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HSChapter 73
U.S. imports of leaf springs and leaves therefor, of iron or steel (HS 732010) totaled $56.6M in April 2026, traded with 34 countries.
Importers of Leaf Springs and Leaves Therefor, of Iron or Steel paid $3.9M in duties in April 2026 — an effective duty rate of 42% on $9.3M in dutiable value, based on actual customs collections rather than the published tariff schedule. Leaf Springs and Leaves Therefor, of Iron or Steel imports of $56.6M in April 2026 ran 11% above the year-to-date monthly average of $50.9M.
Last updated: April 2026 dataA critical suspension component for commercial vehicles and light trucks, iron and steel leaf springs are subject to Section 232 tariffs as steel-derivative articles, making origin and material certification central to landed-cost calculations. The US schedule subdivides this heading by vehicle weight class and leaf thickness — notably separating motor vehicle suspension springs for vehicles of four metric tons or less (7320103000) from heavier-duty applications, and distinguishing leaves of 1.6 mm or more thickness (7320106015) from other configurations. Mexico and Canada are the leading suppliers, reflecting deep integration with North American automotive supply chains, with China and Japan also significant sources.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
The US tariff schedule breaks out leaf springs for motor vehicle suspension by the gross vehicle weight rating of the intended vehicle. Springs for vehicles of four metric tons or less classify under 7320103000, while heavier-duty vehicle suspension springs are further split by leaf thickness — leaves of 1.6 mm or more thickness under 7320106015, and other vehicle suspension springs under 7320106060. Non-vehicle-suspension leaf springs have their own parallel lines (7320109015 and 7320109060). Misclassification between these lines is a common audit finding.
Mexico-origin leaf springs may qualify for preferential tariff treatment under USMCA, provided the goods meet the applicable rules of origin, including any steel melt-and-pour requirements. However, Section 232 tariff exposure for steel-derivative articles is a separate consideration that can apply regardless of FTA eligibility, so importers should confirm both the origin qualification and any applicable trade-remedy status with a licensed customs broker.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 7320106015 | LEAF SPRG MOT VEH SUS, LVS 1.6MM O MORE THK, I/STL | $30.7M | 37.94% | $1.8M |
| 7320103000 | LEAF SPRG VEH SUSP, MOT VEH 4 MET TON OR LS, I/STL | $22.2M | 36.39% | $706K |
| 7320109060 | LEAF SPRINGS AND LVS THEREFOR, OTH, OTH, IRON/STL | $2.6M | 61.82% | $1.2M |
| 7320109015 | LEAF SPRNGS IND LVS OF 1.6MM O MORE THK, OF I/STL | $549K | 39.30% | $109K |
| 7320106060 | LEAF SPRINGS, VEH SUSP, OTHER, OF IRON OR STEEL | $549K | 33.99% | $163K |
LEAF SPRG MOT VEH SUS, LVS 1.6MM O MORE THK, I/STL
LEAF SPRG VEH SUSP, MOT VEH 4 MET TON OR LS, I/STL
LEAF SPRINGS AND LVS THEREFOR, OTH, OTH, IRON/STL
LEAF SPRNGS IND LVS OF 1.6MM O MORE THK, OF I/STL
LEAF SPRINGS, VEH SUSP, OTHER, OF IRON OR STEEL
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7320100000 | LEAF SPRINGS AND LEAVES THEREFOR, OF IRON OR STEEL | $3.3M |
LEAF SPRINGS AND LEAVES THEREFOR, OF IRON OR STEEL
722.7K kg
ARTICLES OF IRON OR STEEL NESOI
HS 732690
STRUCTURES AND PARTS NESOI OF IRON OR STEEL
HS 730890
THREADED SCREWS AND BOLTS NESOI OF IRON OR STEEL
HS 731815
COOKING APPLIANCES ETC FOR GAS FUEL, IRON OR STEEL
HS 732111
NUTS OF IRON OR STEEL
HS 731816
TABLE, KITCHEN ETC ARTICLES & PTS, STAINLESS STEEL
HS 732393
| Port | Imports | Exports | Balance |
|---|---|---|---|
| EAGLE PASS, TX | $33.1M | -- | -$33.1M |
| LAREDO, TX | $14.5M | $520K | -$13.9M |
| LOS ANGELES, CA | $1.3M | $191K | -$1.1M |