HS Code Chapter 73: Articles of iron or steel

7301.10.00 Iron or steel sheet piling, whether or not drilled, punched or made from assembled elements 7301.20.10 Iron or nonalloy steel, angles, shapes and sections, welded 7301.20.50 Alloy steel, angles, shapes and sections of alloy steel, welded 7302.10.10 Iron or nonalloy steel, rails for railway or tramway tracks 7302.10.50 Alloy steel, rails for railway or tramway tracks 7302.30.00 Iron or steel, switch blades, crossing frogs, point rods and other crossing pieces, for jointing or fixing rails 7302.40.00 Iron or steel, fish plates and sole plates for jointing or fixing rails 7302.90.10 Sleepers (cross-ties) for railway or tramway track construction of iron or steel 7302.90.90 Railway or tramway track construction material and other materials specialized for joing or fixing rails, of iron or steel, nesoi 7303.00.00 Cast iron, tubes, pipes and hollow profiles 7304.11.00 Stainless steel, seamless line pipe used for oil or gas pipelines 7304.19.10 Iron (o/than cast) or nonalloy steel, seamless line pipe used for oil and gas pipelines 7304.19.50 Alloy (other than stainless) steel, seamless line pipe used for oil or gas pipelines 7304.22.00 Stainless steel, seamless drill pipe, of a kind used in drilling for oil or gas 7304.23.30 Iron (o/than cast) or nonalloy steel, seamless drill pipe, of a kind used in drilling for oil or gas 7304.23.60 Alloy (other than stainless) steel, seamless drill pipe, of a kind used in drilling for oil or gas 7304.24.30 Stainless steel, seamless casing pipe, threaded or coupled, of a kind used in drilling for oil or gas 7304.24.40 Stainless steel, seamless casing pipe, not threaded or coupled, of a kind used in drilling for oil or gas 7304.24.60 Stainless steel, seamless tubing, of a kind used in drilling for oil or gas 7304.29.10 Iron (o/than cast) or nonalloy steel, seamless casing pipe, threaded or coupled, of a kind used in drilling for oil or gas 7304.29.20 Iron (o/than cast) or nonalloy steel, seamless casing pipe, not threaded or coupled, of a kind used in drilling for oil or gas 7304.29.31 Alloy (other than stainless) steel, seamless casing pipe, threaded or coupled, of a kind used in drilling for oil or gas 7304.29.41 Alloy (other than stainless) steel, seamless casing pipe, not threaded or coupled, of a kind used in drilling for oil or gas 7304.29.50 Iron (o/than cast) or nonalloy, seamless tubing, of a kind used in drilling for oil or gas 7304.29.61 Alloy (other than stainless) steel, seamless tubing, of a kind used in drilling for oil or gas 7304.31.30 Iron (o/than cast) or nonalloy steel, seamless, cold-drawn or cold-rolled, hollow bars w/circular cross section 7304.31.60 Iron (o/than cast) or nonalloy steel, seamless, cold-drawn or cold-rolled, tubes, pipes & hollow profiles, w/circular cross section, nesoi 7304.39.00 Iron (o/than cast) or nonalloy steel, seamless, not cold-drawn or cold-rolled, tubes, pipes and hollow prof., w/circular cross sect., nesoi 7304.41.30 Stainless steel, seamless, cold-drawn/cold-rolled, tubes, pipes and hollow profiles, w/circular cross section & extern. diam less than 19mm 7304.41.60 Stainless steel, seamless, cold-drawn/cold-rolled, tubes, pipes and hollow profiles, w/circular cross section & extern. diam of 19mm or more 7304.49.00 Stainless steel, seamless, not cold-drawn/cold-rolled, tubes, pipes and hollow profiles, w/circular cross section 7304.51.10 Alloy steel (o/than stainless), seamless, cold-drawn/cold-rolled, tubes, pipes, etc., w/circ. cross sect., for mfr of ball/roller bearings 7304.51.50 Alloy steel (o/than stainless), seamless, cold-drawn/cold-rolled, tubes, pipes and hollow profiles, w/circular cross section, nesoi 7304.59.10 Alloy steel (o/than stainless), seamless, n/cold-drawn/cold-rolled, tubes, pipes, etc. w/circ. cross sect., for mfr ball/roller bearings 7304.59.20 Alloy steel (o/than stainless), seamless, n/cold-drawn/cold-rolled, tubes, pipes, etc. w/circ. cross sect., for boilers, heaters, etc 7304.59.60 Heat-resisting alloy steel (o/than stainless), seamless, n/cold-drawn/cold-rolled, tubes, pipes, etc., w/circ. cross sect., nesoi 7304.59.80 Alloy steel (o/than heat-resist or stainless), seamless, n/cold-drawn/cold-rolled, tubes, pipes and hollow prof., w/circ. cross sect., nesoi 7304.90.10 Iron (o/than cast) or nonalloy steel, seamless, tubes, pipes and hollow profiles, o/than circ. cross sect., w/wall thickness of 4 mm or more 7304.90.30 Alloy steel (o/than stainless), seamless, tubes, pipes and hollow profiles, o/than circ. cross sect., w/wall thickness of 4 mm or more 7304.90.50 Iron (o/than cast) or nonalloy steel, seamless, tubes, pipes and hollow profiles, o/than circ. cross sect., w/wall thickness less than 4 mm 7304.90.70 Alloy steel (o/than stainless), seamless, tubes, pipes and hollow profiles, o/than circ. cross sect., w/wall thickness less than 4 mm 7305.11.10 Iron or nonalloy steel, seamed, w/circ. cross sect. & ext. diam o/406.4mm, line pipe, long. submerg. arc weld., used for oil/gas 7305.11.50 Alloy steel, seamed, circ. w/cross sect. & ext. diam o/406.4mm, line pipe, long. submerg. arc weld., used for oil/gas pipelines 7305.12.10 Iron or nonalloy steel, seamed, w/circ. cross sect. & ext. diam o/406.4mm, line pipe, long. welded nesoi, used for oil/gas 7305.12.50 Alloy steel, seamed, w/circ. cross sect. & ext. diam o/406.4mm, line pipe, long. welded nesoi, used for oil/gas pipelines 7305.19.10 Iron or nonalloy steel, seamed, w/circ. cross sect.& ext. diam o/406.4mm, line pipe, not long. welded, used for oil/gas 7305.19.50 Alloy steel, seamed, w/circ. cross sect. & ext. diam o/406.4mm, line pipe, not long. welded, used for oil/gas pipelines 7305.20.20 Iron or nonalloy steel, seamed, w/circ. cross sect. & ext. diam. o/406.4mm, casing pipe, threaded/coupled, of kind for drilling for oil/gas 7305.20.40 Iron or nonalloy steel, seamed, w/circ. cross sect. & ext. diam. o/406.4mm, casing pipe, n/threaded/coupled, of kind for drill. for oil/gas 7305.20.60 Alloy steel, seamed, w/circ. cross sect. & ext. diam. o/406.4mm, casing pipe, threaded/coupled, of kind for drilling for oil/gas 7305.20.80 Alloy steel, seamed, w/circ. cross sect. & ext. diam. o/406.4mm, casing pipe, n/threaded/coupled, of kind for drilling for oil/gas 7305.31.20 Steel, long. welded, w/circ. cross sect & ext. diam o/406.4mm, tapered pipes and tubes principally used as pts of illuminating arts. 7305.31.40 Iron or nonalloy steel, long. welded, w/circ. cross sect. & ext. diam. o/406.4mm, tubes and pipes, o/th used in oil/gas drill.etc 7305.31.60 Alloy steel, long. welded, w/circ. cross sect. & ext. diam. o/406.4mm, tubes and pipes, o/than used in oil/gas drill. or pipelines 7305.39.10 Iron or nonalloy steel, weld. o/than long. weld., w/circ. x-sect. & ext. diam. o/406.4mm, tubes and pipes, o/th used in oil/gas drill.etc 7305.39.50 Alloy steel, weld. o/than long. weld., w/circ. x-sect. & ext. diam. o/406.4mm, tubes and pipes, o/than used in oil/gas drill. or pipelines 7305.90.10 Iron or nonalloy steel, seamed, w/circ. cross sect. & ext. diam. o/406.4mm, not welded, tubes and pipes, o/th used in oil/gas drill.etc 7305.90.50 Alloy steel, seamed, w/circ. cross sect. & ext. diam. o/406.4mm, not welded, tubes and pipes, o/than used in oil/gas drill. or pipelines 7306.11.00 Welded stainless steel, w/ext. diam 406.4mm or less or o/than circ. x-sect, line pipe of a kind used for oil and gas pipelines 7306.19.10 Iron or nonalloy steel, seamed, w/ext. diam. 406.4mm or less or o/than circ. x-sect, line pipe of a kind used for oil and gas pipelines 7306.19.51 Alloy steel, seamed (o/than welded stainless steel), w/ext. diam 406.4mm or less or o/than circ. x-sect, line pipe of a kind used for oil an 7306.21.30 Welded stainless steel, w/ext. diam 406.4mm or less or o/than circ. x-sect, threaded/coupled, casing of kind used in drilling for oil/gas 7306.21.40 Welded stainless steel, w/ext. diam 406.4mm or less or o/than circ. x-sect, n/threaded/coupled, casing of kind used in drilling for oil/gas 7306.21.80 Welded stainless steel, w/ext. diam 406.4mm or less or o/than circ. x-sect, tubing of a kind used for drilling for oil/gas 7306.29.10 Iron or nonalloy steel, seamed, w/ext. diam 406.4mm or less or o/than circ. x-sect, threaded/coupled, casing of kind used in drill. oil/gas 7306.29.20 Iron or nonalloy steel, seamed, w/ext. diam 406.4mm or less or o/than circ. x-sect, n/threaded/coupled, casing kind used drill for oil/gas 7306.29.31 Alloy steel, seamed (o/than welded stainless steel), w/ext. diam 406.4mm or less or o/than circ. x-sect, threaded/coupled, casing of kind us 7306.29.41 Alloy steel, seamed (o/than welded stainless steel), w/ext. diam 406.4mm or less or o/than circ. x-sect, n/threaded/coupled, casing of kind 7306.29.60 Iron or nonalloy steel, seamed, w/ext. diam. 406.4mm or less or o/than circ. x-sect, tubing of a kind used for drilling for oil/gas 7306.29.81 Alloy steel, seamed (o/than welded stainless steel), w/ext. diam 406.4mm or less or o/than circ. x-sect, tubing of a kind used for drilling 7306.30.10 Iron or nonalloy steel, welded, w/circ. x-sect & ext. diam. 406.4mm or less, tubes, pipes, hollow profiles, w/wall thick. less than 1.65 mm 7306.30.30 Nonalloy steel, welded, w/circ. x-sect & ext. diam. 406.4mm or less, tapered pipes & tubes, w/wall thick. of 1.65 mm+, pts. of illum. arts. 7306.30.50 Iron or nonalloy steel, welded, w/circ. x-sect & ext. diam. 406.4mm or less, pipes, tubes & holl. prof., w/wall thick. of 1.65 mm or more 7306.40.10 Stainless steel, welded, w/circ. x-sect & ext. diam. 406.4mm or less, tubes, pipes, hollow profiles, w/wall thick. less than 1.65 mm 7306.40.50 Stainless steel, welded, w/circ. x-sect & ext. diam. 406.4mm or less, tubes, pipes, hollow profiles, w/wall thick. of 1.65 mm or more 7306.50.10 Alloy steel (o/stainless), welded, w/circ. x-sect & ext. diam. 406.4mm or less, tubes, pipes, hollow prof., w/wall thick. less th/1.65 mm 7306.50.30 Alloy steel (o/stainless), welded, w/circ. x-sect & ext. diam. 406.4mm or less, tapered pipes & tubes, w/wall thick. of 1.65 mm+, pts. illum 7306.50.50 Alloy steel (o/stainless), welded, w/circ. x-sect & ext. diam. 406.4mm or less, tubes, pipes, hollow prof., w/wall thick. of 1.65 mm+ 7306.61.10 Iron or nonalloy steel, welded, w/square or rectangular x-sect, tubes, pipes and hollow profiles, w/wall thickness of 4 mm or more 7306.61.30 Alloy steel, welded, w/square or rectangular x-sect, tubes, pipes and hollow profiles, w/wall thickness of 4 mm or more 7306.61.50 Iron or nonalloy steel, welded, w/square or rectangular x-sect, tubes, pipes and hollow profiles, w/wall thickness less than 4 mm 7306.61.70 Alloy steel, welded, w/square or rectangular x-sect, tubes, pipes and hollow profiles, w/wall thickness less than 4 mm 7306.69.10 Iron or nonalloy steel, welded, w/other non-circ. x-sect, tubes, pipes and hollow profiles, w/wall thickness of 4 mm or more 7306.69.30 Alloy steel, welded, w/other non-circ. x-sect, tubes, pipes and hollow profiles, w/wall thickness of 4 mm or more 7306.69.50 Iron or nonalloy steel, welded, w/other non-circ. x-sect, tubes, pipes and hollow profiles, w/wall thickness less than 4 mm 7306.69.70 Alloy steel, welded, w/other non-circ. x-sect, tubes, pipes and hollow profiles, w/wall thickness less than 4 mm 7306.90.10 Iron or nonalloy steel, seamed o/welded, w/non-circ. x-sect. or circ. x-sect. w/ext. diam. 406.4mm or less, tubes, pipes & hollow profiles 7306.90.50 Alloy steel, seamed o/than welded, w/non-circ. x-sect or circ. x-sect w/ext. diam. 406.4mm or less, tubes, pipes and hollow profiles 7307.11.00 Cast nonmalleable iron, fittings for tubes or pipes 7307.19.30 Cast ductile iron or steel, fittings for tubes or pipes 7307.19.90 Cast iron or steel, fittings for tubes or pipes, nesoi 7307.21.10 Stainless steel, flanges for tubes/pipes, forged, not machined, not tooled and not otherwise processed after forging 7307.21.50 Stainless steel, not cast, flanges for tubes/pipes, not forged or forged and machined, tooled and otherwise processed after forging 7307.22.10 Stainless steel, not cast, threaded sleeves (couplings) for tubes/pipes 7307.22.50 Stainless steel, not cast, threaded elbow and bends for tubes/pipes 7307.23.00 Stainless steel, not cast, butt welding fittings for tubes/pipes 7307.29.00 Stainless steel, not cast, fittings for tubes/pipes, nesoi 7307.91.10 Iron or nonalloy steel, flanges for tubes/pipes, forged, not machined, not tooled and not otherwise processed after forging 7307.91.30 Alloy steel (o/than stainless), not cast, flanges for tubes/pipes, forged, not machined/tooled and not otherwise processed after forging 7307.91.50 Iron or steel (o/than stainless), not cast, flanges for tubes/pipes, not forged or forged and machined, tooled & processed after forging 7307.92.30 Iron or steel (o/than stainless), not cast, threaded sleeves (couplings) for tubes/pipes 7307.92.90 Iron or steel (o/than stainless), not cast, threaded elbow and bends for tubes/pipes 7307.93.30 Iron or nonalloy steel, not cast, butt welding fittings for tubes/pipes, w/inside diam. less than 360mm 7307.93.60 Alloy steel (o/than stainless), not cast, butt welding fittings for tubes/pipes, w/inside diam. less than 360mm 7307.93.90 Iron or alloy steel (o/than stainless), not cast, butt welding fittings for tubes/pipes, w/inside diam. 360mm or more 7307.99.10 Iron or nonalloy steel, fittings for tubes/pipes, nesoi, forged, not machined, not tooled and not otherwise processed after forging 7307.99.30 Alloy steel (o/than stainless), fittings for tubes/pipes, nesoi, forged, not machined/tooled and not otherwise processed after forging 7307.99.50 Iron/steel (o/than stainless), n/cast, fittings for tubes/pipes, nesoi, not forged or forged and machined, tooled & processed after forging 7308.10.00 Iron or steel, bridges and bridge sections 7308.20.00 Iron or steel, towers and lattice masts 7308.30.10 Stainless steel, doors, windows and their frames, and thresholds for doors 7308.30.50 Iron or steel (o/than stainless), doors, windows and their frames, and thresholds for doors 7308.40.00 Iron or steel, props and similar equipment for scaffolding, shuttering or pit-propping 7308.90.30 Iron or steel, not in part alloy steel, columns, pillars, posts, beams and girders 7308.90.60 Iron or steel, columns, pillars, posts, beams and girders, nesoi 7308.90.70 Steel, grating for structures or parts of structures 7308.90.95 Iron or steel, structures (excluding prefab structures of 9406) and parts of structures, nesoi 7309.00.00 Iron/steel, reservoirs, tanks, vats, siml. contain., for any material (o/than compress./liq.gas), w/capacity o/300 l, n/fit. w/mech/thermal 7310.10.00 Iron/steel, tanks, casks, drums, cans, boxes & siml. cont. for any material (o/than compress./liq.gas), w/cap. of 50+ l but n/o 300 l 7310.21.00 Iron/steel, cans for any material (o/compressed/liq. gas), closed by soldering or crimping, w/cap. less than 50 l 7310.29.00 Iron/steel, cans for any material (o/compressed/liq. gas), n/closed by soldering or crimping, w/cap. less than 50 l 7311.00.00 Iron/steel, containers for compressed or liquefied gas 7312.10.05 Stainless steel, stranded wire, not elect. insulated, fitted with fittings or made up into articles 7312.10.10 Stainless steel, stranded wire, not elect. insulated, not fitted with fittings or made up into articles 7312.10.20 Iron or steel (o/than stainless), stranded wire, not elect. insul., fitted with fittings or made up into articles 7312.10.30 Iron or steel (o/than stainless), stranded wire, not elect. insul., not fitted with fittings or made up into articles 7312.10.50 Stainless steel, ropes, cables and cordage (o/than stranded wire), not elect. insul., fitted with fittings or made up into articles 7312.10.60 Stainless steel, ropes, cables and cordage (o/than stranded wire), not elect. insul., not fitted with fittings or made up into articles 7312.10.70 Iron/steel (o/stainless), ropes, cables & cordage (o/than stranded wire), n/elect. insul., fitted with fittings or made up into articles 7312.10.80 Iron/steel (o/stainless), ropes, cables & cordage, of brass plated wire (o/than stranded wire), n/elect. insul., w/o fittings or arts. 7312.10.90 Iron/steel (o/stainless), ropes, cables & cordage, o/th of brass plate wire (o/than stranded wire), n/elect. insul., w/o fittings etc. 7312.90.00 Iron/steel (o/stainless), plaited bands, slings and the like, not electrically insulated 7313.00.00 Iron/steel, barbed wire; iron/steel, twisted hoop or single flat wire and loosely twisted double wire, of a kind used for fencing 7314.12.10 Stainless steel, woven cloth endless bands for machinery, w/meshes not finer than 12 wires to the lineal cm in warp or filling 7314.12.20 Stainless steel, woven cloth endless bands for machinery, w/meshes finer than 12 but n/finer than 36 wires to the lineal cm warp or filling 7314.12.30 Stainless steel, Fourdrinier wires for papermaking machines w/94 or more wires to the lineal cm in warp or filling 7314.12.60 Stainless steel, Fourdrinier wires for papermaking machines w/36 to 93 wires to the lineal cm in warp or filling 7314.12.90 Stainless steel, woven cloth endless bands for machinery, nesoi, w/meshes finer than 36 wires to the lineal cm in warp or filling 7314.14.10 Stainless steel, woven cloth (o/than endless bands for machinery), w/meshes not finer than 12 wires to the lineal cm in warp or filling 7314.14.20 Stainless steel, woven cloth (o/than endless bands for machinery), w/meshes finer 12 but n/finer 36 wires to the lineal cm warp/filling 7314.14.30 Stainless steel, Fourdrinier wires (o/than endless bands) for papermaking machines,w/meshes 94 or more wire to lineal cm warp/filling 7314.14.60 Stainless steel, Fourdrinier wires (o/than endless bands) for papermaking machines, w/meshes 36 to 93 wires to the lineal cm warp/filling 7314.14.90 Stainless steel woven cloth (other than endless band for machinery), neosi, w/meshes finer than 36 wires to the lineal cm in warp or filling 7314.19.01 Iron or steel (o/than stainless), woven cloth 7314.20.00 Iron/steel, grill, netting & fencing, of wire w/maximum x-sect. dimension 3 mm or more, welded at intersection, w/mesh size 100 cm2 or more 7314.31.10 Iron/steel, fencing, of wire, welded at the intersection, plated or coated with zinc, whether or not covered w/plastic material 7314.31.50 Iron/steel, grill and netting, of wire, welded at the intersection, plated or coated with zinc, nesoi 7314.39.00 Iron/steel, grill, netting and fencing, of wire, welded at the intersection, not plated or coated with zinc 7314.41.00 Iron/steel, grill, netting and fencing, of wire, not welded at the intersection, plated or coated with zinc 7314.42.00 Iron/steel, grill, netting and fencing, of wire, not welded at the intersection, coated with plastics 7314.49.30 Iron/steel, grill, netting and fencing, of wire, not welded at the intersection, not cut to shape 7314.49.60 Iron/steel, grill, netting and fencing, of wire, not welded at the intersection, cut to shape 7314.50.00 Iron or steel, expanded metal 7315.11.00 Iron or steel, roller chain 7315.12.00 Iron or steel, articulated link chain (other than roller chain) 7315.19.00 Iron or steel, parts of articulated link chain 7315.20.10 Iron or steel, skid chain, not over 8 mm in diameter 7315.20.50 Iron or steel, skid chain, over 8 mm in diameter 7315.81.00 Iron or steel, stud link chain 7315.82.10 Alloy steel, welded link chain, not over 10 mm in diameter 7315.82.30 Alloy steel, welded link chain, over 10 mm in diameter 7315.82.50 Iron or nonalloy steel, welded link chain, not over 10 mm in diameter 7315.82.70 Iron or nonalloy steel, welded link chain, over 10 mm in diameter 7315.89.10 Iron or steel, chain nesoi, with links of essentially round cross section, not over 8 mm in diameter 7315.89.30 Iron or steel, chain nesoi, with links of essentially round cross sections, over 8 mm in diameter 7315.89.50 Iron or steel, chain nesoi 7315.90.00 Iron or steel, parts of chain (other than articulated link chain) 7316.00.00 Iron or steel, anchors, grapnels and parts thereof 7317.00.10 Iron or steel, thumb tacks 7317.00.20 Iron or steel, nails, tacks, corrugated nails, staples & similar arts., not threaded, suitable for use in powder-actuated hand tools 7317.00.30 Iron or steel, nails, tacks, corrugated nails, staples & similar arts., threaded, suitable for use in powder-actuated hand tools 7317.00.55 Iron or steel, nails, tacks, corrugated nails, staples & similar arts., of one piece construction, made of round wire, nesoi 7317.00.65 Iron or steel, nails, tacks, corrugated nails, staples & similar arts., of one piece construction, not made of round wire, nesoi 7317.00.75 Iron or steel, nails, tacks, corrugated nails, staples & similar arts., of two or more pieces, nesoi 7318.11.00 Iron or steel, coach screws 7318.12.00 Iron or steel, wood screws (o/than coach screws) 7318.13.00 Iron or steel, screw hooks and screw rings 7318.14.10 Iron or steel, self-tapping screws, w/shanks or threads less than 6 mm in diameter 7318.14.50 Iron or steel, self-tapping screws, w/shanks or threads 6 mm or more in diameter 7318.15.20 Iron or steel, bolts and bolts & their nuts or washers, imported in the same shipment 7318.15.40 Iron or steel, machine screws (o/than cap screws), 9.5 mm or more in length and 3.2 mm in diameter 7318.15.50 Iron or steel, threaded studs 7318.15.60 Iron or steel, screws and bolts, nesoi, having shanks or threads less than 6 mm in diameter 7318.15.80 Iron or steel, screws and bolts, nesoi, having shanks or threads 6 mm or more in diameter 7318.16.00 Iron or steel, nuts 7318.19.00 Iron or steel, threaded articles similar to screws, bolts, nuts, coach screws & screw hooks, nesoi 7318.21.00 Iron or steel, spring washers and other lock washers 7318.22.00 Iron or steel, washers (o/than spring washers and other lock washers) 7318.23.00 Iron or steel, rivets 7318.24.00 Iron or steel, cotters and cotter pins 7318.29.00 Iron or steel, nonthreaded articles similar to rivets, cotters, cotter pins, washers and spring washers 7319.20.00 Iron or steel, safety pins 7319.30.10 Iron or steel, dressmakers' or common pins 7319.30.50 Iron or steel, pins (o/than safety pins, dressmakers' or common pins) 7319.90.10 Iron or steel, sewing, darning or embroidery needles 7319.90.90 Iron or steel, knitting needles, bodkins, crochet hooks, embroidery stilettos and similar articles for use in the hand 7320.10.30 Iron or steel, leaf springs & leaves therefore, to be used in motor vehicles having a G.V.W. not exceeding 4 metric tons 7320.10.60 Iron or steel, leaf springs & leaves therefore, suitable for motor vehicle suspension (o/than for motor vehicles w/a G.V.W. o/4 metric tons) 7320.10.90 Iron or steel, leaf springs & leaves therefore, not suitable for motor vehicle suspension 7320.20.10 Iron or steel, helical springs, suitable for motor-vehicle suspension