Monel 400 Unwrought Alloy Slab
Unwrought slabs of Monel 400 alloy (approximately 67% copper, 30% nickel, trace elements), a premium copper-nickel base alloy for extreme corrosion resistance in chemical processing. Classified under HTS 7403.29.0110 as it fits copper-nickel base alloys with nickel predominant and zinc ≤1%.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing >1% zinc
Exceeds copper-nickel base alloy limit, potentially qualifying as copper-zinc if zinc predominates.
If nickel content dominates overall alloy
High-nickel alloys may shift to Chapter 72 iron/steel if reclassified by composition.
If for refined copper without alloying
Pure refined copper excludes alloys entirely.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Obtain material safety data sheets and spectrographic analysis proving nickel dominance over other elements
• Distinguish from master alloys (7405) by end-use documentation showing direct fabrication intent
Related Products under HTS 7403.29.01.10
Nickel Silver 65/18/17 Unwrought Billet
Unwrought billets composed of 65% copper, 18% nickel, and 17% zinc, classified as nickel silver for applications requiring high durability like musical instrument components. Meets HTS 7403.29.0110 criteria as copper-nickel-zinc base alloy with nickel ≥5% by weight.
Cupro-Nickel 70/30 Unwrought Anode
Unwrought anodes of 70% copper-30% nickel alloy used in electroplating and cathodic protection systems. Falls under HTS 7403.29.0110 as unwrought copper-nickel base alloy per subheading definitions.
Nickel Silver Unwrought Casting Grain
Granular unwrought nickel silver (copper-nickel-zinc) for precision casting in jewelry and hardware. HTS 7403.29.0110 applies due to nickel ≥5% composition meeting nickel silver definition.
Nordic Gold Unwrought Alloy (89/5/5/1)
Unwrought Nordic Gold alloy (89% Cu, 5% Al, 5% Zn, 1% Sn) but classified here when meeting nickel silver criteria through nickel addition variants. Actually standard Nordic Gold has no nickel, but Ni-variants fit 7403.29.0110 for coinage blanks.
Constantan Unwrought Wire Alloy
Unwrought form of Constantan (55% Cu, 45% Ni) resistance alloy for thermocouples and resistors. Copper-nickel base alloy under HTS 7403.29.0110 with nickel nearly equal but predominant over others.
Cupro-Nickel Condenser Tube Alloy Ingot
Master ingots of Cu-Ni 90/10 for seamless condenser tube production in power plants. Unwrought status qualifies for HTS 7403.29.0110.