Plumbing
Pipe Small Valve 02 Black
While not as sturdy as solid concrete, iron constructions have high structural integrity, requiring fewer support pillars.
Salvage drops
Brass× 12-25
Mechanical Parts× 1 @ 50%
Extra parts when salvaged with a wrench, ratchet or impact driver.
Drops when destroyed
Iron× 1-2
Short Iron Pipe× 1
Where to find (12 POIs)
Shamway Factory (tier 5), Pipeline Gas Co (tier 4), Water Treatment Plant (tier 4), Junkville Saloon (tier 3), NPD 3rd Division (tier 3), A1 Self Storage, Bloomington Square, Bruno's Boulevard, Navezgane Outlets, PGC Compressor Station #5, PGC Compressor Station #6, Resolution Square.
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.