Plumbing
Pipe Small Wall Valve 02 Red
While not as sturdy as solid concrete, iron constructions have high structural integrity, requiring fewer support pillars.
Salvage drops
Brass× 12-25
Extra parts when salvaged with a wrench, ratchet or impact driver.
Drops when destroyed
Iron× 1-2
Short Iron Pipe× 1
Where to find (4 POIs)
NFD Downtown HQ (tier 4), Pipeline Gas Co (tier 4), Greg's Motel (tier 3), Perishton Tunnel North.
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.