Section XV — Base metals and articles of base metal
HS code
73059010
High-pressure hydro-electric conduits of steel whether or not reinforced
Common commodities
Riveted steel high-pressure penstock pipeMechanically closed water conduit for hydroelectric powerLarge diameter riveted steel penstock tubeHydroelectric power system's reinforced conduitHigh pressure riveted penstock tubingUnreinforced large diameter water pipe for hydroelectricsRiveted steel penstock for high pressure water conveyanceWater conduit for hydroelectric power generation (riveted)Large steel penstock pipe for high-pressure applicationsHydroelectric power plant's high-pressure, riveted penstock