HS Code	Commodity Description
730511	LINE PIPE USED FOR OIL OR GAS PIPELINES LONGITUDINALLY SUBMERGED ARC WELDED HAVING EXTERNAL DIAMETER >406.4MM
73051111	GALVANISED PIPE OF IRON FOR OIL OR GAS LONGITUDINALLY SUBMERGED ARC WELDED
73051119	GALVANISED PIPE OF OTHER FOR OIL OR GAS LONGITUDINALLY SUBMERGED ARC WELDED
73051121	NON-GALVAN PIPE OF IRON FOR OIL OR GAS LONGITUDINALLY SUBMERGED ARC WELDED
73051129	NON-GALVAN PIPE OF OTHER FOR OIL OR GAS LONGITUDINALLY SUBMERGED ARC WELDED