Spring× 1-2
Mechanical Parts× 1-2
Extra parts when salvaged with a wrench, ratchet or impact driver.
When it collapses
Falling, it leaves
Scrap Metal Pile (75% of the time) where it lands.
Where to find (3 POIs)
Judy Witch (tier 4), Church Of The Blinding Faith (tier 3), The Curren Residence (tier 2).
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.