Plumbing
Pipe Small Joint Grey
While not as sturdy as solid concrete, iron constructions have high structural integrity, requiring fewer support pillars.
Drops when destroyed
Iron× 1-2
Short Iron Pipe× 1
Where to find (5 POIs)
Hybrid Energy (tier 4), Pipeline Gas Co (tier 4), The Knowbly Cabin (tier 1), Rhythm & Brews District, Trader Rekt.
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.