HS Chapter 73 — Articles of iron or steel
Harmonized System classification guide · last updated 2026-10-14
HS Chapter
Chapter number
Section
Section name
Typical duty
By subheading & market
HS headings
4-digit headings
What Chapter 73 covers
Articles of iron or steel: tubes, structures, fasteners, tools, articles n.e.s.
Common HS headings in Chapter 73
- 7304 Steel tubes
- 7308 Steel structures
- 7318 Screws, bolts
Classification notes
Article type (tube vs structure vs fastener) determines the subheading.
Frequently asked questions about HS Chapter 73
What Chapter 73 covers
Articles of iron or steel: tubes, structures, fasteners, tools, articles n.e.s.
Which products are classified under HS Chapter 73?
Common HS headings in Chapter 73 include: 7304 Steel tubes; 7308 Steel structures; 7318 Screws, bolts.
How do I find the import duty for HS Chapter 73 goods?
Determine the precise 6-digit HS subheading for your product, then check the MFN rate and any preferential rate for your destination market (e.g., China, the United States, the EU). 169e’s country tariff pages list rates per HS chapter.
What should I watch for when classifying HS Chapter 73 products?
Article type (tube vs structure vs fastener) determines the subheading.