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 Containers for compressed or liquefied gas, of iron or steel Commodity Code Description 73 11 00 00 Containers for compressed or liquefied gas, of iron or steel 73 11 00 21 Of a capacity of 30 l or more, but less than 110 l, for Automotive Compressed Natural 73 11 00 22 Of a capacity of 110 l or more, for Automotive Compressed Natural Gas (CNG) or Liquef 73 11 00 23 Of a capacity of less than 30 l, for Liquefied Petroleum Gas (LPG) 73 11 00 24 Of a capacity of 30 l or more, but less than 110 l, for Liquefied Petroleum Gas (LPG) 73 11 00 25 Other, for Liquefied Petroleum Gas 73 11 00 26 Other, of a capacity of less than 30 l 73 11 00 27 Other, of a capacity of 30 l or more, but less than 110 l 73 11 00 29 Other 73 11 00 91 Of a capacity not exceeding 7.3 l 73 11 00 92 Of a capacity more than 7.3 l, but less than 30 l 73 11 00 94 Of a capacity of 30 l or more, but less than 110 l 73 11 00 99 Other