Plumbing
Pipe Small Valve Blue
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 (3 POIs)
Joe's Junction (tier 4), NDC Checkpoint Four (tier 4), Motel Eight (tier 1).
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.