Chapter 7506 — Customs Tariff Headings

Cold-Formed Nickel Foil for Battery Anodes

Cold-formed nickel foil for battery anodes, processed to precise thicknesses below 0.15 mm and used as anode current collectors in lithium-ion batteries. The cold-forming process imparts specific mechanical properties, and the product is classified under tariff item 7506.10.10 as worked foil of non-alloyed nickel.

Cold-Formed Nickel Foil for Catalyst Supports

Perforated cold-formed nickel foil used as structured catalyst supports in chemical reactors. The cold-forming process and perforations make it worked foil, and its non-alloyed nickel composition and thickness below 0.15 mm place it under tariff item 7506.10.10.

Cold-Formed Nickel Foil for EMI Shielding

Ultra-thin cold-formed pure nickel foil for electromagnetic interference shielding in electronics, with thickness below 0.05 mm. The cold-forming process makes it worked foil, and its non-alloyed composition and thin gauge classify it under tariff item 7506.10.10.

Cold-Formed Nickel Foil for Flexible Circuits

Ultra-thin cold-formed nickel foil laminated into flexible printed circuits for wearables. The cold-forming process and lamination make it worked foil, and its non-alloyed nickel composition and thickness under 0.15 mm place it under tariff item 7506.10.10.

Cold-Formed Nickel Foil for Vacuum Deposition Targets

High-purity cold-formed nickel foil used as sputtering targets for thin-film vacuum deposition. The cold-forming process ensures uniform evaporation, and its non-alloyed composition and thickness below 0.15 mm classify it under tariff item 7506.10.10.

Cold-Formed Nickel Plate for Aerospace Shims

Precision cold-formed nickel plates used as shims and spacers in aircraft engines, with tight tolerances. These are worked plates of non-alloyed nickel, and while thicker than foil, they are classified under tariff item 7506.10.10 if they meet the worked foil criteria; however, as plates, they may not fit the foil definition, so this candidate is excluded.

Cold-Formed Nickel Plate for Heat Exchanger Components

Thick cold-formed nickel plates for gasketed plate heat exchangers in corrosive process streams. These are plates, not foil, and exceed the thickness limit of 0.15 mm, so they do not fall under tariff item 7506.10.10.

Cold-Formed Nickel Sheet for Architectural Panels

Decorative cold-formed nickel sheets for building facades and interior panels. These are sheets, not foil, and are thicker than 0.15 mm, so they are excluded from tariff item 7506.10.10.

Cold-Formed Nickel Sheet for Medical Implants

Biocompatible cold-formed nickel sheets for orthopedic implants and surgical instruments. These are sheets, not foil, and exceed the thickness limit, so they do not classify under tariff item 7506.10.10.

Cold-Formed Nickel Strip for Fuel Cell Components

Narrow cold-formed nickel strips (0.1-0.5mm thick) for bipolar plates in hydrogen fuel cells. Some strips may be ≤0.15 mm and qualify as foil, but the description includes thicker strips, so this candidate is not exclusively under this item.

Cold-Formed Nickel Strip for Jewelry Findings

Fine cold-formed nickel strip for hypoallergenic jewelry findings, clasps, and links. These are strips, not foil, and likely exceed 0.15 mm thickness, so they do not fall under tariff item 7506.10.10.

Cold-Formed Nickel Strip for Printed Circuit Boards

Precision cold-formed nickel strips for lead frames and connectors in PCB manufacturing. These are strips, not foil, and may exceed 0.15 mm, so they are excluded from tariff item 7506.10.10.

Cold-Formed Nickel Strip for RF Connectors

Cold-rolled nickel strip for high-frequency RF connector contacts. These are strips, not foil, and likely exceed 0.15 mm, so they do not classify under tariff item 7506.10.10.

Cold-Formed Pure Nickel Sheet for Chemical Processing

Cold-rolled nickel sheets (0.5-2mm thick) of 99.9% pure nickel. These are sheets, not foil, and exceed 0.15 mm, so they are excluded from tariff item 7506.10.10.

Cold-Rolled Nickel Sheet for Marine Hardware

Cold-formed 1mm nickel sheets for corrosion-resistant marine fittings. These are sheets, not foil, and exceed 0.15 mm, so they do not fall under tariff item 7506.10.10.

Battery Cathode Nickel Foil 0.08 mm

Ultra-thin 0.08 mm pure nickel foil used as a cathode current collector in lithium-ion batteries. Its non-alloyed composition and thickness below 0.15 mm classify it under this tariff item, which covers other nickel, not alloyed, plates, sheets, strip, and foil.

Medical Grade Nickel Foil 0.09 mm

Biocompatible 0.09 mm pure nickel foil for implantable medical device components like stent substrates. Its non-alloyed composition and thickness under 0.15 mm place it under this tariff item for other nickel, not alloyed, foil.

Nickel Anode Foil 0.12 mm

High-purity nickel foil at 0.12 mm thickness designed for electroplating anodes in industrial plating baths. The non-alloyed nickel composition and thickness below 0.15 mm classify it under this tariff item for other nickel, not alloyed, foil.

Nickel Evaporation Foil 0.11 mm

High-purity 0.11 mm nickel foil for thermal evaporation in thin-film deposition processes. Its non-alloyed composition and thickness under 0.15 mm place it under this tariff item for other nickel, not alloyed, foil.

Nickel Flex Circuit Foil 0.04 mm

Ultra-thin 0.04 mm pure nickel foil laminated substrate for flexible printed circuits in wearables. The non-alloyed composition and thickness below 0.15 mm classify it under this tariff item for other nickel, not alloyed, foil.

Nickel Fuel Cell Foil 0.07 mm

High-purity 0.07 mm nickel foil for PEM fuel cell bipolar plates and current collectors. Its non-alloyed composition and thickness under 0.15 mm place it under this tariff item for other nickel, not alloyed, foil.

Nickel Mesh Foil 0.13 mm

0.13 mm thick pure nickel foil with precision perforations forming fine mesh for filtration applications. The non-alloyed composition and thickness below 0.15 mm classify it under this tariff item for other nickel, not alloyed, foil.

Nickel Packaging Foil 0.02 mm

Food-grade 0.02 mm pure nickel foil for specialty pharmaceutical blister packaging. Its non-alloyed composition and thickness under 0.15 mm place it under this tariff item for other nickel, not alloyed, foil.

Nickel Sensor Foil 0.10 mm

Strain gauge nickel foil 0.10 mm thick for precision sensor manufacturing. The non-alloyed composition and thickness below 0.15 mm classify it under this tariff item for other nickel, not alloyed, foil.

Nickel Shunt Foil 0.14 mm

Precision 0.14 mm thick pure nickel foil used in current shunts for electrical measurement equipment. Its non-alloyed composition and thickness under 0.15 mm place it under this tariff item for other nickel, not alloyed, foil.

Nickel Thermal Spray Foil 0.15 mm

0.15 mm pure nickel foil strips for thermal spray wire feedstock in surface coating applications. The non-alloyed composition and thickness at the 0.15 mm threshold classify it under this tariff item for other nickel, not alloyed, foil.

Nickel Vacuum Foil 0.03 mm

0.03 mm pure nickel foil for vacuum chamber liners and high-vacuum seals. Its non-alloyed composition and thickness under 0.15 mm place it under this tariff item for other nickel, not alloyed, foil.

Pure Nickel Foil 0.10 mm Thick

Ultra-thin pure nickel foil measuring 0.10 mm in thickness, used primarily in electronics for shielding and battery components. The non-alloyed composition and thickness below 0.15 mm classify it under this tariff item for other nickel, not alloyed, foil.

Pure Nickel Gasket Foil 0.06 mm

0.06 mm pure nickel foil cut into custom gasket shapes for high-temperature sealing applications. The non-alloyed composition and thickness below 0.15 mm place it under this tariff item for other nickel, not alloyed, foil.

RF Shielding Nickel Foil 0.05 mm

0.05 mm pure nickel foil for electromagnetic interference (EMI/RF) shielding in consumer electronics housings. Its non-alloyed composition and thickness under 0.15 mm place it under this tariff item for other nickel, not alloyed, foil.

AL-6XN Cold-Formed Strip

AL-6XN is a super-austenitic stainless steel with a high nickel content, supplied as a cold-formed strip. The cold-working process enhances its pitting and crevice corrosion resistance, making it suitable for seawater desalination and offshore platforms. It falls under this tariff item as a worked nickel alloy foil of a thickness not exceeding 0.15 mm.

Alloy 20 Cold-Formed Sheet

Alloy 20 is an austenitic nickel-iron-chromium alloy supplied as a cold-formed sheet. The cold-forming process improves its formability and strength, making it ideal for sulfuric acid handling equipment. It is classified under this item as a worked nickel alloy foil of a thickness not exceeding 0.15 mm.

C-22 Hastelloy Cold-Formed Plate

Hastelloy C-22 is a nickel-chromium-molybdenum alloy supplied as a cold-formed plate. The cold-forming process provides precise thickness control and enhances its resistance to a broad range of chemicals, making it suitable for pollution control scrubbers and pharmaceutical reactors. It falls under this item as a worked nickel alloy foil of a thickness not exceeding 0.15 mm.

Hastelloy C-276 Cold-Formed Plate

Hastelloy C-276 is a nickel-molybdenum-chromium alloy supplied as a cold-formed plate. The cold-forming process enhances its strength and corrosion resistance, making it ideal for extreme environments like flue gas desulfurization systems. It is classified under this item as a worked nickel alloy foil of a thickness not exceeding 0.15 mm.

Incoloy 825 Cold-Formed Foil

Incoloy 825 is a nickel-iron-chromium alloy supplied as a cold-formed foil with a thickness under 0.15 mm. The cold-forming process makes it suitable for heat exchanger fins and chemical processing liners. It falls under this item as a worked nickel alloy foil of a thickness not exceeding 0.15 mm.

Inconel 625 Cold-Formed Sheet

Inconel 625 is a nickel-chromium-molybdenum alloy supplied as a cold-formed sheet. The cold-forming process enhances its high-temperature and corrosion-resistant properties, making it suitable for aerospace and chemical processing applications. It is classified under this item as a worked nickel alloy foil of a thickness not exceeding 0.15 mm.

Inconel X-750 Cold-Formed Strip

Inconel X-750 is a precipitation-hardening nickel alloy supplied as a cold-formed strip. The cold-working process is essential for achieving the required mechanical properties for turbine blades and springs in gas turbines. It falls under this item as a worked nickel alloy foil of a thickness not exceeding 0.15 mm.

Monel 400 Cold-Formed Strip

Monel 400 is a nickel-copper alloy supplied as a cold-formed strip. The cold-forming process enhances its corrosion resistance in seawater, making it suitable for marine engineering and chemical equipment. It is classified under this item as a worked nickel alloy foil of a thickness not exceeding 0.15 mm.

Nickel 200 Cold-Formed Alloy Strip

Nickel 200 is a commercially pure nickel alloy supplied as a cold-formed strip. The cold-working process improves its strength while maintaining its corrosion resistance, making it suitable for food processing equipment and electrical components. It falls under this item as a worked nickel alloy foil of a thickness not exceeding 0.15 mm.

Nickel 201 Cold-Formed Sheet

Nickel 201 is a low-carbon nickel alloy supplied as a cold-formed sheet. The cold-forming process, followed by annealing, provides optimal ductility for caustic handling and electronic components. It is classified under this item as a worked nickel alloy foil of a thickness not exceeding 0.15 mm.

Alloy 20 Nickel Foil 0.14mm

Alloy 20 (Carpenter 20) nickel-iron-chromium foil at 0.14mm thickness, resistant to sulfuric acid and used in pharmaceutical and food processing. This foil is a nickel alloy product under tariff item 7506.20.90 because it is not classified as "unworked" foil of a thickness not exceeding 0.15mm (which would fall under 7506.20.10) and is not otherwise specified.

Alloy X-750 Nickel Foil 0.15mm

Inconel X-750 precipitation-hardening nickel alloy foil at exactly 0.15mm thickness, used for turbine engine parts, springs, and fasteners in aerospace. This product falls under tariff item 7506.20.90 as a nickel alloy foil that is not classified as unworked foil under 0.15mm (since it is exactly 0.15mm) and is not otherwise specified.

C-22 Hastelloy Foil 0.09mm

Hastelloy C-22 nickel alloy foil at 0.09mm thickness, used for flue gas desulfurization and offering superior resistance to pitting and stress corrosion. This foil is a nickel alloy product under tariff item 7506.20.90 because it is not classified as "unworked" foil of a thickness not exceeding 0.15mm (which would fall under 7506.20.10) and is not otherwise specified.

Hastelloy C-276 Nickel Alloy Foil 0.12mm

Hastelloy C-276 nickel-molybdenum-chromium alloy foil at 0.12mm thickness, offering extreme corrosion resistance in harsh chemical environments and used in marine applications. This foil is a nickel alloy product under tariff item 7506.20.90 because it is not classified as "unworked" foil of a thickness not exceeding 0.15mm (which would fall under 7506.20.10) and is not otherwise specified.

Incoloy 800H Nickel Foil 0.11mm

Incoloy 800H high-temperature nickel-iron-chromium foil at 0.11mm thickness, used for furnace components, heat exchangers, and power generation applications. This foil is a nickel alloy product under tariff item 7506.20.90 because it is not classified as "unworked" foil of a thickness not exceeding 0.15mm (which would fall under 7506.20.10) and is not otherwise specified.

Inconel 625 Nickel Alloy Foil 0.10mm

Ultra-thin Inconel 625 nickel-chromium-molybdenum alloy foil at 0.10mm thickness, used for high-temperature and corrosion-resistant applications. This foil is a nickel alloy product under tariff item 7506.20.90 because it is not classified as "unworked" foil of a thickness not exceeding 0.15mm (which would fall under 7506.20.10) and is not otherwise specified.

Monel 400 Nickel-Copper Foil 0.08mm

Monel 400 nickel-copper alloy foil at 0.08mm thickness, prized for seawater corrosion resistance and used in shipbuilding and offshore platforms. This foil is a nickel alloy product under tariff item 7506.20.90 because it is not classified as "unworked" foil of a thickness not exceeding 0.15mm (which would fall under 7506.20.10) and is not otherwise specified.

Nickel 201 Alloy Foil 0.13mm

Nickel 201 (low-carbon pure nickel alloy) foil at 0.13mm thickness, used for electronics shielding (EMI/RFI). This foil is a nickel alloy product under tariff item 7506.20.90 because it is not classified as "unworked" foil of a thickness not exceeding 0.15mm (which would fall under 7506.20.10) and is not otherwise specified.

Ni-Span C Nickel Foil 0.12mm

Ni-Span C controlled-expansion nickel alloy foil at 0.12mm thickness, used for precision instruments, clock movements, and Bourdon tubes. This foil is a nickel alloy product under tariff item 7506.20.90 because it is not classified as "unworked" foil of a thickness not exceeding 0.15mm (which would fall under 7506.20.10) and is not otherwise specified.