U.S. imports of Parts for Metalworking Converters, Ladles, Ingot Molds & Casting Machines (SITC 73719) totaled $30.1M in August 2026, imported from 40 countries.
Importers of Parts for Metalworking Converters, Ladles, Ingot Molds & Casting Machines paid $2.7M in duties in August 2026, an average duty rate of 9.02% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: August 2026 dataReplacement and spare parts for the converters, ladles, ingot molds, and casting machines used in metallurgical and foundry operations are grouped under SITC 73719, distinguishing them from the complete equipment covered by 73711 and 73712. These parts — ranging from tundish components and mold copper plates to ladle slide gates — are critical maintenance items that directly affect production uptime in steel and aluminum plants. Classification precision matters here because misidentifying a part as a complete machine, or routing it to a more general machinery-parts heading, can affect duty treatment and trade-remedy applicability.
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1.1K import shipments a month
Principal-use governs: if the copper plate is designed and sold specifically as a component of a continuous casting machine, it is properly classified as a part of casting machinery under 73719 rather than as a general copper article. Supporting documentation such as OEM part numbers and technical drawings strengthens the classification position.
The key criterion is that the part must be suitable solely or principally for use with the specific equipment types listed — converters, ladles, ingot molds, or casting machines used in metallurgy or foundries. General-purpose fasteners, seals, or bearings that lack that specificity would typically fall under broader machinery-parts headings rather than 73719.
Basic heading 297 of 642 in section 7
Basic heading 73719 · $30.1M of $172.0B
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Imports · August 2026
origin
Canada and Germany together supply 50% of it. China pays 36.9% duty; Canada 0.5%.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$30.1MYoY · free account
Exports
$11.2MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $335.3M of Parts for Metalworking Converters, Ladles, Ingot Molds & Casting Machines.
Through August 2026 · exports 10 of 12 months reported. Source: U.S. Census Bureau.