# United States tariff, chapter 73: Articles of iron or steel (page 1 of 2)

> The United States tariff has 573 national lines in HS chapter 73 (articles of iron or steel), under 124 subheadings in 26 headings. Page 1 of 2.

Source: https://border.bot/countries/united-states/hs-codes/73
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 73](https://border.bot/countries/united-states/hs-codes/73)

Page 1 of 2: subheadings 1 to 100 of 124. Next page: [page 2](https://border.bot/countries/united-states/hs-codes/73?page=2).

## Key facts

- National lines: 573
- Subheadings: 124
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 73: Articles of iron or steel

## 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.

### 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

- [7301.10](https://border.bot/countries/united-states/hs-codes/730110) Sheet piling (1 line)
- [7301.20](https://border.bot/countries/united-states/hs-codes/730120) Angles, shapes and sections (2 lines)

### 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

- [7302.10](https://border.bot/countries/united-states/hs-codes/730210) Rails (11 lines)
- [7302.30](https://border.bot/countries/united-states/hs-codes/730230) Switch blades, crossing frogs, point rods and other crossing pieces (1 line)
- [7302.40](https://border.bot/countries/united-states/hs-codes/730240) Fish-plates and sole plates (1 line)
- [7302.90](https://border.bot/countries/united-states/hs-codes/730290) Other (2 lines)

### 73.03 Tubes, pipes and hollow profiles, of cast iron

- [7303.00](https://border.bot/countries/united-states/hs-codes/730300) Tubes, pipes and hollow profiles, of cast iron (3 lines)

### 73.04 Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel

- [7304.11](https://border.bot/countries/united-states/hs-codes/730411) Line pipe of a kind used for oil or gas pipelines: Of stainless steel (3 lines)
- [7304.19](https://border.bot/countries/united-states/hs-codes/730419) Line pipe of a kind used for oil or gas pipelines: Other (8 lines)
- [7304.22](https://border.bot/countries/united-states/hs-codes/730422) Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: Drill pipe of stainless steel (3 lines)
- [7304.23](https://border.bot/countries/united-states/hs-codes/730423) Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: Other drill pipe (4 lines)
- [7304.24](https://border.bot/countries/united-states/hs-codes/730424) Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: Other, of stainless steel (18 lines)
- [7304.29](https://border.bot/countries/united-states/hs-codes/730429) Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: Other (38 lines)
- [7304.31](https://border.bot/countries/united-states/hs-codes/730431) Other, of circular cross-section, of iron or non-alloy steel: Cold-drawn or cold-rolled (cold-reduced) (3 lines)
- [7304.39](https://border.bot/countries/united-states/hs-codes/730439) Other, of circular cross-section, of iron or non-alloy steel: Other (20 lines)
- [7304.41](https://border.bot/countries/united-states/hs-codes/730441) Other, of circular cross-section, of stainless steel: Cold-drawn or cold-rolled (cold-reduced) (6 lines)
- [7304.49](https://border.bot/countries/united-states/hs-codes/730449) Other, of circular cross-section, of stainless steel: Other (4 lines)
- [7304.51](https://border.bot/countries/united-states/hs-codes/730451) Other, of circular cross-section, of other alloy steel: Cold-drawn or cold-rolled (cold-reduced) (5 lines)
- [7304.59](https://border.bot/countries/united-states/hs-codes/730459) Other, of circular cross-section, of other alloy steel: Other (23 lines)
- [7304.90](https://border.bot/countries/united-states/hs-codes/730490) Other (4 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

- [7305.11](https://border.bot/countries/united-states/hs-codes/730511) Line pipe of a kind used for oil or gas pipelines: Longitudinally submerged arc welded (3 lines)
- [7305.12](https://border.bot/countries/united-states/hs-codes/730512) Line pipe of a kind used for oil or gas pipelines: Other, longitudinally welded (3 lines)
- [7305.19](https://border.bot/countries/united-states/hs-codes/730519) Line pipe of a kind used for oil or gas pipelines: Other (3 lines)
- [7305.20](https://border.bot/countries/united-states/hs-codes/730520) Casing of a kind used in drilling for oil or gas (4 lines)
- [7305.31](https://border.bot/countries/united-states/hs-codes/730531) Other, welded: Longitudinally welded (4 lines)
- [7305.39](https://border.bot/countries/united-states/hs-codes/730539) Other, welded: Other (2 lines)
- [7305.90](https://border.bot/countries/united-states/hs-codes/730590) Other (2 lines)

### 73.06 Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel

- [7306.11](https://border.bot/countries/united-states/hs-codes/730611) Line pipe of a kind used for oil or gas pipelines: Welded, of stainless steel (2 lines)
- [7306.19](https://border.bot/countries/united-states/hs-codes/730619) Line pipe of a kind used for oil or gas pipelines: Other (4 lines)
- [7306.21](https://border.bot/countries/united-states/hs-codes/730621) Casing and tubing of a kind used in drilling for oil or gas: Welded, of stainless steel (4 lines)
- [7306.29](https://border.bot/countries/united-states/hs-codes/730629) Casing and tubing of a kind used in drilling for oil or gas: Other (9 lines)
- [7306.30](https://border.bot/countries/united-states/hs-codes/730630) Other, welded, of circular cross-section, of iron or non-alloy steel (18 lines)
- [7306.40](https://border.bot/countries/united-states/hs-codes/730640) Other, welded, of circular cross-section, of stainless steel (13 lines)
- [7306.50](https://border.bot/countries/united-states/hs-codes/730650) Other, welded, of circular cross-section, of other alloy steel (6 lines)
- [7306.61](https://border.bot/countries/united-states/hs-codes/730661) Other, welded, of non-circular cross-section: Of square or rectangular cross-section (5 lines)
- [7306.69](https://border.bot/countries/united-states/hs-codes/730669) Other, welded, of non-circular cross-section: Of other non-circular cross-section (5 lines)
- [7306.90](https://border.bot/countries/united-states/hs-codes/730690) Other (2 lines)

### 73.07 Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel

- [7307.11](https://border.bot/countries/united-states/hs-codes/730711) Cast fittings: Of non-malleable cast iron (3 lines)
- [7307.19](https://border.bot/countries/united-states/hs-codes/730719) Cast fittings: Other (8 lines)
- [7307.21](https://border.bot/countries/united-states/hs-codes/730721) Other, of stainless steel: Flanges (2 lines)
- [7307.22](https://border.bot/countries/united-states/hs-codes/730722) Other, of stainless steel: Threaded elbows, bends and sleeves (2 lines)
- [7307.23](https://border.bot/countries/united-states/hs-codes/730723) Other, of stainless steel: Butt welding fittings (2 lines)
- [7307.29](https://border.bot/countries/united-states/hs-codes/730729) Other, of stainless steel: Other (2 lines)
- [7307.91](https://border.bot/countries/united-states/hs-codes/730791) Other: Flanges (6 lines)
- [7307.92](https://border.bot/countries/united-states/hs-codes/730792) Other: Threaded elbows, bends and sleeves (3 lines)
- [7307.93](https://border.bot/countries/united-states/hs-codes/730793) Other: Butt welding fittings (6 lines)
- [7307.99](https://border.bot/countries/united-states/hs-codes/730799) Other: Other (5 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

- [7308.10](https://border.bot/countries/united-states/hs-codes/730810) Bridges and bridge-sections (1 line)
- [7308.20](https://border.bot/countries/united-states/hs-codes/730820) Towers and lattice masts (3 lines)
- [7308.30](https://border.bot/countries/united-states/hs-codes/730830) Doors, windows and their frames and thresholds for doors (4 lines)
- [7308.40](https://border.bot/countries/united-states/hs-codes/730840) Equipment for scaffolding, shuttering, propping or pitpropping (1 line)
- [7308.90](https://border.bot/countries/united-states/hs-codes/730890) Other (6 lines)

### 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

- [7309.00](https://border.bot/countries/united-states/hs-codes/730900) 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 (2 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

- [7310.10](https://border.bot/countries/united-states/hs-codes/731010) Of a capacity of 50l or more (3 lines)
- [7310.21](https://border.bot/countries/united-states/hs-codes/731021) Of a capacity of less than 50 l: Cans which are to be closed by soldering or crimping (3 lines)
- [7310.29](https://border.bot/countries/united-states/hs-codes/731029) Of a capacity of less than 50 l: Other (4 lines)

### 73.11 Containers for compressed or liquefied gas, of iron or steel

- [7311.00](https://border.bot/countries/united-states/hs-codes/731100) Containers for compressed or liquefied gas, of iron or steel (3 lines)

### 73.12 Stranded wire, ropes, cables, plaited bands, slings and the like, of iron or steel, not electrically insulated

- [7312.10](https://border.bot/countries/united-states/hs-codes/731210) Stranded wire, ropes and cables (22 lines)
- [7312.90](https://border.bot/countries/united-states/hs-codes/731290) Other (1 line)

### 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

- [7313.00](https://border.bot/countries/united-states/hs-codes/731300) 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 (1 line)

### 73.14 Cloth (including endless bands), grill, netting and fencing, of iron or steel wire; expanded metal of iron or steel

- [7314.12](https://border.bot/countries/united-states/hs-codes/731412) Woven cloth: Endless bands for machinery, of stainless steel (5 lines)
- [7314.14](https://border.bot/countries/united-states/hs-codes/731414) Woven cloth: Other woven cloth, of stainless steel (5 lines)
- [7314.19](https://border.bot/countries/united-states/hs-codes/731419) Woven cloth: Other (1 line)
- [7314.20](https://border.bot/countries/united-states/hs-codes/731420) Grill, 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 more (1 line)
- [7314.31](https://border.bot/countries/united-states/hs-codes/731431) Other grill, netting and fencing, welded at the intersection: Plated or coated with zinc (3 lines)
- [7314.39](https://border.bot/countries/united-states/hs-codes/731439) Other grill, netting and fencing, welded at the intersection: Other (1 line)
- [7314.41](https://border.bot/countries/united-states/hs-codes/731441) Other cloth, grill, netting and fencing: Plated or coated with zinc (4 lines)
- [7314.42](https://border.bot/countries/united-states/hs-codes/731442) Other cloth, grill, netting and fencing: Coated with plastics (2 lines)
- [7314.49](https://border.bot/countries/united-states/hs-codes/731449) Other cloth, grill, netting and fencing: Other (2 lines)
- [7314.50](https://border.bot/countries/united-states/hs-codes/731450) Expanded metal (1 line)

### 73.15 Chain and parts thereof, of iron or steel

- [7315.11](https://border.bot/countries/united-states/hs-codes/731511) Articulated link chain and parts thereof: Roller chain (4 lines)
- [7315.12](https://border.bot/countries/united-states/hs-codes/731512) Articulated link chain and parts thereof: Other chain (4 lines)
- [7315.19](https://border.bot/countries/united-states/hs-codes/731519) Articulated link chain and parts thereof: Parts (1 line)
- [7315.20](https://border.bot/countries/united-states/hs-codes/731520) Skid chain (2 lines)
- [7315.81](https://border.bot/countries/united-states/hs-codes/731581) Other chain: Stud-link (1 line)
- [7315.82](https://border.bot/countries/united-states/hs-codes/731582) Other chain: Other, welded link (4 lines)
- [7315.89](https://border.bot/countries/united-states/hs-codes/731589) Other chain: Other (3 lines)
- [7315.90](https://border.bot/countries/united-states/hs-codes/731590) Other parts (1 line)

### 73.16 Anchors, grapnels and parts thereof, of iron or steel

- [7316.00](https://border.bot/countries/united-states/hs-codes/731600) Anchors, grapnels and parts thereof, of iron or steel (1 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

- [7317.00](https://border.bot/countries/united-states/hs-codes/731700) 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 (23 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

- [7318.11](https://border.bot/countries/united-states/hs-codes/731811) Threaded articles: Coach screws (1 line)
- [7318.12](https://border.bot/countries/united-states/hs-codes/731812) Threaded articles: Other wood screws (1 line)
- [7318.13](https://border.bot/countries/united-states/hs-codes/731813) Threaded articles: Screw hooks and screw rings (2 lines)
- [7318.14](https://border.bot/countries/united-states/hs-codes/731814) Threaded articles: Self-tapping screws (4 lines)
- [7318.15](https://border.bot/countries/united-states/hs-codes/731815) Threaded articles: Other screws and bolts, whether or not with their nuts or washers (28 lines)
- [7318.16](https://border.bot/countries/united-states/hs-codes/731816) Threaded articles: Nuts (5 lines)
- [7318.19](https://border.bot/countries/united-states/hs-codes/731819) Threaded articles: Other (1 line)
- [7318.21](https://border.bot/countries/united-states/hs-codes/731821) Non-threaded articles: Spring washers and other lock washers (2 lines)
- [7318.22](https://border.bot/countries/united-states/hs-codes/731822) Non-threaded articles: Other washers (1 line)
- [7318.23](https://border.bot/countries/united-states/hs-codes/731823) Non-threaded articles: Rivets (1 line)
- [7318.24](https://border.bot/countries/united-states/hs-codes/731824) Non-threaded articles: Cotters and cotter-pins (1 line)
- [7318.29](https://border.bot/countries/united-states/hs-codes/731829) Non-threaded articles: Other (1 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

- [7319.40](https://border.bot/countries/united-states/hs-codes/731940) Safety pins and other pins (5 lines)
- [7319.90](https://border.bot/countries/united-states/hs-codes/731990) Other (2 lines)

### 73.20 Springs and leaves for springs, of iron or steel

- [7320.10](https://border.bot/countries/united-states/hs-codes/732010) Leaf-springs and leaves therefor (5 lines)
- [7320.20](https://border.bot/countries/united-states/hs-codes/732020) Helical springs (5 lines)
- [7320.90](https://border.bot/countries/united-states/hs-codes/732090) Other (4 lines)

### 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

- [7321.11](https://border.bot/countries/united-states/hs-codes/732111) Cooking appliances and plate warmers: For gas fuel or for both gas and other fuels (6 lines)
- [7321.12](https://border.bot/countries/united-states/hs-codes/732112) Cooking appliances and plate warmers: For liquid fuel (1 line)
- [7321.19](https://border.bot/countries/united-states/hs-codes/732119) Cooking appliances and plate warmers: Other, including appliances for solid fuel (4 lines)


## In other countries

No other national tariff on border.bot has live lines under chapter 73 yet.

- [The Harmonized System text for chapter 73](https://border.bot/hs-codes/73)

Page 1 of 2: subheadings 1 to 100 of 124. Next page: [page 2](https://border.bot/countries/united-states/hs-codes/73?page=2).

- Previous chapter: [72](https://border.bot/countries/united-states/hs-codes/72) Wire of other alloy steel
- Next chapter: [74](https://border.bot/countries/united-states/hs-codes/74) Copper mattes; cement copper (precipitated copper)

## 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:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/73.json