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Harmonized System
U.S. exports of cast iron waste and scrap (HS 720410) totaled $19.7M in July 2026.
Cast Iron Waste and Scrap imports of $5.0M in July 2026 ran 15% below the year-to-date monthly average of $6.0M.
Last updated: July 2026 dataCast iron scrap — recovered from engine blocks, pipe fittings, machine castings, and similar gray or ductile iron articles — is a key charge material for cupola and induction furnace foundries producing new castings. Canada and Mexico are the dominant US suppliers, consistent with the integrated North American automotive and heavy-equipment manufacturing base that generates substantial cast iron obsolescence scrap. Imports are subject to Section 232 tariffs, though country-specific exemptions and quota arrangements have historically applied; current status should be verified at entry.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
241 shipments/mo
Cast iron is defined by its carbon content — generally above 2% by weight — and its characteristic brittleness and non-malleability. Customs classification relies on the material's composition and origin (e.g., broken castings vs. steel stampings). A mill or laboratory analysis confirming carbon content above the steel threshold supports classification under 7204.10 rather than the steel scrap subheadings.
Most jurisdictions require a scrap metal export license or declaration, and some countries restrict export of certain scrap grades. For US imports, the commercial invoice should identify the scrap grade, estimated composition, and origin. Basel Convention controls do not apply to ferrous scrap, but importers should confirm no country-specific export restrictions affect supply from their source.
HSChapter 72
Subheading 5 of 7 in heading 7204
Subheading 720410 · $5.0M of $183.7M
Supplier Network
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ImportsExports
Imports
$5.0MYoY · Pro
Exports
$19.7MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 7204100000 | Cast Iron Waste and Scrap | $5.0M | 0.01% | 0.13% | $670 |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7204100000 | Cast Iron Waste and Scrap | $19.7M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Exports · July 2026
destination
India and Thailand together take 54% of it.
customs district
origin
entry
rate provision · imports
99.9% enters free of duty; the effective duty rate is 0.01%.