Chapter 8104 — Customs Tariff Headings

8104.20.00Waste and scrap

8104.30.00Raspings, turnings and granules, graded according to size; powders

8104.90.00Other

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Products classified under Tariff item 81.04

99.85% Pure Magnesium Billets

Cylindrical semi-finished billets of unwrought magnesium with a purity of at least 99.8% by weight, cast for subsequent extrusion into profiles. They are primary forms of magnesium not yet worked, meeting the tariff item's high-purity threshold.

99.9% Magnesium Pouring Cakes

Large flat cakes of unwrought magnesium poured directly from electrolysis, with a purity of at least 99.8% by weight. These primary forms are intended for remelting in foundries and meet the high-purity requirement of the tariff item.

Aerospace-Grade Magnesium Slabs 99.8%

Flat rectangular slabs of unwrought magnesium with a minimum purity of 99.8% by weight, cast for rolling into sheets for aerospace applications. These slabs are primary forms, not yet worked, and meet the tariff item's purity specification.

Die-Casting Magnesium Piglets 99.8%

Small trapezoidal piglets of high-purity unwrought magnesium (99.8% or more by weight), designed for melting in die-casting furnaces. These cast primary forms meet the tariff item's purity threshold and are not yet worked.

Electronic Grade Magnesium 99.95% Ingots

Ultra-pure unwrought magnesium ingots with a purity of 99.95% by weight, used as a reducing agent in semiconductor and electronics manufacturing. These ingots exceed the 99.8% purity threshold and are in primary unwrought form.

High-Purity Magnesium Ingot 99.9%

Large cast blocks of unwrought magnesium with a purity of at least 99.8% by weight, used primarily in aerospace for lightweight alloy production. These blocks are primary forms, not yet worked, and meet the tariff item's high-purity requirement.

High-Purity Magnesium Nuggets 99.8%

Irregularly shaped nuggets of cast unwrought magnesium exceeding 99.8% purity, commonly used in vacuum melting for advanced alloys. These nuggets are primary forms, not yet worked, and meet the tariff item's purity specification.

Primary Magnesium Sticks 99.85%

Long stick-shaped castings of unwrought high-purity magnesium (99.85% by weight), used in research and specialty alloying. These sticks are primary forms, not yet worked, and meet the tariff item's purity threshold.

3D Printing Magnesium Ingots

> These are special purity magnesium ingots formulated for laser powder bed fusion 3D printing. They are unwrought magnesium in primary form, not yet atomized into powder, and therefore fall under tariff item 8104.19.00 as "other" unwrought magnesium. The ingots enable the production of complex lightweight structures through additive manufacturing.

Alloy Feedstock Magnesium Wedges

> These wedge-shaped magnesium pieces are used for controlled alloying in master alloy production. They are primary unwrought magnesium in a form other than powder or refined, thus classified under tariff item 8104.19.00. They are essential for creating magnesium alloys like AZ91D and AM60.

Anode-Grade Magnesium Slabs

> These corrosion-resistant magnesium slabs are designed for cathodic protection anodes in marine and offshore applications. They are primary unwrought magnesium, not refined or powdered, and are classified under tariff item 8104.19.00. The slabs serve as sacrificial anodes for pipelines and ships.

Battery-Grade Magnesium Slabs

> These ultra-pure magnesium slabs are used for magnesium-air battery electrode production. They are primary unwrought magnesium with high electrochemical performance, classified under tariff item 8104.19.00 as "other" unwrought magnesium. The slabs are not refined or in powder form.

Desulfurization Magnesium Granules

> These coarse magnesium granules, less than 10mm in size, are used for steel ladle desulfurization injections. They are not classified as powder because they do not meet the 90% passing through a 1mm sieve test, so they fall under tariff item 8104.19.00 as unwrought "other" magnesium. They are critical for producing ultra-low sulfur steels.

Die Casting Magnesium T-Bars

> These T-shaped magnesium bars are designed for automated die casting furnace loading. They are unwrought magnesium in a primary form, not refined or powdered, and are classified under tariff item 8104.19.00. They serve as feedstock for producing consumer electronics housings.

Electrolytic Magnesium Billets

> These cylindrical magnesium billets are produced via the electrolytic Pidgeon process and are suitable for extrusion into profiles. They are primary unwrought magnesium, not refined, and fall under tariff item 8104.19.00. They are key raw materials for lightweight structural applications.

Extrusion-Grade Magnesium Blocks

> These large rectangular magnesium blocks are prepared for direct-feed extrusion presses. They are unwrought magnesium in an "other" form, excluding powder and refined forms, and are classified under tariff item 8104.19.00. They are critical for producing magnesium structural profiles.

Ferro-Magnesium Base Ingots

> These magnesium-rich ingots contain trace ferrosilicon and are used for steel desulfurization applications. They are classified as unwrought magnesium under tariff item 8104.19.00 because they contain at least 99% magnesium by weight. They are used in steel ladle metallurgy.

High-Purity Magnesium Pigs

> These cast magnesium pigs have 99.9% purity and are produced from electrolytic cells, stored under inert atmosphere. They are classified as unwrought "other" magnesium under tariff item 8104.19.00. They are used in electronics and pharmaceutical-grade applications.

Magnesium Casting Ingots

> These standard casting-grade magnesium ingots are used for gravity and low-pressure die casting operations. They are unwrought magnesium, not refined or powdered, and are classified under tariff item 8104.19.00. They are primary inputs for automotive wheels and transmission cases.

Medical Implant Magnesium Rods

> These biodegradable pure magnesium rods are used for orthopedic implants that degrade after bone healing. They are primary unwrought magnesium under tariff item 8104.19.00, not refined or powdered. They serve as bioresorbable implant material.

Pidgeon Process Magnesium Slabs

> These rectangular magnesium slabs are produced via the silicothermic Pidgeon process and are used for rolling into sheet stock. They are unwrought "other" magnesium under tariff item 8104.19.00, excluding powder and refined forms. They are essential for producing sacrificial anodes.

Primary Magnesium Ingots

> These high-purity magnesium ingots are produced by electrolysis or thermal reduction and contain at least 99% magnesium. They are classified under tariff item 8104.19.00 as unwrought magnesium that is not refined and not in powdered form. They are used in various applications including aerospace and automotive.

Structural Magnesium Billets

> These high-strength magnesium billets are used for aerospace structural forgings and extrusions. They are unwrought magnesium classified under tariff item 8104.19.00 and meet AMS specifications for aircraft components. They are not refined or powdered.

Magnesium Alloy Skeleton Scrap

Magnesium alloy skeleton scrap consists of skeleton sheets left over after punching magnesium alloy battery cases. These remnants are not usable as finished products and meet the definition of waste and scrap under Chapter 81, as they are metal goods definitely not usable as such due to cutting-up. The alloy composition falls under heading 81.04 for magnesium and articles thereof.

Magnesium Alloy Turnings

Magnesium alloy turnings are shavings and turnings generated from machining magnesium alloy parts in aerospace manufacturing. These fragments are waste and scrap because they are metal goods definitely not usable as such due to cutting-up. The alloy composition, with magnesium predominating by weight, classifies them under heading 81.04.

Magnesium Anode Scrap

Magnesium anode scrap consists of spent sacrificial magnesium alloy anodes from water heater corrosion protection. These anodes are no longer usable for their original purpose and qualify as waste and scrap under Chapter 81. The magnesium alloy composition falls under heading 81.04 for magnesium and articles thereof.

Magnesium Bicycle Frame Scrap

Magnesium bicycle frame scrap consists of damaged frames and tubes from magnesium alloy bicycle manufacturing rejects. These items are not usable as bicycle frames due to damage or defects, meeting the definition of waste and scrap. The magnesium alloy composition classifies them under heading 81.04.

Magnesium Borings from Machining

Magnesium borings from machining are fine borings produced during CNC machining of magnesium alloy components for electronics housings. These borings are waste and scrap as they are not usable in their current form. The magnesium alloy, with magnesium predominating by weight, falls under heading 81.04.

Magnesium Casting Gate Scrap

Magnesium casting gate scrap consists of gates and risers removed from magnesium alloy sand castings for engine blocks. These are generated as waste during casting and are not usable as finished articles. The magnesium alloy composition classifies them under heading 81.04 as waste and scrap.

Magnesium Die Casting Scrap

Magnesium die casting scrap consists of scrap fragments from rejected magnesium alloy die castings in automotive part production. These fragments are not usable as parts due to defects, meeting the definition of waste and scrap. The magnesium alloy composition falls under heading 81.04.

Magnesium Extrusion Scrap

Magnesium extrusion scrap consists of end cuts and rejects from magnesium alloy extrusion profiles for automotive wheels. These are waste and scrap as they are not usable in their current form. The magnesium alloy composition classifies them under heading 81.04.

Magnesium Forging Flash Scrap

Magnesium forging flash scrap consists of flash trimmings from forging magnesium alloy aircraft fittings. These trimmings are waste and scrap as they are not usable in their current form. The magnesium alloy composition falls under heading 81.04.

Magnesium Heat Sink Scrap

Magnesium heat sink scrap consists of scrap heat sinks from electronics cooling made of magnesium alloy. These heat sinks are not usable due to defects or damage, meeting the definition of waste and scrap. The magnesium alloy composition classifies them under heading 81.04.

Magnesium Ladder Rung Scrap

Magnesium ladder rung scrap consists of scrap from defective magnesium alloy ladder rungs rejected during quality control. These rungs are not usable as ladder components due to defects, meeting the definition of waste and scrap. The magnesium alloy composition falls under heading 81.04.

Magnesium Tooling Scrap

Magnesium tooling scrap consists of discarded magnesium alloy tooling plates from plastic injection mold making. These plates are not usable as tooling due to wear or damage, meeting the definition of waste and scrap. The magnesium alloy composition classifies them under heading 81.04.

Recycled Magnesium Swarf

Recycled magnesium swarf consists of wet swarf from grinding magnesium alloy turbine blades, dried for recycling. This swarf is waste and scrap as it is not usable in its current form. The magnesium alloy composition falls under heading 81.04.

Used Magnesium Alloy Sheets Scrap

Used magnesium alloy sheets scrap consists of trimming and offcut scrap from magnesium alloy sheets used in aircraft skinning. These offcuts are not usable as sheets due to cutting, meeting the definition of waste and scrap. The magnesium alloy composition classifies them under heading 81.04.

Atomized Magnesium Powder -325 Mesh

High-purity atomized magnesium powder graded to -325 mesh (44 microns), used in aerospace powder metallurgy. This product is a powder of magnesium, graded according to size, and falls under tariff item 8104.30.00 as it is not a waste or scrap product but a manufactured powder.

Coarse Magnesium Granules 4-8mm

Coarse magnesium granules graded 4-8mm, intended for large-scale remelting furnaces. These granules are graded according to size and are not waste or scrap, as they are specifically produced for remelting operations, falling under tariff item 8104.30.00.

Graded Magnesium Granules 3-6mm

Magnesium granules precisely graded 3-6mm, derived from recycling operations for ferrosilicon production. These granules are size-graded and processed, not raw waste, and thus fall under tariff item 8104.30.00 for graded granules of magnesium.

Magnesium Granules 0.5-1mm

Graded magnesium granules sized 0.5-1mm, derived from grinding processes for use in steel desulfurization. These granules are size-graded and processed, not unprocessed scrap, and fall under tariff item 8104.30.00 as graded granules of magnesium.

Magnesium Granules 1-2mm Ferrous

1-2mm magnesium granules with minor ferrous inclusions, graded for steelmaking. Despite the ferrous content, the product is primarily magnesium and graded according to size, falling under tariff item 8104.30.00 as graded granules.

Magnesium Powder 100-200 Micron

Spherical magnesium powder graded 100-200 microns for 3D printing applications. This is a powder of magnesium, graded according to size, and falls under tariff item 8104.30.00 as a processed powder, not waste or scrap.

Magnesium Powder -200 Mesh

Atomized magnesium powder with particle size graded to -200 mesh (74 microns), used in pyrotechnics and additive manufacturing. This is a powder of magnesium, graded according to size, and falls under tariff item 8104.30.00.

Magnesium Rasping Shavings 2-5mm

Rasping shavings from magnesium block machining, graded 2-5mm for recycling into ingots. These raspings are graded according to size and are not waste or scrap, as they are specifically processed for recycling, falling under tariff item 8104.30.00.

Magnesium Rasps 0.8-1.2mm

Fine magnesium rasps graded 0.8-1.2mm from surface finishing operations. These rasps are graded according to size and are processed, not waste, falling under tariff item 8104.30.00 as graded raspings of magnesium.

Magnesium Turnings -10 Mesh

Screened magnesium turnings passing 10 mesh (2mm), used in aluminum alloy production. These turnings are graded according to size and are not waste, falling under tariff item 8104.30.00 as graded turnings of magnesium.

Magnesium Turnings 1-3mm Grade

Magnesium turnings produced from machining operations, graded to 1-3mm particle size for metallurgical applications. These turnings are graded according to size and are not waste, falling under tariff item 8104.30.00.

Magnesium Turnings 5-10mm

Heavy magnesium turnings graded 5-10mm from billet machining, used in primary magnesium recovery. These turnings are graded according to size and are processed, not waste, falling under tariff item 8104.30.00.

Magnesium Turnings Granules 2-4mm

Granules formed from compacted and graded magnesium turnings, 2-4mm size. These granules are graded according to size and are processed, not waste, falling under tariff item 8104.30.00 as graded granules.

Screened Magnesium Rasping Powder

Powder derived from screening magnesium raspings, graded <100 microns. This is a powder of magnesium, graded according to size, and falls under tariff item 8104.30.00 as a processed powder.

Ultra-Fine Magnesium Powder -400 Mesh

Ultra-fine magnesium powder -400 mesh (38 microns) for pharmaceutical intermediates. This is a powder of magnesium, graded according to size, and falls under tariff item 8104.30.00 as a processed powder.

Magnesium Alloy Camera Body

> A precision-machined magnesium alloy body shell for professional DSLR cameras, imported separately from optics and electronics. It is a fabricated article of magnesium, not a part of Section XVI machinery, and is classified under tariff item 8104.90.00 as "Other" magnesium articles.

Magnesium Alloy Die Casting

> A precision die-cast component made from magnesium alloy (e.g., AZ91D) used in automotive transmission cases. It is a fabricated article of magnesium, with magnesium predominating by weight, and is classified under tariff item 8104.90.00 as "Other" magnesium articles.

Magnesium Alloy Laptop Chassis

> A unibody magnesium alloy chassis for ultrathin laptop computers, imported separately from electronic components. It is a fabricated article of magnesium, not a part of Section XVI machinery, and is classified under tariff item 8104.90.00 as "Other" magnesium articles.

Magnesium Anode Rod

> A cylindrical rod made primarily of magnesium used in water heaters to prevent corrosion through sacrificial anode action. It is a fabricated article of magnesium, distinct from unwrought magnesium, and is classified under tariff item 8104.90.00 as "Other" magnesium articles.

Magnesium Battery Terminal

> Corrosion-resistant magnesium battery terminals for marine batteries, fabricated connectors. They are articles of magnesium, not parts of electrical machinery, and are classified under tariff item 8104.90.00 as "Other" magnesium articles.

Magnesium Drone Frame

> A lightweight central frame assembly made from magnesium for commercial UAVs, imported as a structural metal component. It is a fabricated article of magnesium, not a part of Section XVI machinery, and is classified under tariff item 8104.90.00 as "Other" magnesium articles.

Magnesium Fire Starter

> A survival tool consisting of a magnesium block and flint striker for emergency fire starting. It is a fabricated magnesium consumer article, not a pyrophoric alloy, and is classified under tariff item 8104.90.00 as "Other" magnesium articles.