Section XV — Base metals and articles of base metal
HS code
73053910
High-pressure hydro-electric conduits of steel whether or not reinforced
Common commodities
High pressure spiral-welded penstock pipesHelical reinforced water conduits for hydropowerLarge diameter hydroelectric power penstocksUnreinforced high pressure helical pipesSpiral welded steel conduit for hydropower generationLarge bore spiral-welded penstock pipeHigh pressure spiral-welded hydro conduitHelical reinforced water pipe for power plantsLarge diameter helical penstock in hydropower systemsSpiral-welded high pressure hydroelectric penstock