Chapter 7218 — Customs Tariff Headings

17-4 PH Precipitation Hardening Stainless Ingots

Precipitation hardening stainless steel ingots (17-4 PH) containing copper and niobium, cast directly from vacuum induction melting. These are primary forms of stainless steel, not further worked, and fall under tariff item 7218.10.00 as ingots of stainless steel.

300 Series Stainless Steel Ingots

Large cast blocks of austenitic stainless steel alloys (e.g., 304 or 316), produced by melting and pouring into molds. These are primary forms of stainless steel, not further worked, and are classified under tariff item 7218.10.00 as ingots.

304 Stainless Steel Billets

Primary cast billets of grade 304 stainless steel, an austenitic alloy containing approximately 18% chromium and 8% nickel. These semi-finished forms are used as input for further hot-working such as extrusion or forging into finished steel products. They are classified under tariff item 7218.10.00 as 'other primary forms' of stainless steel, not yet rolled or shaped into semi-finished products.

316L Stainless Steel Primary Ingots

Low-carbon 316L stainless steel ingots cast for corrosion-resistant applications in marine and chemical industries. These are primary forms of stainless steel, unmachined and without surface treatment, falling under tariff item 7218.10.00.

321 Stainless Steel Ingots

Titanium-stabilized 321 stainless steel ingots for high-temperature exhaust systems. These are primary cast forms of stainless steel, not clad or enameled, and fall under tariff item 7218.10.00 as ingots.

409 Stainless Steel Billets for Exhaust Systems

Primary billets of 409 ferritic stainless steel, an alloy with about 11% chromium and low carbon content, designed for high-temperature resistance in automotive exhaust systems. These are cast forms used as feedstock for subsequent forging or rolling into exhaust components. They are classified under tariff item 7218.10.00 as 'other primary forms' of stainless steel, before any hot-working.

430 Ferritic Stainless Steel Billets

Primary billets of 430 ferritic stainless steel, containing 16-18% chromium and no nickel, used for automotive trim and other decorative applications. These are cast forms intended for subsequent rolling into sheets or bars. They are classified under tariff item 7218.10.00 as 'other primary forms' of stainless steel, not yet worked into semi-finished products.

Duplex 2205 Stainless Steel Primary Forms

Duplex stainless steel (2205 grade) ingots or billets combining austenitic and ferritic phases, used for oil and gas piping. These are unwrought stainless primary products without further working, falling under tariff item 7218.10.00.

High-Purity 304L Stainless Steel Primary Ingots

Ultra-low interstitial 304L stainless steel ingots for semiconductor and pharmaceutical equipment, electroslag remelted for cleanliness. These are pure primary forms of stainless steel, not further worked, and fall under tariff item 7218.10.00.

Martensitic 410 Stainless Steel Ingots

Hardenable 410 martensitic stainless steel ingots with 12% chromium, used for pump shafts and valves. These are primary stainless castings, not further worked, and fall under tariff item 7218.10.00 as ingots.

15-5 PH Stainless Billet 175x115mm

A 15-5 PH stainless steel billet with a rectangular cross-section of 175mm x 115mm, used as semi-finished material for aerospace components. This product is in primary form and has not been further worked beyond initial hot-rolling or forging, qualifying it under tariff item 7218.91.00.

17-4 PH Precipitation Hardening Stainless Billet 280 cm²

A semi-finished rectangular billet of 17-4 PH martensitic precipitation-hardening stainless steel, with a cross-sectional area of 280 cm², exceeding 232 cm². It is used for aerospace forgings. This product is classified under tariff item 7218.91.00 as a semi-finished product of stainless steel, despite the larger cross-section.

17-4 PH Precipitation Hardening Stainless Rectangle

A semi-finished rectangular billet of 17-4 PH martensitic precipitation-hardening stainless steel, with a cross-sectional area under 232 cm² and a width less than four times its thickness. It is used for forging aerospace fasteners and other high-strength components. This product qualifies as a semi-finished product of stainless steel under tariff item 7218.91.00.

17-4 PH Stainless Precipitation Hardening Strip 0.5mm x 180mm

17-4 PH martensitic precipitation-hardening stainless steel hot-rolled strip, measuring 0.5 mm in thickness and 180 mm in width. Despite being described as a strip, its dimensions and semi-finished state place it under tariff item 7218.91.00 as a semi-finished product of stainless steel with a rectangular cross-section.

17-4 PH Stainless Steel Slab 220x160mm

A 17-4 PH stainless steel slab with a rectangular cross-section of 220mm x 160mm, used as feedstock for precision tooling. This semi-finished product is in primary form, not further worked than hot-rolled or forged, and falls under tariff item 7218.91.00.

304 High-Strength Stainless Strip 2.5mm x 600mm

High-strength 304 stainless steel variant, hot-rolled strip measuring 2.5 mm in thickness and 600 mm in width, with a yield strength exceeding 355 MPa. Classified under tariff item 7218.91.00 as a semi-finished product of stainless steel with a rectangular cross-section, intended for structural components.

304L Stainless Steel Billet 160x110mm

A 304L stainless steel billet with a rectangular cross-section of 160mm x 110mm, used for weldable pipe stock. This semi-finished product is in primary form and not further worked, qualifying for tariff item 7218.91.00.

304 Stainless Steel Bloom 200x150mm

A semi-finished 304 stainless steel bloom with a rectangular cross-section of 200mm x 150mm, used as primary feedstock for forging and rolling into bars or plates. This product is in primary form and not further worked, falling under tariff item 7218.91.00.

304 Stainless Steel Hot-Rolled Strip 1mm x 150mm

Hot-rolled strip of 304 stainless steel with a rectangular cross-section, measuring 1 mm in thickness and 150 mm in width. The width-to-thickness ratio exceeds 4, and the product is in a semi-finished state, falling under tariff item 7218.91.00 as a semi-finished product of stainless steel with a rectangular cross-section.

310 Austenitic High-Temp Stainless Rectangle Billet

A hot-rolled rectangular billet of 310 austenitic stainless steel, with a cross-sectional area under 232 cm² and a width less than four times its thickness. It is intended for forging furnace parts and other high-temperature applications. This product is classified as a semi-finished product of stainless steel under tariff item 7218.91.00.

310 Stainless Steel High-Temp Strip 3mm x 750mm

Austenitic 310 stainless steel hot-rolled strip for high-temperature service, measuring 3 mm in thickness and 750 mm in width. This semi-finished product has a rectangular cross-section and falls under tariff item 7218.91.00, suitable for furnace parts and heat exchangers due to its oxidation resistance.

310 Stainless Steel Slab 280x190mm

A 310 stainless steel slab with a rectangular cross-section of 280mm x 190mm, used as stock for furnace parts. This semi-finished product is in primary form and not further worked, qualifying for tariff item 7218.91.00.

316L Stainless Steel Slab 250x180mm

A semi-finished 316L stainless steel slab with a rectangular cross-section of 250mm x 180mm, primarily for hot-rolling into wide plates. This product is in primary form and not further worked, falling under tariff item 7218.91.00.

316L Stainless Steel Strip 0.8mm x 200mm

Hot-rolled 316L stainless steel strip, 0.8 mm in thickness and 200 mm in width, with a rectangular cross-section. This semi-finished product is classified under tariff item 7218.91.00 as a semi-finished product of stainless steel with a rectangular cross-section, ideal for marine applications.

316 Stainless Steel Bloom 210x140mm

A 316 marine-grade stainless steel bloom with a rectangular cross-section of 210mm x 140mm, used for propeller shaft forging. This semi-finished product is in primary form and not further worked, qualifying for tariff item 7218.91.00.

316 Stainless Steel Hot-Rolled Rectangle Slab

A hot-rolled semi-finished slab of molybdenum-bearing 316 stainless steel, with a rectangular cross-section, a width less than four times its thickness, and a cross-sectional area under 232 cm². It is used for forging corrosion-resistant marine hardware. This product falls under tariff item 7218.91.00 as a semi-finished product of stainless steel.

316Ti Stabilized Stainless Strip 1mm x 250mm

316Ti titanium-stabilized stainless steel hot-rolled strip, measuring 1 mm in thickness and 250 mm in width, with a rectangular cross-section. This semi-finished product falls under tariff item 7218.91.00, used for welded fabrications to prevent carbide precipitation in heat-affected zones.

321 Stainless Steel Bloom 300x200mm

A 321 stabilized stainless steel bloom with a rectangular cross-section of 300mm x 200mm, used for high-temperature aerospace forging stock. This semi-finished product is in primary form and not further worked, falling under tariff item 7218.91.00.

321 Stainless Steel Stabilized Strip 1.5mm x 300mm

Titanium-stabilized 321 stainless steel hot-rolled strip, measuring 1.5 mm in thickness and 300 mm in width, with a rectangular cross-section. This semi-finished product is classified under tariff item 7218.91.00, used in high-temperature exhaust and aircraft applications.

347 Stainless Steel Bloom 230x155mm

A 347 stabilized stainless steel bloom with a rectangular cross-section of 230mm x 155mm, used for welded structures. This semi-finished product is in primary form and not further worked, qualifying for tariff item 7218.91.00.

409 Automotive Exhaust Stainless Rectangle Semi

A ferritic 409 stainless steel rectangular semi-finished stock, with a cross-sectional area under 232 cm² and a width less than four times its thickness. It is intended for forging exhaust system mufflers. This product is classified under tariff item 7218.91.00 as a semi-finished product of stainless steel.

409 Stainless Steel Automotive Strip 1.2mm x 1,000mm

Ferritic 409 stainless steel hot-rolled strip optimized for exhaust systems, measuring 1.2 mm in thickness and 1,000 mm in width, with a rectangular cross-section. This semi-finished product is classified under tariff item 7218.91.00, with lower chromium content making it cost-effective for automotive applications.

409 Stainless Steel Rectangular Bloom 240x170mm

A 409 automotive exhaust grade stainless steel bloom with a rectangular cross-section of 240mm x 170mm, used for tube rolling. This semi-finished product is in primary form and not further worked, falling under tariff item 7218.91.00.

420 Stainless Steel Rectangular Slab 190x130mm

A 420 martensitic stainless steel slab with a rectangular cross-section of 190mm x 130mm, used for cutlery and knife stock. This semi-finished product is in primary form and not further worked, qualifying for tariff item 7218.91.00.

430 Ferritic Stainless Rectangle Semi-Finished Bar

A ferritic 430 stainless steel semi-finished bar stock in a rectangular profile, with a cross-sectional area under 232 cm² and a width less than four times its thickness. It is used for forging appliance trim. This product falls under tariff item 7218.91.00 as a semi-finished product of stainless steel.

430 Stainless Steel Rectangular Billet 180x120mm

A 430 ferritic stainless steel billet with a rectangular cross-section of 180mm x 120mm, used for extrusion into structural shapes. This semi-finished product is in primary form and not further worked, falling under tariff item 7218.91.00.

431 Stainless Steel Slab 200x135mm

A 431 martensitic stainless steel slab with a rectangular cross-section of 200mm x 135mm, used for shafts. This semi-finished product is in primary form and not further worked, qualifying for tariff item 7218.91.00.

904L Stainless Steel Billet 270x185mm

A super-austenitic 904L stainless steel billet with a rectangular cross-section of 270mm x 185mm, used for chemical processing equipment. This semi-finished product is in primary form and not further worked, falling under tariff item 7218.91.00.

AISI 304L Stainless Steel Rectangle Billet

A semi-finished rectangular billet of AISI 304L low-carbon austenitic stainless steel, with a cross-sectional area under 232 cm² and a width less than four times its thickness. It is used for hot forging automotive components. This product is classified under tariff item 7218.91.00 as a semi-finished product of stainless steel.

AISI 316Ti Stabilized Rectangle Stainless Bloom

A titanium-stabilized 316Ti stainless steel rectangle bloom, with a cross-sectional area under 232 cm² and a width less than four times its thickness. It is used for forging chemical processing valves. This product falls under tariff item 7218.91.00 as a semi-finished product of stainless steel.

AISI 321 Stainless Stabilized Rectangle Billet

A titanium-stabilized AISI 321 stainless steel rectangular billet, with a cross-sectional area under 232 cm² and a width less than four times its thickness. It is intended for forging high-temperature exhaust manifolds. This product is classified under tariff item 7218.91.00 as a semi-finished product of stainless steel.

Duplex 2205 Stainless Billet 150x100mm

A duplex 2205 stainless steel billet with a rectangular cross-section of 150mm x 100mm, corrosion-resistant for offshore piping feedstock. This semi-finished product is in primary form and not further worked, qualifying for tariff item 7218.91.00.

Duplex 2205 Stainless Rectangle Bloom

A duplex 2205 stainless steel bloom in a rectangular cross-section, with a cross-sectional area under 232 cm² and a width less than four times its thickness. It offers high strength for oil and gas valve components. This product falls under tariff item 7218.91.00 as a semi-finished product of stainless steel.

Duplex 2205 Stainless Steel Billet 300 cm²

A duplex 2205 (UNS S31803) stainless steel rectangular billet with a cross-sectional area of 300 cm², exceeding 232 cm². It is intended for offshore platform components. This product falls under tariff item 7218.91.00 as a semi-finished product of stainless steel.

Monel 400 Nickel-Stainless Rectangle Semi-Finished

A rectangular semi-finished product of Monel 400, a nickel-copper alloy treated as stainless steel for classification purposes, with a cross-sectional area under 232 cm² and a width less than four times its thickness. It is used for marine propeller shafts. This product is classified under tariff item 7218.91.00 as a semi-finished product of stainless steel.

Super Duplex 2507 Stainless Billet 260 cm²

A super duplex 2507 (25Cr-7Ni) stainless steel rectangular billet with a cross-sectional area of 260 cm², exceeding 232 cm². It is used for chemical processing equipment. This product is classified under tariff item 7218.91.00 as a semi-finished product of stainless steel.

Type 304 Stainless Steel Rectangle Billet 250 cm²

A semi-finished rectangular billet of Type 304 austenitic stainless steel with a cross-sectional area of 250 cm², exceeding 232 cm², and a width less than four times its thickness. It is used for hot forging into structural components. This product falls under tariff item 7218.91.00 as a semi-finished product of stainless steel.

Type 310 Stainless Steel Rectangle Bloom 235 cm²

A high-temperature Type 310 stainless steel rectangular bloom with a cross-sectional area of 235 cm², exceeding 232 cm². It is intended for furnace parts production. This product is classified under tariff item 7218.91.00 as a semi-finished product of stainless steel.

Type 316L Stainless Steel Hot-Rolled Slab 240 cm²

Hot-rolled rectangular slab of low-carbon Type 316L stainless steel with a cross-section of 240 cm², intended for further forging into marine-grade fittings. Classified under tariff item 7218.91.00 as a semi-finished product of stainless steel with a rectangular (other than square) cross-section.

Type 321 Stainless Steel Stabilized Rectangle Slab 245 cm²

Titanium-stabilized Type 321 stainless steel rectangular slab with a cross-section of 245 cm², used for welded exhaust systems. This semi-finished product meets the definition of stainless steel per Chapter 72 notes and has a rectangular cross-section, falling under tariff item 7218.91.00.

15-5 PH Stainless Steel Round 28mm Diameter

A 15-5 PH precipitation hardening stainless steel round with a diameter of 28 mm (cross-sectional area ~61.6 cm²), used for landing gear and rocket cases. This grade offers an excellent combination of strength and toughness. It is classified under tariff item 7218.99.00 as an 'other' semi-finished product of stainless steel.

15-5 PH Stainless Steel Square Stock 500 cm²

15-5 PH precipitation hardening stainless steel square stock with a cross-sectional area of 500 cm², designed for landing gear forgings. This large semi-finished product offers superior strength-to-weight ratio and corrosion resistance. Classified under tariff item 7218.99.00 as other semi-finished stainless steel products.

17-4 PH Precipitation Hardening Stainless Square Stock

A 17-4 PH precipitation hardening stainless steel square semi-finished stock, with a cross-sectional area under 232 cm², is a semi-finished product of stainless steel. It has not been further worked than primary hot-rolling, so it falls under this 'Other' tariff item.

17-4 PH Stainless Steel Round Bar 20mm Diameter

A 17-4 PH stainless steel round semi-finished product with a diameter of 20 mm (cross-sectional area ~31 cm²), used for aerospace and medical components requiring high strength. This precipitation hardening grade offers excellent mechanical properties. It is classified under tariff item 7218.99.00 as an 'other' semi-finished product of stainless steel.

17-4 PH Stainless Steel Round Billet

A 17-4 PH stainless steel round billet, 150mm in diameter, is a semi-finished product of stainless steel. It is not in ingot form and has not been further worked than primary hot-rolling, placing it under this tariff item as 'Other' semi-finished stainless steel.

17-4 PH Stainless Steel Square Slab 232 cm²

17-4 PH precipitation-hardening stainless steel square slab with a cross-sectional area of 232 cm², designed for aerospace turbine components. This semi-finished product offers high strength and corrosion resistance. Classified under tariff item 7218.99.00 as other semi-finished stainless steel products.

304 Stainless Steel Square Bloom 250 cm²

Semi-finished 304 stainless steel bloom with a square cross-section of 250 cm², primarily for rolling into heavy plates or structural sections in construction. This austenitic stainless steel offers excellent formability and corrosion resistance. Classified under tariff item 7218.99.00 as other semi-finished stainless steel products.

310 Stainless Steel Round Billet 45mm Diameter

A 310 stainless steel round billet with a diameter of 45 mm (cross-sectional area ~159 cm²), used for furnace parts and heat exchangers. This high-temperature grade offers excellent oxidation resistance. It is classified under tariff item 7218.99.00 as an 'other' semi-finished product of stainless steel.

310 Stainless Steel Square Billet 400 cm²

High-temperature 310 stainless steel square billet with a 400 cm² cross-section, designed for furnace parts and heat exchangers. This semi-finished product offers excellent oxidation resistance at elevated temperatures. Classified under tariff item 7218.99.00 as other semi-finished stainless steel products.