United States tariff, chapter 73: Articles of iron or steel
Last updated
Key facts
- National lines
- 573
- Subheadings
- 124
- Tariff
- United States
- Chapter
- 73: Articles of iron or steel
Summary
The United States tariff has 573 national lines in HS chapter 73 (articles of iron or steel), under 124 subheadings in 26 headings.
Subheadings with United States lines
The United States tariff has 573 national lines in HS chapter 73 (articles of iron or steel), under 124 subheadings in 26 headings.
Subheadings 1 to 100 of 124, page 1 of 2.
73.01 Sheet piling of iron or steel, whether or not drilled, punched or made from assembled elements; welded angles, shapes and sections, of iron or steel
73.02 Railway or tramway track construction material of iron or steel, the following: rails, check-rails and rack rails, switch blades, crossing frogs, point rods and other crossing pieces, sleepers (cross-ties), fish-plates, chairs, chair wedges, sole plates (base plates), rail clips, bedplates, ties and other material specialized for jointing or fixing rails
73.03 Tubes, pipes and hollow profiles, of cast iron
- 7303.00Tubes, pipes and hollow profiles, of cast iron3 lines
73.04 Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel
- 7304.11Line pipe of a kind used for oil or gas pipelines: Of stainless steel3 lines
- 7304.19Line pipe of a kind used for oil or gas pipelines: Other8 lines
- 7304.22Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: Drill pipe of stainless steel3 lines
- 7304.23Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: Other drill pipe4 lines
- 7304.24Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: Other, of stainless steel18 lines
- 7304.29Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: Other38 lines
- 7304.31Other, of circular cross-section, of iron or non-alloy steel: Cold-drawn or cold-rolled (cold-reduced)3 lines
- 7304.39Other, of circular cross-section, of iron or non-alloy steel: Other20 lines
- 7304.41Other, of circular cross-section, of stainless steel: Cold-drawn or cold-rolled (cold-reduced)6 lines
- 7304.49Other, of circular cross-section, of stainless steel: Other4 lines
- 7304.51Other, of circular cross-section, of other alloy steel: Cold-drawn or cold-rolled (cold-reduced)5 lines
- 7304.59Other, of circular cross-section, of other alloy steel: Other23 lines
- 7304.90Other4 lines
73.05 Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross sections, the external diameter of which exceeds 406.4 mm, of iron or steel
- 7305.11Line pipe of a kind used for oil or gas pipelines: Longitudinally submerged arc welded3 lines
- 7305.12Line pipe of a kind used for oil or gas pipelines: Other, longitudinally welded3 lines
- 7305.19Line pipe of a kind used for oil or gas pipelines: Other3 lines
- 7305.20Casing of a kind used in drilling for oil or gas4 lines
- 7305.31Other, welded: Longitudinally welded4 lines
- 7305.39Other, welded: Other2 lines
- 7305.90Other2 lines
73.06 Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel
- 7306.11Line pipe of a kind used for oil or gas pipelines: Welded, of stainless steel2 lines
- 7306.19Line pipe of a kind used for oil or gas pipelines: Other4 lines
- 7306.21Casing and tubing of a kind used in drilling for oil or gas: Welded, of stainless steel4 lines
- 7306.29Casing and tubing of a kind used in drilling for oil or gas: Other9 lines
- 7306.30Other, welded, of circular cross-section, of iron or non-alloy steel18 lines
- 7306.40Other, welded, of circular cross-section, of stainless steel13 lines
- 7306.50Other, welded, of circular cross-section, of other alloy steel6 lines
- 7306.61Other, welded, of non-circular cross-section: Of square or rectangular cross-section5 lines
- 7306.69Other, welded, of non-circular cross-section: Of other non-circular cross-section5 lines
- 7306.90Other2 lines
73.07 Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel
- 7307.11Cast fittings: Of non-malleable cast iron3 lines
- 7307.19Cast fittings: Other8 lines
- 7307.21Other, of stainless steel: Flanges2 lines
- 7307.22Other, of stainless steel: Threaded elbows, bends and sleeves2 lines
- 7307.23Other, of stainless steel: Butt welding fittings2 lines
- 7307.29Other, of stainless steel: Other2 lines
- 7307.91Other: Flanges6 lines
- 7307.92Other: Threaded elbows, bends and sleeves3 lines
- 7307.93Other: Butt welding fittings6 lines
- 7307.99Other: Other5 lines
73.08 Structures (excluding prefabricated buildings of heading 9406) and parts of structures (for example, bridges and bridge sections, lock gates, towers, lattice masts, roofs, roofing frameworks, doors and windows and their frames and thresholds for doors, shutters, balustrades, pillars and columns) of iron or steel; plates, rods, angles, shapes, sections, tubes and the like, prepared for use in structures, of iron or steel
73.09 Reservoirs, tanks, vats and similar containers for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300l, whether or not lined or heat-insulated, but not fitted with mechanical or thermal equipment
- 7309.00Reservoirs, tanks, vats and similar containers for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300l, whether or not lined or heat-insulated, but not fitted with mechanical or thermal equipment2 lines
73.10 Tanks, casks, drums, cans, boxes and similar containers, for any material (other than compressed or liquefied gas), of iron or steel, of a capacity not exceeding 300 liters, whether or not lined or heat insulated, but not fitted with mechanical or thermal equipment
73.11 Containers for compressed or liquefied gas, of iron or steel
- 7311.00Containers for compressed or liquefied gas, of iron or steel3 lines
73.12 Stranded wire, ropes, cables, plaited bands, slings and the like, of iron or steel, not electrically insulated
73.13 Barbed wire of iron or steel; twisted hoop or single flat wire, barbed or not, and loosely twisted double wire, of a kind used for fencing, of iron or steel
- 7313.00Barbed wire of iron or steel; twisted hoop or single flat wire, barbed or not, and loosely twisted double wire, of a kind used for fencing, of iron or steel1 line
73.14 Cloth (including endless bands), grill, netting and fencing, of iron or steel wire; expanded metal of iron or steel
- 7314.12Woven cloth: Endless bands for machinery, of stainless steel5 lines
- 7314.14Woven cloth: Other woven cloth, of stainless steel5 lines
- 7314.19Woven cloth: Other1 line
- 7314.20Grill, netting and fencing, welded at the intersection, of wire with a maximum cross-sectional dimension of 3mm or more and having a mesh size of 100 cm² or more1 line
- 7314.31Other grill, netting and fencing, welded at the intersection: Plated or coated with zinc3 lines
- 7314.39Other grill, netting and fencing, welded at the intersection: Other1 line
- 7314.41Other cloth, grill, netting and fencing: Plated or coated with zinc4 lines
- 7314.42Other cloth, grill, netting and fencing: Coated with plastics2 lines
- 7314.49Other cloth, grill, netting and fencing: Other2 lines
- 7314.50Expanded metal1 line
73.15 Chain and parts thereof, of iron or steel
- 7315.11Articulated link chain and parts thereof: Roller chain4 lines
- 7315.12Articulated link chain and parts thereof: Other chain4 lines
- 7315.19Articulated link chain and parts thereof: Parts1 line
- 7315.20Skid chain2 lines
- 7315.81Other chain: Stud-link1 line
- 7315.82Other chain: Other, welded link4 lines
- 7315.89Other chain: Other3 lines
- 7315.90Other parts1 line
73.16 Anchors, grapnels and parts thereof, of iron or steel
- 7316.00Anchors, grapnels and parts thereof, of iron or steel1 line
73.17 Nails, tacks, drawing pins, corrugated nails, staples (other than those of heading 83.05) and similar articles, of iron or steel, whether or not with heads of other material, but excluding such articles with heads of copper
- 7317.00Nails, tacks, drawing pins, corrugated nails, staples (other than those of heading 83.05) and similar articles, of iron or steel, whether or not with heads of other material, but excluding such articles with heads of copper23 lines
73.18 Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel
- 7318.11Threaded articles: Coach screws1 line
- 7318.12Threaded articles: Other wood screws1 line
- 7318.13Threaded articles: Screw hooks and screw rings2 lines
- 7318.14Threaded articles: Self-tapping screws4 lines
- 7318.15Threaded articles: Other screws and bolts, whether or not with their nuts or washers28 lines
- 7318.16Threaded articles: Nuts5 lines
- 7318.19Threaded articles: Other1 line
- 7318.21Non-threaded articles: Spring washers and other lock washers2 lines
- 7318.22Non-threaded articles: Other washers1 line
- 7318.23Non-threaded articles: Rivets1 line
- 7318.24Non-threaded articles: Cotters and cotter-pins1 line
- 7318.29Non-threaded articles: Other1 line
73.19 Sewing needles, knitting needles, bodkins, crochet hooks, embroidery stilettos and similar articles for use in the hand, of iron or steel; safety pins and other pins of iron or steel, not elsewhere specified or included
73.20 Springs and leaves for springs, of iron or steel
73.21 Stoves, ranges, grates, cookers (including those with subsidiary boilers for central heating), barbecues, braziers, gas rings, plate warmers and similar nonelectric domestic appliances, and parts thereof, of iron or steel
In other countries
No other national tariff on border.bot has live lines under chapter 73 yet.
Frequently asked questions
How many national tariff lines does the United States tariff have in HS chapter 73?
The United States tariff has 573 national lines in HS chapter 73 (articles of iron or steel), under 124 subheadings in 26 headings.
Sources and updates
The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
This page was last updated on 9 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.
Official source files: