Chapter 7224 — Customs Tariff Headings
Products classified under Tariff item 72.24
15-5 PH Stainless Steel Ingot
15-5 PH stainless steel ingot, a martensitic precipitation-hardening alloy containing approximately 15% chromium and 5% nickel, used for valve stems and fittings. This primary form falls under tariff item 7224.10.00 as other alloy steel in ingots or other primary forms.
7224.10.0017-4 PH Precipitation Hardening Stainless Ingot
Large ingots of 17-4 PH martensitic precipitation-hardening stainless steel, containing approximately 17% chromium and 4% nickel, used for aerospace components. These ingots are classified under tariff item 7224.10.00 as other alloy steel in primary forms.
7224.10.0017-4PH Precipitation Hardening Stainless Steel Ingots
Ingots of 17-4PH precipitation hardening stainless steel, produced by argon-oxygen decarburization, intended for subsequent forging or rolling into valve and pump components. Although the chromium content exceeds 10.5%, the definition of stainless steel in Chapter Note 1(e) is met, but as primary forms, they fall under heading 72.24 for other alloy steel in ingots.
7224.10.0034CrNiMo6 Alloy Steel Ingot
34CrNiMo6 alloy steel ingots, an EN 10083 quenched and tempered steel with chromium, nickel, and molybdenum additions, used for heavy shafting. These ingots are classified under tariff item 7224.10.00 as other alloy steel in primary forms.
7224.10.0052100 Ball Bearing Tool Steel Ingot
52100 ball bearing tool steel ingots are high-carbon chromium steel primary forms used for bearing components. They are classified as ingots and other primary forms of other alloy steel under tariff item 7224.10.00.
7224.10.00A2 Tool Steel Primary Billet
A2 tool steel primary billets are air-hardening tool steel forms containing carbon and chromium, supplied for forging into punches and shear blades. They are classified as ingots and other primary forms of other alloy steel under tariff item 7224.10.00.
7224.10.00Aermet 100 Ultra-High Strength Ingot
Aermet 100 ultra-high strength steel ingots, a nickel-cobalt alloy used for aerospace landing gear components. These ingots are classified under tariff item 7224.10.00 as other alloy steel in primary forms, given their extreme strength properties.
7224.10.00AISI 4130 Seamless Pipe Alloy Steel Ingots
Primary casting ingots of AISI 4130 chromium-molybdenum alloy steel, optimized for subsequent piercing into seamless tubing for oilfield and aircraft exhaust applications. These unwrought forms are classified under heading 72.24 as ingots of other alloy steel, before any further processing.
7224.10.00AISI 4140 Alloy Steel Ingot
AISI 4140 chromium-molybdenum alloy steel ingots, weighing 500 kg each, used as primary forms for forging into shafts and gears. These ingots are classified under tariff item 7224.10.00 as other alloy steel in primary forms.
7224.10.00AISI 4140 Alloy Steel Ingots
Cylindrical ingots of AISI 4140 chromium-molybdenum alloy steel, produced via electric arc furnace melting for further processing into bars or forgings. As unwrought primary forms, they are classified under heading 72.24 as ingots of other alloy steel.
7224.10.00AISI 4340 Alloy Steel Primary Electrode
Primary form electrodes of AISI 4340 nickel-chromium-molybdenum alloy steel, used for electroslag remelting. These electrodes are classified under tariff item 7224.10.00 as other alloy steel in primary forms, prior to remelting into ingots.
7224.10.00AISI 4340 Nickel-Chromium-Molybdenum Steel Ingots
Large remelted ingots of AISI 4340 low-alloy steel, containing nickel, chromium, and molybdenum, intended for aerospace and automotive forgings. These primary forms do not qualify as tool steel or stainless steel and are classified under heading 72.24 as ingots of other alloy steel.
7224.10.00AISI 52100 Ball Bearing Steel Ingot
Primary ingots of AISI 52100 high-carbon chromium bearing steel, before electroslag refining. These ingots are classified under tariff item 7224.10.00 as other alloy steel in primary forms, despite the high carbon content.
7224.10.00AISI 52100 Bearing Quality Alloy Steel Ingots
ESR-processed ingots of AISI 52100 high-carbon chromium alloy steel, intended for roller bearing production. Although the steel may meet the definition of ball-bearing steel, in primary ingot form it is classified under heading 72.24 as other alloy steel, prior to blooming or further working.
7224.10.00AISI 8620 Carburizing Alloy Steel Ingot
Ingots of AISI 8620 low-alloy case-hardening steel, containing nickel, chromium, and molybdenum, used for gears and pinions. These ingots are classified under tariff item 7224.10.00 as other alloy steel in primary forms.
7224.10.00AISI 8620 Carburizing Steel Ingots
Primary ingots of AISI 8620 low-alloy case-hardening steel, with nickel, chromium, and molybdenum additions, intended for gear and shaft production. These unwrought forms are classified under heading 72.24 as ingots of other alloy steel, before hot-rolling or forging.
7224.10.00AISI 9310 Aerospace Grade Alloy Steel Ingots
Vacuum-remelted ingots of AISI 9310 nitriding steel, alloyed with nickel, chromium, and molybdenum, intended for aircraft gears and bearings. These primary forms of other alloy steel are classified under heading 72.24, as they do not meet the definitions of stainless or tool steel.
7224.10.00AISI 9310 Alloy Steel Electrode Bar
Consumable electrode bars of AISI 9310 aircraft-quality alloy steel, in primary form for vacuum arc remelting. These electrodes are classified under tariff item 7224.10.00 as other alloy steel in primary forms, with nickel-chromium additions.
7224.10.00Alloy 20 Ingots
Alloy 20 ingots (Carpenter 20) with 32-38% nickel, intended for sulfuric acid handling in chemical plants. These primary forms of high-nickel alloy steel are classified under heading 72.24 as ingots of other alloy steel, not stainless.
7224.10.00Chipper Knife Tool Steel Ingot
Chipper knife tool steel ingots are primary forms of alloy steel with specific carbon, chromium, and molybdenum content for wood chipper knives. They are classified as ingots and other primary forms of other alloy steel under tariff item 7224.10.00.
7224.10.00CPM 10V Powder Metallurgy Tool Steel Ingot
CPM 10V powder metallurgy tool steel ingots are primary forms with high vanadium for wear resistance, produced via powder metallurgy. They are classified as ingots and other primary forms of other alloy steel under tariff item 7224.10.00.
7224.10.00Custom 465 High-Nickel Ingot
Custom 465 ingots with high nickel content, intended for premium fasteners in aerospace applications. These primary forms of high-nickel alloy steel are classified under heading 72.24 as ingots of other alloy steel.
7224.10.00Custom 465 Stainless Steel Primary Electrode
Primary electrodes of Custom 465 martensitic age-hardenable stainless steel, containing 12% chromium with nickel and copper additions, used for precision instruments. These electrodes are classified under tariff item 7224.10.00 as other alloy steel in primary forms.
7224.10.00D2 Tool Steel Ingot
D2 tool steel ingots are high-carbon, high-chromium alloy steel primary forms for remelting and forging into cutting tools. They are classified as ingots and other primary forms of other alloy steel under tariff item 7224.10.00.
7224.10.00EN24 Chromium-Molybdenum Alloy Steel Ingots
Heavy forging ingots of EN24 grade alloy steel (equivalent to 45NiCrMo4), intended for high-stress components like crankshafts. These primary forms of other alloy steel are classified under heading 72.24, excluding defined specialty steels such as stainless or tool steel.
7224.10.00EPAR High-Nickel Primary Form
EPAR (Electroslag Plus Arc Remelt) high-nickel ingots, intended for premium turbine blades. Despite the special melting process, these primary forms are classified under heading 72.24 as ingots of other alloy steel.
7224.10.00H13 Hot Work Tool Steel Billet
H13 hot work tool steel billets are primary forms of alloy steel for die casting and extrusion dies, containing carbon and chromium. They are classified as ingots and other primary forms of other alloy steel under tariff item 7224.10.00.
7224.10.00Hastelloy C-276 Ingots
Hastelloy C-276 ingots, consisting of over 50% nickel with molybdenum and chromium, intended for corrosion-resistant applications in marine and pollution control environments. These primary forms of high-nickel alloy steel are classified under heading 72.24.
7224.10.00HY-80 High-Yield Submarine Steel Ingots
Quenched and tempered alloy steel ingots meeting HY-80 specification for naval pressure hulls, with nickel, chromium, molybdenum, and copper additions. These primary forms of other alloy steel are classified under heading 72.24 for defense applications.
7224.10.00Incoloy 825 Ingots
Incoloy 825 ingots with 38-46% nickel, chromium, and molybdenum, intended for oil and gas downhole applications. These primary forms of high-nickel alloy steel are classified under heading 72.24 as ingots of other alloy steel.
7224.10.00Inconel 625 Ingots
Inconel 625 ingots are primary forms of a high-nickel alloy steel containing over 58% nickel with significant chromium and molybdenum, used in aerospace and chemical processing applications. They are classified as ingots and other primary forms of other alloy steel under tariff item 7224.10.00.
7224.10.00M2 High-Speed Tool Steel Billet
M2 high-speed tool steel billets are primary forms of alloy steel containing tungsten and molybdenum for cutting tools. They are classified as ingots and other primary forms of other alloy steel under tariff item 7224.10.00.
7224.10.00Maraging C250 Nickel Alloy Steel Ingots
Vacuum induction melted ingots of Maraging C250 ultrahigh-strength steel with 18% nickel, intended for rocket motor casings. Despite the high nickel content, these primary forms are classified under heading 72.24 as other alloy steel, distinguished from stainless by processing and composition.
7224.10.00Monel 400 Primary Electrode
Monel 400 primary electrodes are ingot-like forms of a 67% nickel-copper alloy used for welding consumables in marine applications. They are classified as primary forms of other alloy steel under tariff item 7224.10.00.
7224.10.00Nimonic 80A Ingots
Nimonic 80A ingots are high-nickel superalloy primary forms containing titanium and aluminum for high-temperature gas turbine components. They are classified as ingots and other primary forms of other alloy steel under tariff item 7224.10.00.
7224.10.00O1 Oil-Hardening Tool Steel Ingot
O1 oil-hardening tool steel ingots are primary forms of alloy steel with carbon and manganese for making drills, taps, and knurling tools. They are classified as ingots and other primary forms of other alloy steel under tariff item 7224.10.00.
7224.10.00P20 Modified Tool Steel Primary Form
P20 modified tool steel primary ingots are alloy steel forms for plastic injection molds, with alloy additions meeting tool steel criteria. They are classified as ingots and other primary forms of other alloy steel under tariff item 7224.10.00.
7224.10.00Rene 41 Ingots
Rene 41 ingots are precipitation-hardening nickel-based superalloy primary forms used for jet engine hot sections. They are classified as ingots and other primary forms of other alloy steel under tariff item 7224.10.00.
7224.10.00S7 Shock-Resisting Tool Steel Ingot
S7 shock-resisting tool steel ingots are primary forms of alloy steel with chromium and molybdenum for shock resistance, used for punches and chisels. They are classified as ingots and other primary forms of other alloy steel under tariff item 7224.10.00.
7224.10.00Waspaloy Primary Slabs
Waspaloy primary slabs are high-nickel alloy steel forms with age-hardening elements for aircraft engine disks. They are classified as ingots and other primary forms of other alloy steel under tariff item 7224.10.00.
7224.90.0015CrMoG Boiler Tube Billet
15CrMoG low-alloy steel billets, a chromium-molybdenum grade per Chinese standard, are semi-finished products of other alloy steel. They are intended for further processing into high-pressure boiler tubes and are not yet in the form of finished tubes or pipes.
7224.90.001.6582 (18NiCrMo5) Alloy Steel Bloom
DIN 1.6582 (18NiCrMo5) alloy steel blooms are semi-finished products of case-hardening nickel-chromium-molybdenum steel. They are supplied in bloom form for subsequent rolling or forging into automotive transmission components.
7224.90.0034CrNiMo6 Gear Steel Billet
EN 34CrNiMo6 alloy steel billets are semi-finished products of nickel-chromium-molybdenum case-hardening steel. They are used for large gears and crankshafts and are supplied in billet form before further hot-working.
7224.90.00A2 Tool Steel Rectangle Slab
A2 tool steel rectangle slab, a semi-finished product of other alloy steel, with a rectangular cross-section where the width exceeds four times the thickness. It is air-hardening and used for shear blades and punches. This product falls under tariff item 7224.90.00 as it is a semi-finished product of other alloy steel, not further worked than hot-rolled or forged.
7224.90.00A2 Tool Steel Square Billet
A2 tool steel square billet is a semi-finished product with a square cross-section, width/thickness ratio under 4:1, primarily for forging into punches and shear blades. It is classified under tariff item 7224.90.00 as other alloy steel semi-finished products, given its tool steel composition.
7224.90.00AISI 316 Modified Alloy Billet
Modified AISI 316 alloy steel billets, with a chromium content below 10.5%, do not meet the definition of stainless steel. They are semi-finished products of other alloy steel, intended for pressure vessel applications.
7224.90.00AISI 4130 Seamless Pipe Billet
AISI 4130 chromoly steel billets are semi-finished products of chromium-molybdenum alloy steel, specifically produced for piercing into seamless tubing. They are in primary form, not yet worked into tubes or pipes.
7224.90.00AISI 4140 Alloy Steel Round Billet
AISI 4140 chromium-molybdenum alloy steel round billets are semi-finished products used for forging shafts and gears. They are supplied in round form with diameters typically 100-300mm and are not further worked than primary hot-rolling.
7224.90.00AISI 4340 Chromium-Molybdenum Steel Slab
AISI 4340 alloy steel slabs are semi-finished products of nickel-chromium-molybdenum steel, used for aerospace forgings and high-stress components. They are rectangular in form, typically 200-400mm thick, and not further worked than primary hot-rolling.
7224.90.00AISI 52100 Bearing Steel Bloom
AISI 52100 high-carbon chromium alloy steel blooms are semi-finished products used for roller bearings. They do not meet the specific composition of ball-bearing steel as defined in the chapter notes, and are classified as other alloy steel.
7224.90.00AISI 8620 Case-Hardening Steel Billet
AISI 8620 carburizing steel billets are semi-finished products of nickel-chromium-molybdenum low-alloy steel. They are used for gears and pinions and are supplied in billet form before further processing.
7224.90.00AISI 8630 Low Alloy Billet
AISI 8630 low-alloy steel billets are semi-finished products of nickel-chromium-molybdenum steel, used for weldable structures and pipes. They are in billet form, not yet worked into finished products.
7224.90.00AISI 9310 Aircraft Gear Steel Billet
AISI 9310 nickel-chromium-molybdenum alloy steel billets are semi-finished products for nitrided aircraft gears and bearings. They are supplied in billet form and do not meet the specific ball-bearing steel composition.
7224.90.00Alloy 20 Bloom
Alloy 20 bloom is a high-nickel (32-38%) austenitic stainless steel semi-finished product, supplied in bloom form for further processing into sulfuric acid handling equipment. It falls under tariff item 7224.90.00 as other alloy steel in primary forms or semi-finished products, given its high nickel content and use as a precursor for chemical industry components.
7224.90.00CPM-10V Tool Steel Slab
CPM-10V tool steel slab, a particle metallurgy tool steel with a rectangular cross-section where width exceeds four times thickness. It offers exceptional wear resistance for dies and is a semi-finished product of other alloy steel. This product is classified under tariff item 7224.90.00 as other semi-finished products of other alloy steel.
7224.90.00CPM-M4 Tool Steel Rectangular Stock
CPM-M4 tool steel rectangular stock is a powder metallurgy tool steel in semi-finished form, with width less than four times thickness, for wear-resistant parts. It falls under tariff item 7224.90.00 as other alloy steel semi-finished products, given its high alloy content.
7224.90.00Crucible CPM-M4 Flat Tool Steel
Crucible CPM-M4 flat tool steel, a powder metal high-vanadium tool steel with a rectangular cross-section where width is at least four times thickness. It is used for severe wear applications and is a semi-finished product of other alloy steel. This product falls under tariff item 7224.90.00 as other semi-finished products of other alloy steel.
7224.90.00D2 Tool Steel Flat Bar
D2 tool steel flat bar, a rectangular cross-section flat bar made from high-carbon, high-chromium alloy steel with a width at least four times the thickness. It is used for cutting tools and dies and is a semi-finished product of other alloy steel. This product is classified under tariff item 7224.90.00 as other semi-finished products of other alloy steel.
7224.90.00D2 Tool Steel Rectangular Bar
D2 tool steel rectangular bar is a semi-finished product with a rectangular cross-section, width less than four times thickness, used for making cutting tools and dies. It is classified under tariff item 7224.90.00 as other alloy steel semi-finished products, given its high-carbon, high-chromium tool steel composition.
7224.90.00ELGILOY High-Nickel Wire Bloom
ELGILOY high-nickel wire bloom is a cobalt-nickel alloy semi-finished product with approximately 40% nickel, used as a precursor for drawing into fine spring wire for medical devices. It is classified under tariff item 7224.90.00 as other alloy steel in semi-finished form, given its rectangular cross-section and high-nickel composition.