Section 15 Base metals and articles of base metal 73 Articles of iron or steel 73 11 Containers for compressed or liquefied gas, of iron or steel 73 11 00 Of a capacity not exceeding 7.3 l 73 11 00 91 Of a capacity not exceeding 7.3 l Commodity Code Description 73 11 00 91 00 Of a capacity not exceeding 7.3 l