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Section XV - Chapter 73
Articles of Iron or Steel
Notes
1. In this chapter the expression ""cast iron"" applies to products obtained by casting in which iron predominates by weight over each of the other elements and which do not comply with the chemical composition of steel as defined in note 1(d) to chapter 72.
2. In this chapter the word ""wire"" means hot- or cold-formed products of any cross-sectional shape, of which no cross-sectional dimension exceeds 16 mm (0.629 inch).

Schedule B No. and Headings Commodity Description Unit of Quantity Second Quantity
73 Articles of Iron or Steel
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:
7301.10.0000 - - Sheet piling kg
7301.20 - - Angles, shapes and sections:
7301.20.1000 - - - Of iron or nonalloy steel kg
7301.20.5000 - - - Of alloy steel kg
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, ties and ot
7302.10 - - Rails:
- - - Of iron or nonalloy steel:
- - - - New:
7302.10.1020 - - - - - Standard tee rails, over 30 kg per meter (60.48 pounds per yard) kg
7302.10.1030 - - - - - Other kg
7302.10.1080 - - - - Used rails kg
7302.10.5000 - - - Of alloy steel kg
7302.30.0000 - - Switch blades, crossing frogs, point rods and other crossing pieces kg
7302.40.0000 - - Fish-plates and sole plates kg
7302.90 - - Other:
7302.90.1000 - - - Sleepers (cross-ties) kg
7302.90.9000 - - - Other kg
73.03 - Tubes, pipes and hollow profiles, of cast iron:
7303.00.0030 - - Soil pipe kg
7303.00.0060 - - Pressure pipe with an inside diameter of less than 356 mm (14 inches) kg
7303.00.0090 - - Other kg
73.04 - Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel:
- - Line pipe of a kind used for oil or gas pipelines:
7304.11.0000 - - - Of stainless steel kg
7304.19 - - - Other:
- - - - Of iron or nonalloy steel:
7304.19.1020 - - - - - Having an outside diameter not exceeding 114.3 mm (4.5 inches) kg
7304.19.1050 - - - - - Having an outside diameter exceeding 114.3 mm (4.5 inches) but not exceeding 406.4 mm (16 inches) kg
7304.19.1080 - - - - - Having an outside diameter exceeding 406.4 mm (16 inches) kg
- - - - Of other alloy steel:
7304.19.5020 - - - - - Having an outside diameter not exceeding 114.3 mm (4.5 inches) kg
7304.19.5050 - - - - - Having an outside diameter exceeding 114.3 mm (4.5 inches) but not exceeding 406.4 mm (16 inches) kg
7304.19.5080 - - - - - Having an outside diameter exceeding 406.4 mm (16 inches) kg
- - Casing, tubing and drill pipe, of a kind used in drilling for oil or gas:
7304.22.0000 - - - Drill pipe of stainless steel kg
7304.23 - - - Other drill pipe:
7304.23.3000 - - - - Of iron or nonalloy steel kg
7304.23.6000 - - - - Of other alloy steel kg
7304.24 - - - Other, of stainless steel:
7304.24.1000 - - - - Casing kg
7304.24.6000 - - - - Tubing kg
7304.29 - - - Other:
- - - - Casing:
7304.29.1055 - - - - - Of iron or nonalloy steel kg
7304.29.3155 - - - - - Of other alloy steel kg
- - - - Tubing:
7304.29.5000 - - - - - Of iron or nonalloy steel kg
7304.29.6100 - - - - - Of other alloy steel kg
- - Other, of circular cross section, of iron or non-alloy steel:
7304.31.0000 - - - Cold-drawn or cold-rolled (cold-reduced) kg
7304.39.0000 - - - Other kg
- - Other, of circular cross section of stainless steel:
7304.41.0000 - - - Cold-drawn or cold-rolled (cold-reduced) kg
7304.49 - - - Other:
7304.49.0010 - - - - Hollow bars kg
7304.49.0040 - - - - Other kg
- - Other, of circular cross section of other alloy steel:
7304.51.0000 - - - Cold-drawn or cold-rolled (cold-reduced) kg
7304.59.0000 - - - Other kg
7304.90 - - Other:
7304.90.4000 - - - Of iron or nonalloy steel kg
7304.90.6000 - - - Of alloy steel kg
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 (16 inches) of iron or steel:
- - Line pipe of a kind used for oil or gas pipelines:
7305.11 - - - Longitudinally submerged arc welded:
7305.11.1000 - - - - Of iron or nonalloy steel kg
7305.11.5000 - - - - Of alloy steel kg
7305.12 - - - Other, longitudinally welded:
7305.12.1000 - - - - Of iron or nonalloy steel kg
7305.12.5000 - - - - Of alloy steel kg
7305.19 - - - Other:
7305.19.1000 - - - - Of iron or nonalloy steel kg
7305.19.5000 - - - - Of alloy steel kg
7305.20 - - Casing of a kind used in drilling for oil or gas:
7305.20.3000 - - - Of iron or nonalloy steel kg
7305.20.7000 - - - Of alloy steel kg
- - Other, welded:
7305.31 - - - Longitudinally welded:
7305.31.2000 - - - - Tapered pipes and tubes of steel principally used as parts of illuminating articles kg
- - - - Other:
7305.31.4000 - - - - - Of iron or nonalloy steel kg
7305.31.6000 - - - - - Of alloy steel kg
7305.39 - - - Other:
7305.39.1000 - - - - Of iron or nonalloy steel kg
7305.39.5000 - - - - Of alloy steel kg
7305.90 - - Other:
7305.90.1000 - - - Of iron or nonalloy steel kg
7305.90.5000 - - - Of alloy steel kg
73.06 - Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel:
- - Line pipe of a kind used for oil or gas pipelines:
7306.11.0000 - - - Welded, of stainless steel kg
7306.19 - - - Other:
7306.19.1000 - - - - Of iron or nonalloy steel kg
7306.19.5000 - - - - Of alloy steel kg
- - Casing and tubing of a kind used in drilling for oil or gas:
7306.21 - - - Welded, of stainless steel:
7306.21.3500 - - - - Casing kg
7306.21.8000 - - - - Tubing kg
7306.29 - - - Other:
- - - - Casing:
7306.29.1500 - - - - - Of iron or nonalloy steel kg
7306.29.3000 - - - - - Other kg
- - - - Tubing:
7306.29.6000 - - - - - Of iron or nonalloy steel kg
7306.29.8100 - - - - - Other kg
7306.30 - - Other, welded, of circular cross section, of iron or non-alloy steel:
7306.30.1000 - - - Having a wall thickness of less than 1.65 mm(0.065 inch) kg
- - - Having a wall thickness of 1.65 mm (0.065 inch) or more:
7306.30.1550 - - - - The following pipes and tubes: tapered, principally used as parts of illuminating articles; cold-drawn; cold-rolled with a wall thickness not exceeding 2.54 mm (0.10 inch); or suitable for use in boilers, superheaters, or other gas or liquid press kg
- - - - Other:
- - - - - With an outside diameter not exceeding 114.3 mm (4.5 inches):
7306.30.2000 - - - - - - Galvanized kg
7306.30.4000 - - - - - - Other kg
7306.30.6000 - - - - - With an outside diameter exceeding 114.3 mm (4.5 inches) but not exceeding 406.4 mm (16 inches) kg
7306.40 - - Other, welded, of circular cross section, of stainless steel:
7306.40.1000 - - - Having a wall thickness of less than 1.65mm (0.065 inch) kg
7306.40.5000 - - - Having a wall thickness of 1.65 mm (0.065 inch) or more kg
7306.50 - - Other, welded, of circular cross section, of other alloy steel:
7306.50.1000 - - - Having a wall thickness of less than 1.65mm (0.065 inch) kg
7306.50.4500 - - - Having a wall thickness of 1.65 mm (0.065 inch) or more kg
- - Other, welded, of non-circular cross section:
7306.61 - - - Of square or rectangular cross section:
7306.61.2500 - - - - Of iron or nonalloy steel kg
7306.61.6500 - - - - Of alloy steel kg
7306.69 - - - Of other non-circular cross section:
7306.69.2500 - - - - Of iron or nonalloy steel kg
7306.69.6500 - - - - Of alloy steel kg
7306.90 - - Other:
7306.90.1000 - - - Of iron or nonalloy steel kg
7306.90.5000 - - - Of alloy steel kg
73.07 - Tube or pipe fittings (for example couplings, elbows, sleeves), of iron or steel:
- - Cast fittings:
7307.11 - - - Of nonmalleable cast iron:
7307.11.0030 - - - - For threaded pipe kg
- - - - Other:
7307.11.0045 - - - - - For cast-iron soil pipe kg
7307.11.0060 - - - - - Other kg
7307.19 - - - Other:
7307.19.3000 - - - - Ductile fittings kg
- - - - Other:
7307.19.9030 - - - - - Unions kg
7307.19.9090 - - - - - Other kg
- - Other, of stainless steel:
7307.21.0000 - - - Flanges kg
7307.22 - - - Threaded elbows, bends and sleeves:
7307.22.1000 - - - - Sleeves (couplings) kg
7307.22.5000 - - - - Other kg
7307.23.0000 - - - Butt welding fittings kg
7307.29.0000 - - - Other kg
- - Other:
7307.91 - - - Flanges:
7307.91.2000 - - - - Of iron or nonalloy steel kg
7307.91.4000 - - - - Of alloy steel (except stainless) kg
7307.92 - - - Threaded elbows, bends and sleeves:
- - - - Sleeves (couplings):
7307.92.3010 - - - - - Of iron or nonalloy steel kg
7307.92.3030 - - - - - Of alloy steel (except stainless steel) kg
7307.92.9000 - - - - Other kg
7307.93 - - - Butt welding fittings:
7307.93.1000 - - - - Of iron or nonalloy steel kg
7307.93.2000 - - - - Of alloy steel (except stainless steel) kg
7307.99 - - - Other:
7307.99.2000 - - - - Of iron or nonalloy steel kg
7307.99.4000 - - - - Of alloy steel (except stainless steel) kg
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,
7308.10.0000 - - Bridges and bridge sections kg
7308.20.0000 - - Towers and lattice masts kg
7308.30.0000 - - Doors, windows and their frames and thresholds for doors kg
7308.40.0000 - - Equipment for scaffolding, shuttering, propping or pit-propping kg
7308.90 - - Other:
7308.90.1000 - - - Columns, pillars, posts, beams, girders and similar structural units kg
- - - Other:
7308.90.9030 - - - - Sheet-metal roofing, siding, flooring, and roof drainage equipment kg
- - - - Other:
7308.90.9060 - - - - - Architectural and ornamental work kg
7308.90.9090 - - - - - Other kg
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 300 liters (79.25 gallons), whether or not lined or heat insulated, but not fitted with mechanical or the
7309.00.0030 - - Tanks No.
7309.00.0090 - - Other No.
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 (79.25 gallons), whether or not lined or heat insulated, but not fitted with mec
7310.10 - - Of a capacity of 50 liters (13.21 gallons) or more:
7310.10.0010 - - - Empty steel drums and barrels No.
7310.10.0050 - - - Other X
- - Of a capacity of less than 50 liters (13.21 gallons):
7310.21.0000 - - - Cans which are to be closed by soldering or crimping No.
7310.29.0000 - - - Other No.
7311.00.0000 - Containers for compressed or liquefied gas, of iron or steel No.
73.12 - Stranded wire, ropes, cables, plaited bands, slings and the like, of iron or steel, not electrically insulated:
7312.10 - - Stranded wire, ropes and cables:
- - - Stranded wire:
7312.10.2500 - - - - Fitted with fittings or made up into articles kg
- - - - Other:
7312.10.3015 - - - - - For prestressing concrete kg
7312.10.3500 - - - - - Other kg
- - - - Ropes, cable, and cordage other than stranded wire:
7312.10.5500 - - - - - Fitted with fittings or made up into articles kg
7312.10.8500 - - - - - Other kg
7312.90.0000 - - Other kg
7313.00.0000 - 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 kg
73.14 - Cloth (including endless bands), grill, netting and fencing, of iron or steel wire; expanded metal of iron or steel:
- - Woven cloth:
7314.12.0000 - - - Endless bands of machinery, of stainless steel m2
- - - Other:
7314.14.0000 - - - - Of stainless steel m2
7314.19.0100 - - - - Other m2
7314.20.0000 - - Grill, netting and fencing, welded at the intersection, of wire with a maximum cross-sectional dimension of 3 mm (0.118 inch) or more and having a mesh size of 100 cm2 (15.5 square inches) or more (concrete reinforcement mesh) kg
- - Other grill, netting and fencing, welded at the intersection:
7314.31.0000 - - - Plated or coated with zinc kg
7314.39.0000 - - - Other kg
- - Other grill, netting and fencing:
7314.41.0000 - - - Plated or coated with zinc kg
7314.42.0000 - - - Coated with plastics kg
7314.49.0000 - - - Other kg
7314.50.0000 - - Expanded metal m2
73.15 - Chain and parts thereof, of iron or steel:
- - Articulated link chain and parts thereof:
7315.11.0000 - - - Roller chain kg
7315.12.0000 - - - Other chain kg
7315.19.0000 - - - Parts kg
7315.20.0000 - - Skid chain kg
- - Other chain:
7315.81.0000 - - - Stud link (or anchor) kg
7315.82 - - - Other, welded link:
7315.82.2000 - - - - Of alloy steel kg
7315.82.6000 - - - - Of iron or nonalloy steel kg
7315.89.0000 - - - Other kg
7315.90.0000 - - Other parts kg
7316.00.0000 - Anchors, grapnels and parts thereof, of iron or steel X
73.17 - Nails, tacks, drawing pins, corrugated nails, staples (other than those of heading 8305) and similar articles, of iron or steel, whether or not with heads of other material, but excluding such articles with heads of copper:
7317.00.1000 - - Thumb tacks kg
7317.00.9000 - - Other kg
73.18 - Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel:
- - Threaded articles:
7318.11.0000 - - - Coach screws kg
7318.12.0000 - - - Other wood screws kg
7318.13.0000 - - - Screw hooks and screw rings kg
7318.14.0000 - - - Self-tapping screws kg
7318.15 - - - Other screws and bolts, whether or not with their nuts or washers:
7318.15.2000 - - - - Bolts and bolts and their nuts or washers exported in the same shipment kg
7318.15.5000 - - - - Studs kg
7318.15.9000 - - - - Other kg
7318.16.0000 - - - Nuts kg
7318.19.0000 - - - Other kg
- - Nonthreaded articles:
7318.21.0000 - - - Spring washers and other lock washers kg
7318.22.0000 - - - Other washers kg
7318.23.0000 - - - Rivets kg
7318.24.0000 - - - Cotters and cotter pins kg
7318.29.0000 - - - Other kg
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 - - Safety pins and other pins:
7319.40.2000 - - - Safety pins X
7319.40.9000 - - - Other X
7319.90 - - Other:
7319.90.1000 - - - Sewing, darning or embroidery needles X
7319.90.9000 - - - Other X
73.20 - Springs and leaves for springs, of iron or steel:
7320.10.0000 - - Leaf springs and leaves therefor kg
7320.20 - - Helical springs:
7320.20.1000 - - - Suitable for motor vehicle suspension kg
7320.20.5000 - - - Other kg
7320.90 - - Other:
7320.90.1000 - - - Hairsprings (except those of 9114) kg
- - - Other:
7320.90.5030 - - - - Of wire kg
7320.90.5060 - - - - Other kg
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:
- - Cooking appliances and plate warmers:
7321.11 - - - For gas fuel or for both gas and other fuels:
7321.11.1000 - - - - Portable No.
7321.11.5000 - - - - Other No.
7321.12.0000 - - - For liquid fuel No.
7321.19 - - - Other, including appliances for solid fuel:
7321.19.0050 - - - - Portable No.
7321.19.0070 - - - - Other No.
- - Other appliances:
7321.81.0000 - - - For gas fuel or for both gas and other fuels No.
7321.82.0000 - - - For liquid fuel No.
7321.89.0000 - - - Other, including appliances for solid fuel No.
7321.90 - - Parts:
7321.90.6050 - - - For cooking appliances and plate warmers X
7321.90.6080 - - - Other X
73.22 - Radiators for central heating, not electrically heated, and parts thereof, of iron or steel; air heaters and hot air distributors (including distributors which can also distribute fresh or conditioned air), not electrically heated, incorporating a motor
- - Radiators and parts thereof:
7322.11.0000 - - - Of cast iron X
7322.19.0000 - - - Other X
7322.90.0000 - - Other, including parts X
73.23 - Table, kitchen or other household articles and parts thereof, of iron or steel; iron or steel wool; pot scourers and scouring or polishing pads, gloves and the like, of iron or steel:
7323.10.0000 - - Iron or steel wool; pot scourers and scouring or polishing pads, gloves and the like kg
- - Other:
7323.91.0000 - - - Of cast iron, not enameled X
7323.92.0000 - - - Of cast iron, enameled X
7323.93 - - - Of stainless steel:
7323.93.0010 - - - - Cooking and kitchenware No.
7323.93.0080 - - - - Other kg
7323.94.0000 - - - Of iron (not cast iron) or steel, enameled No.
7323.99.0000 - - - Other X
73.24 - Sanitary ware and parts thereof, of iron or steel:
7324.10.0000 - - Sinks and wash basins, of stainless steel No.
- - Baths:
7324.21.0000 - - - Of cast iron, whether or not enameled No.
7324.29.0000 - - - Other No.
7324.90.0000 - - Other, including parts X
73.25 - Other cast articles of iron or steel:
7325.10.0000 - - Of nonmalleable cast iron kg
- - Other:
7325.91.0000 - - - Grinding balls and similar articles for mills kg
7325.99.0000 - - - Other kg
73.26 - Other articles of iron or steel:
- - Forged or stamped, but not further worked:
7326.11.0000 - - - Grinding balls and similar articles for mills kg
7326.19.0000 - - - Other kg
7326.20.0000 - - Articles of iron or steel wire X
7326.90 - - Other:
7326.90.1000 - - - Articles of tinplate X
- - - Other:
7326.90.3500 - - - - Containers of a kind normally carried on the person, in the pocket or in the handbag Doz.
- - - - - Other:
7326.90.6000 - - - - - - Coated or plated with precious metal X
- - - - - - Other:
7326.90.8505 - - - - - - - Rods for electrical grounding kg
7326.90.8530 - - - - - - - Hangers and similar supports for tubes and pipes kg
7326.90.8560 - - - - - - - Ladders No.
7326.90.8595 - - - - - - - Other kg

Source: U.S. Census Bureau | Foreign Trade | ftdwebm 7;ster@census.gov |  Last Revised: April 11, 2012