Section XV (Chapters 72 to 76): Base metals and articles of base metal

Base metals and articles of base metal. Chapter 72 covers
ferrous metals in primary forms and as products derived directly from those
forms (e.g. semi-finished products and semi-manufactures). It is divided into
four Sub-Chapters:

• Primary materials; products in granular or
  powder form.
• Iron and non-alloy steel.
• Stainless steel.

Other alloy steel; hollow drill bars and rods of alloy or non-alloy
steel.