Section XV — Base metals and articles of base metal
HS code
73051910
Over 20 cm diameter
Common commodities
Large spiral oil transport line pipe (exceeds 200mm)Helically welded natural gas pipeline over 20cm diameterExcessive diameter helix-welded line pipe for oil flowHigh dimension helically seam pipe for gas transportOil transportation line pipe with diameter more than 20 cm (helix)Spiral seam large diameter pipe (oil or gas, over 20 cm)Helically welded gas line pipe exceeding 20cm in diameterLarge oil transport spiral-welded pipeline with a diameter over 20 cmHigh-capacity helical seam pipe for oil and gas transportSpiral seam large oil or gas transport line (exceeds 20 cm)