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SITCSection 7
U.S. imports of parts for metalworking converters, ladles, ingot molds & casting machines (SITC 73719) totaled $30.5M in April 2026, traded with 36 countries.
Importers of Parts for Metalworking Converters, Ladles, Ingot Molds & Casting Machines paid $2.1M in duties in April 2026 — an effective duty rate of 8.5% on $24.6M in dutiable value, based on actual customs collections rather than the published tariff schedule. Parts for Metalworking Converters, Ladles, Ingot Molds & Casting Machines imports of $30.5M in April 2026 ran 15% above the year-to-date monthly average of $26.5M.
Last updated: April 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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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.
Monthly import values over time
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