HTS heading 7320 · Chapter 73
HTS 7320: Springs and leaves for springs, of iron or steel
HTS heading 7320 covers springs and leaves for springs, of iron or steel. It has 7 tariff lines with a duty rate; the general (MFN) rates are 3.2% (4 lines), 3.9% (1 line), Free (1 line) and others.
Imports may also owe Chapter 99 tariffs (Section 232, 301 or 201) depending on origin and date, plus the Merchandise Processing Fee and, by sea, the Harbor Maintenance Fee.
Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission.
Tariff lines and duty rates
| HTS code | Description | General | Special | Column 2 | Estimate |
|---|---|---|---|---|---|
| 7320.10 | Leaf springs and leaves therefor: | ||||
| Suitable for motor vehicle suspension: | |||||
| 7320.10.30.00 | To be used in motor vehicles having a G.V.W. not exceeding 4 metric tons[kg] | 3.2% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | Estimate → |
| 7320.10.60 | Other | 3.2% | Free (A+,AU,B,BH,CL,CO,D,E,IL, JO,KR,MA, OM,P,PA,PE,S,SG) | 25% | |
| 7320.10.60.15 | Leaf springs having individual leaves with a thickness of 1.6 mm or more and leaves therefor[kg] | Estimate → | |||
| 7320.10.60.60 | Other[kg] | Estimate → | |||
| 7320.10.90 | Other | 3.2% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 25% | |
| 7320.10.90.15 | Leaf springs having individual leaves with a thickness of 1.6 mm or more and leaves therefor[kg] | Estimate → | |||
| 7320.10.90.60 | Other[kg] | Estimate → | |||
| 7320.20 | Helical springs: | ||||
| 7320.20.10.00 | Suitable for motor-vehicle suspension[kg] | 3.2% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | Estimate → |
| 7320.20.50 | Other | 3.9% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | |
| Helical springs, of wire having a cross-sectional dimension of less than 5.1 mm: | |||||
| 7320.20.50.10 | Suitable for use in mattress supports and mattresses of heading 9404[kg] | Estimate → | |||
| 7320.20.50.20 | Other[kg] | Estimate → | |||
| 7320.20.50.45 | Helical springs, of wire having a cross-sectional dimension of 5.1 mm or more but less than 12.7 mm[kg] | Estimate → | |||
| 7320.20.50.60 | Other[kg] | Estimate → | |||
| 7320.90 | Other: | ||||
| 7320.90.10.00 | Hairsprings[kg] | Free | 65% | Estimate → | |
| 7320.90.50 | Other | 2.9% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 45% | |
| Of wire: | |||||
| 7320.90.50.10 | Suitable for use in mattress supports and mattresses of heading 9404[kg] | Estimate → | |||
| 7320.90.50.20 | Other[kg] | Estimate → | |||
| 7320.90.50.60 | Other[kg] | Estimate → |
18 lines shown. Statistical suffixes (the last two digits) inherit the rate of the 8-digit subheading above them.
Example: base duty and fees on $10000
For HTS 7320.10.30.00 at the general rate of 3.2%, shipped by ocean, before any Chapter 99 tariffs:
| Base duty (3.2%) | $320.00 |
| Merchandise Processing Fee (0.3464%, min $34.58) | $34.64 |
| Harbor Maintenance Fee (0.125%) | $12.50 |
| Duty and fees | $367.14 |
Origin-specific tariffs can multiply this. Run this example from China or from Mexico to see every line.
Special program codes in this heading
- A, A*, A+
- Generalized System of Preferences (GSP)
- AU
- U.S.–Australia FTA
- B
- Automotive Products Trade Act
- BH
- U.S.–Bahrain FTA
- CL
- U.S.–Chile FTA
- CO
- U.S.–Colombia Trade Promotion Agreement
- D
- African Growth and Opportunity Act (AGOA)
- E, E*
- Caribbean Basin Economic Recovery Act
- IL
- U.S.–Israel FTA
- JO
- U.S.–Jordan FTA
- JP
- U.S.–Japan Trade Agreement
- KR
- U.S.–Korea FTA (KORUS)
- MA
- U.S.–Morocco FTA
- OM
- U.S.–Oman FTA
- P, P+
- CAFTA-DR
- PA
- U.S.–Panama Trade Promotion Agreement
- PE
- U.S.–Peru Trade Promotion Agreement
- S, S+
- USMCA (United States–Mexico–Canada Agreement)
- SG
- U.S.–Singapore FTA
A special rate applies only when the goods qualify under that program's rules of origin and the claim is made at entry.