Section XV — Base metals and articles of base metal
HS code
73053110
High-pressure hydro-electric conduits of steel whether or not reinforced
Common commodities
High pressure reinforced steel penstock pipesLongitudinally welded hydroelectric water conduitsSteel penstock pipes for power generationReinforced steel high-pressure water pipesLarge diameter welded hydroelectric conduitsPenstock pipe for power transmissionLongitudinally welded steel pressure penstockHydroelectric reinforced steel water pipelineSteel penstock for hydropower plantsWelded large diameter high-pressure penstock