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HSChapter 73
U.S. imports of railway & tramway track switch blades, crossing frogs, point rods & other crossing pieces of iron or steel (HS 730230) totaled $2.3M in April 2026, traded with 10 countries.
Importers of Railway & Tramway Track Switch Blades, Crossing Frogs, Point Rods & Other Crossing Pieces of Iron or Steel paid $1.0M in duties in April 2026 — an effective duty rate of 44% on $2.3M in dutiable value, based on actual customs collections rather than the published tariff schedule. Railway & Tramway Track Switch Blades, Crossing Frogs, Point Rods & Other Crossing Pieces of Iron or Steel imports of $2.3M in April 2026 ran 12% below the year-to-date monthly average of $2.6M.
Last updated: April 2026 dataSubject to Section 232 tariffs on steel imports, these precision-engineered track components — switch blades, crossing frogs, and point rods — are the mechanical heart of rail junction systems, directing rolling stock between diverging lines. The entire heading consolidates into a single 10-digit tariff line (7302300000), meaning all variants of iron or steel crossing pieces enter under one classification regardless of design or gauge. Importers should confirm whether goods meet the dimensional and metallurgical specifications required by Class I railroads or transit authorities, as misclassification between this heading and general structural steel shapes is a recurring audit issue.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Crossing frogs are the fixed V-shaped assemblies at the intersection of two rails that guide wheel flanges through the crossing point. They are classified under 7302300000 along with switch blades and point rods, all of which are purpose-built for directing or guiding rail traffic at junctions — distinguishing them from plain rail sections (7302) or fasteners (7318).
Yes. Iron and steel articles in Chapter 73, including switch blades and crossing frogs, are broadly subject to Section 232 tariffs. Importers should verify current applicability and any country-specific exclusions or quota arrangements with a licensed customs broker before entry.
Monthly import values over time
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | $16K | $2.8M | +$2.8M |
| INDIA | $1.5M | -- | -$1.5M |
| UNITED KINGDOM | $501K | -- | -$501K |
| CHINA | $146K | -- | -$146K |
| MEXICO | $7K | $122K | +$116K |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 7302300000 | SWTCHBLDS, X-ING FRGS, PT RDS AND OTH IOS XING PCS | $2.3M | 44.36% | $1.0M |
SWTCHBLDS, X-ING FRGS, PT RDS AND OTH IOS XING PCS
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7302300000 | SWTCHBLDS, X-ING FRGS, PT RDS AND OTH IOS XING PCS | $3.0M |
SWTCHBLDS, X-ING FRGS, PT RDS AND OTH IOS XING PCS
486.7K 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 |
|---|---|---|---|
| PORT HURON, MI | -- | $1.3M | +$1.3M |
| PEMBINA, ND | -- | $1.0M | +$1.0M |
| NORFOLK-NEWPORT NEWS, VA | $722K | -- | -$722K |