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HSChapter 84
U.S. imports of plasma arc machine tools for material removal (HS 845640) totaled $9.5M in July 2026, traded with 18 countries.
Importers of Plasma Arc Machine Tools for Material Removal paid $419K in duties in July 2026 — an effective duty rate of 14% on $3.0M in dutiable value, based on actual customs collections rather than the published tariff schedule. Plasma Arc Machine Tools for Material Removal imports of $9.5M in July 2026 ran 23% above the year-to-date monthly average of $7.7M.
Last updated: July 2026 dataPlasma arc cutting machines use a superheated ionized gas jet to sever electrically conductive metals — steel, aluminum, and stainless — at speeds and thicknesses that make them a standard tool in structural fabrication, shipbuilding, and heavy equipment manufacturing. Canada and Mexico are the leading US suppliers under this heading, a supply pattern consistent with integrated North American manufacturing under USMCA. The US schedule separates numerically controlled metalworking plasma arc tools (8456401010) from non-NC metalworking units (8456401090) and non-metalworking plasma arc applications (8456409000). CNC plasma tables are the dominant commercial form, widely used in job shops and OEM fabrication facilities.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
106 shipments/mo
Plasma arc machine tools originating in Canada or Mexico and meeting USMCA rules of origin qualify for preferential (duty-free or reduced) tariff treatment under that agreement. Importers must obtain a valid USMCA certification of origin from the producer or exporter and ensure the goods meet the applicable tariff shift or regional value content requirement. A licensed customs broker can verify whether a specific machine qualifies.
Multi-process machines present a classification challenge because they span both 845611 (laser) and 845640 (plasma arc). CBP's general rule is to classify by the machine's essential character or, if that cannot be determined, by the heading that appears last in numerical order. In practice, importers should request a binding ruling from CBP, supported by the manufacturer's specifications showing the primary cutting technology and the proportion of use in each mode.
Subheading 3 of 7 in heading 8456
Subheading 845640 · $9.5M of $75.2M
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 |
|---|---|---|---|---|---|
| 8456401010 | Mach Tools, Plasma Arc Metal-Workng, Num Contrlld | $7.0M | 2.18% | 11.63% | $152K |
| 8456401090 | Machine Tools, Plasma Arc, Metalworking, Other | $2.0M | 10.77% | 86.66% | $214K |
| 8456409000 | Machine Tools, NESOI, O/T Metal,Plasma Arc,Process | $584K | 9.14% | 72.66% | $53K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8456401000 | Machine Tools, Etc.metal-Working Op by Plasma Arc | $1.7M |
| 8456409000 | Machine Tools, NESOI, O/T Metal,Plasma Arc,Process | $1.2M |
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.
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ImportsExports
Imports
$9.5MYoY · Pro
Exports
$2.8MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Canada and Netherlands together supply 85% of it.
customs district
destination
entry
rate provision · imports
69.0% enters free of duty; the effective duty rate is 4.39%.