Plumbing
Pipe Fire Hazard Black 3m
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)
Pass-N-Gas Truck Plaza (tier 3), The Huenink Residence (tier 2), Marvin's Restaurant (tier 1), Kountry Mart, PGC Compressor Station #5.
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.