Section XV — Base metals and articles of base metal
Heading
7305
Other tubes and pipes (for example, welded, riveted or similarly closed), having circular crosssections, the external diameter of which exceeds 406.4 mm, of iron or steel.
Common commodities
Large diameter line pipe for oil transportationHeavy wall structural pipe for constructionHigh-pressure hydro-electric conduit tubeMains pipe for water supply networkTrunk line for gas distributionSteel bore pipeline for sewerage systemLarge bore tubing for industrial applicationsHeavy duty steel conduit for electricity transmissionOversized steel mains pipe for mining industryLarge bore casing for offshore drilling