Covers base metals and articles of base metal. This section has 12 chapters as below :
Chapter 72: Iron and Steel
Chapter 73: Articles of Iron or Steel
Chapter 74: Copper and articles thereof
Chapter 75: Nickel and Articles thereof
Chapter 76: Aluminum and Articles thereof
Chapter 77: Reserved for Possible Future Use in the Harmonize systems
Chapter 78: Lead and Articles thereof
Chapter 79: Zinc and Articles thereof
Chapter 80: Tin and Articles thereof
Chapter 81: Other Base metals; Cermets articles thereof
Chapter 82: Tools, implements, cutlery, spoons and forks, of base metal; parts thereof of base metal
Chapter 83: Miscellaneous articles of base metal