SECTION XV -- CHAPTER 72 I. PRIMARY MATERIALS; PRODUCTS IN GRANULAR OR POWDER FORM 7201 Pig iron and spiegeleisen in pigs, blocks or other primary forms: 7201.10.0000 Nonalloy pig iron containing by weight 0.5 percent or less of phosphorus............................................................... t 7201.20.0000 Nonalloy pig iron containing by weight more than 0.5 percent of phosphorus....................................................... t 7201.50 Alloy pig iron; spiegeleisen: 7201.50.3000 Alloy pig iron........................................................... t 7201.50.6000 Spiegeleisen............................................................. t 7202 Ferroalloys: Ferromanganese: 7202.11.0000 Containing by weight more than 2 percent of carbon....................... kg Manganese content.............................................. kg 7202.19.0000 Other.................................................................... kg Manganese content.............................................. kg Ferrosilicon: 7202.21.0000 Containing by weight more than 55 percent of silicon.................................................................. kg Silicon content................................................ kg 7202.29.0000 Other.................................................................... kg Silicon content................................................ kg 7202.30.0000 Ferrosilicon manganese...................................................... kg Manganese content.............................................. kg Ferrochromium: 7202.41.0000 Containing by weight more than 4 percent of carbon....................... kg Chromium content............................................... kg 7202.49.0000 Other.................................................................... kg Chromium content............................................... kg 7202.50.0000 Ferrosilicon chromium....................................................... kg Chromium content............................................... kg 7202.60.0000 Ferronickel................................................................. kg Nickel content................................................. kg 7202.70.0000 Ferromolybdenum............................................................. kg Molybdenum content............................................. kg 7202.80.0000 Ferrotungsten and ferrosilicon tungsten..................................... kg Tungsten content............................................... kg Other: 7202.91.0000 Ferrotitanium and ferrosilicon titanium.................................. kg 7202.92.0000 Ferrovanadium............................................................ kg Vanadium content............................................... kg 7202.93.0000 Ferroniobium............................................................. kg 7202.99 Other: 7202.99.1000 Ferrozirconium......................................................... kg Other: 7202.99.5020 Ferrophosphorus..................................................... kg 7202.99.5040 Other............................................................... kg 7203 Ferrous products obtained by direct reduction of iron ore and other spongy ferrous products, in lumps, pellets or similar forms; iron having a minimum purity by weight of 99.94 percent, in lumps, pellets or similar forms: 7203.10.0000 Ferrous products obtained by direct reduction of iron ore.................................................................... t 7203.90.0000 Other....................................................................... t 7204 Ferrous waste and scrap; remelting scrap ingots of iron or steel: 7204.10.0000 Waste and scrap of cast iron................................................ t Waste and scrap of alloy steel: 7204.21.0000 Of stainless steel....................................................... t 7204.29.0000 Other.................................................................... t 7204.30.0000 Waste and scrap of tinned iron or steel..................................... t Other waste and scrap: 7204.41 Turnings, shavings, chips, milling waste, sawdust, filings, trimmings and stampings, whether or not in bundles: 7204.41.0020 No. 1 bundles.......................................................... t 7204.41.0040 No. 2 bundles.......................................................... t 7204.41.0060 Borings, shovelings, and turnings...................................... t 7204.41.0080 Other.................................................................. t 7204.49 Other: 7204.49.0020 No. 1 heavy melting.................................................... t 7204.49.0040 No. 2 heavy melting.................................................... t Other: 7204.49.0060 Cut plate and structural............................................ t 7204.49.0070 Shredded............................................................ t 7204.49.0080 Other............................................................... t 7204.50.0000 Remelting scrap ingots...................................................... t 7205 Granules and powders, of pig iron, spiegeleisen, iron or steel: 7205.10.0000 Granules.................................................................... kg Powders: 7205.21.0000 Of alloy steel........................................................... kg 7205.29.0000 Other.................................................................... t II. IRON AND NONALLOY STEEL 7206 Iron and nonalloy steel in ingots or other primary forms (excluding iron of heading 7203): 7206.10.0000 Ingots...................................................................... kg 7206.90.0000 Other....................................................................... kg 7207 Semifinished products of iron or nonalloy steel: Containing by weight less than 0.25 percent of carbon: 7207.11.0000 Of rectangular (including square) cross section, the width measuring less than twice the thickness............................ kg 7207.12.0000 Other, of rectangular (other than square) cross section.................................................................. kg 7207.19.0000 Other.................................................................... kg 7207.20.0000 Containing by weight 0.25 percent or more of carbon......................... kg 7208 Flat-rolled products of iron or nonalloy steel, of a width of 600 mm (23.6 inches) or more, hot-rolled, not clad, plated or coated: 7208.10 In coils, not further worked than hot-rolled, with patterns in relief: 7208.10.1500 Pickled.................................................................. kg 7208.10.2500 Other.................................................................... kg Other, in coils, not further worked than hot-rolled, pickled: 7208.25 Of a thickness of 4.75 mm (0.187 inch) or more: 7208.25.3000 Of high-strength steel................................................. kg 7208.25.6000 Other.................................................................. kg 7208.26 Of a thickness of 3 mm (0.118 inch) or more but less than 4.75 mm (0.187 inch): 7208.26.0030 High-strength steel.................................................... kg 7208.26.0060 Other.................................................................. kg 7208.27 Of a thickness of less than 3 mm (0.118 inch): 7208.27.0030 High-strength steel.................................................... kg 7208.27.0060 Other.................................................................. kg Other, in coils, not further worked than hot-rolled: 7208.36 Of a thickness exceeding 10 mm (0.39 inch): 7208.36.0030 High-strength steel.................................................... kg 7208.36.0060 Other.................................................................. kg 7208.37 Of a thickness of 4.75 mm (0.187) or more but not exceeding 10 mm (0.39 inch): 7208.37.0030 High-strength steel.................................................... kg 7208.37.0060 Other.................................................................. kg 7208.38 Of a thickness of 3 mm (0.118 inch) or more but less than 4.75 mm (0.187 inch): 7208.38.0015 High-strength steel.................................................... kg 7208.38.0050 Other.................................................................. kg 7208.39 Of a thickness of less than 3 mm (0.118 inch): 7208.39.0015 High-strength steel.................................................... kg 7208.39.0050 Other.................................................................. kg 7208.40.0000 Not in coils, not further worked than hot-rolled, with patterns in relief.......................................................... kg 7208.51 Of a thickness exceeding 10 mm (0.39 inch): 7208.51.0030 Universal mill plate................................................... kg 7208.51.0050 Other.................................................................. kg 7208.52.0000 Of a thickness of 4.75 mm (0.187 inch) or more but not exceeding 10 mm (0.39 inch).......................................... kg 7208.53.0000 Of a thickness of 3 mm (0.118 inch) or more but less than 4.75 mm (0.187 inch)................................................ kg 7208.54.0000 Of a thickness of less than 3 mm (0.118 inch)............................ kg 7208.90.0000 Other....................................................................... kg 7209 Flat-rolled products of iron or nonalloy steel, of a width of 600 mm (23.6 inches) or more, cold-rolled (cold-reduced), not clad, plated or coated: In coils, not further worked than cold-rolled (cold- reduced): 7209.15.0000 Of a thickness of 3 mm (0.118 inch) or more.............................. kg 7209.16 Of a thickness exceeding 1 mm (0.039 inch) but less than 3 mm (0.118 inch): 7209.16.0010 High-strength steel.................................................... kg 7209.16.0090 Other.................................................................. kg 7209.17 Of a thickness of 0.5 mm (0.02 inch) or more but not exceeding 1 mm (0.039): 7209.17.0010 High-strength steel.................................................... kg 7209.17.0090 Other.................................................................. kg 7209.18 Of a thickness of less than 0.5 mm (0.02 inch): 7209.18.1500 Of high-strength steel................................................. kg Other: 7209.18.2500 Of a thickness of less than 0.361 mm (0.0142 inch) (blackplate).................................................. kg 7209.18.6000 Other............................................................... kg Not in coils, not further worked than cold-rolled (cold- reduced): 7209.25.0000 Of a thickness of 3 mm (0.118 inch) or more.............................. kg 7209.26.0000 Of a thickness exceeding 1 mm (0.039 inch) but less than 3 mm (0.118 inch)................................................... kg 7209.27.0000 Of a thickness of 0.5 mm (0.02 inch) or more but not exceeding 1 mm (0.039 inch).............................................. kg 7209.28.0000 Of a thickness of less than 0.5 mm (0.02 inch)........................... kg 7209.90.0000 Other....................................................................... kg 7210 Flat-rolled products of iron or nonalloy steel, of a width of 600 mm (23.6 inches) or more, clad, plated or coated: Plated or coated with tin: 7210.11.0000 Of a thickness of 0.5 mm (0.02 inch) or more............................. kg 7210.12.0000 Of a thickness of less than 0.5 mm (0.02 inch)........................... kg 7210.20.0000 Plated or coated with lead, including terneplate............................ kg 7210.30 Electrolytically plated or coated with zinc: 7210.30.0030 Of high-strength steel................................................... kg 7210.30.0060 Other.................................................................... kg Otherwise plated or coated with zinc: 7210.41.0000 Corrugated............................................................... kg 7210.49 Other: 7210.49.0030 Of high-strength steel................................................. kg 7210.49.0090 Other.................................................................. kg 7210.50.0000 Plated or coated with chromium oxides or with chromium and chromium oxides......................................................... kg Plated or coated with aluminum: 7210.61.0000 Plated or coated with aluminum-zinc alloys............................... kg 7210.69.0000 Other.................................................................... kg 7210.70.0000 Painted, varnished or coated with plastics.................................. kg 7210.90 Other: 7210.90.1000 Clad..................................................................... kg 7210.90.5000 Other.................................................................... kg 7211 Flat-rolled products of iron or nonalloy steel, of a width of less than 600 mm (23.6 inches) not clad, plated or coated: Not further worked than hot-rolled: 7211.13.0000 Universal mill plate..................................................... kg 7211.14.0000 Other, of a thickness of 4.75 mm (0.187 inch) or more..................................................................... kg 7211.19 Other: 7211.19.3050 Of high-strength steel................................................. kg 7211.19.7050 Other.................................................................. kg Not further worked than cold-rolled (cold reduced): 7211.23 Containing by weight less than 0.25 percent of carbon: 7211.23.1500 Of high-strength steel................................................. kg 7211.23.3050 Other.................................................................. kg 7211.29.3050 Other.................................................................... kg 7211.90.0000 Other....................................................................... kg 7212 Flat-rolled products of iron or nonalloy steel, of a width of less than 600 mm (23.6 inches), clad, plated or coated: 7212.10.0000 Plated or coated with tin................................................... kg 7212.20.0000 Electrolytically plated or coated with zinc................................. kg 7212.30.0000 Otherwise plated or coated with zinc........................................ kg 7212.40.0000 Painted, varnished or coated with plastics.................................. kg 7212.50.0000 Otherwise plated or coated.................................................. kg 7212.60.0000 Clad........................................................................ kg 7213 Bars and rods, hot-rolled, in irregularly wound coils, of iron or nonalloy steel: 7213.10.0000 Concrete reinforcing bars and rods.......................................... kg 7213.20.0000 Other, of free-cutting steel................................................ kg Other: 7213.91 Of circular cross-section measuring less than 14 mm in diameter: 7213.91.3000 Not tempered, not treated and not partly manufac- tured.................................................................. kg Other: 7213.91.4500 Containing by weight 0.6 percent or more of carbon.............................................................. kg 7213.91.6000 Other............................................................... kg 7213.99.0000 Other.................................................................... kg 7214 Other bars and rods of iron or nonalloy steel, not further worked than forged, hot-rolled, hot-drawn or hot-extruded, but including those twisted after rolling: 7214.10.0000 Forged................................................................. kg 7214.20.0000 Concrete reinforcing bars and rods..................................... kg 7214.30.0000 Other, of free-cutting steel........................................... kg 7214.91 Other, rectangular (other than square) cross section: 7214.91.0015 Containing by weight less than 0.25 percent of carbon............................................................ kg 7214.91.0060 Containing by weight 0.25 percent or more but less than 0.6 percent of carbon........................................ kg 7214.91.0090 Containing by weight 0.6 percent or more of carbon................ kg 7214.99 Other: 7214.99.0010 Containing by weight less than 0.25 percent of carbon.............................................................. kg 7214.99.0025 Containing by weight 0.25 percent or more but less than 0.6 percent of carbon.......................................... kg 7214.99.0035 Containing by weight 0.6 percent or more of carbon.................. kg 7215 Other bars and rods, of iron or nonalloy steel: 7215.10.0000 Of free-cutting steel, not further worked than cold-formed or cold-finished........................................................... kg 7215.50 Other; not further worked than cold-formed or cold- finished: 7215.50.0015 Containing by weight less than 0.25 percent of carbon................................................................. kg 7215.50.0060 Containing by weight 0.25 percent or more but less than 0.6 percent of carbon............................................. kg 7215.50.0090 Containing by weight 0.6 percent or more of carbon..................... kg 7215.90.0000 Other...................................................................... kg 7216 Angles, shapes and sections of iron or nonalloy steel: 7216.10.0000 U, I or H sections, not further worked than hot-rolled, hot-drawn or extruded, of a height of less than 80 mm (3.15 inches)............................................................... kg L or T sections, not further worked than hot-rolled, hot-drawn or extruded, of a height of less than 80 mm (3.15 inches): 7216.21.0000 L sections............................................................... kg 7216.22.0000 T sections............................................................... kg U, I or H sections, not further worked than hot-rolled, hot-drawn or extruded, of a height of 80 mm (3.15 inches) or more: 7216.31.0000 U sections............................................................... kg 7216.32.0000 I sections (standard beams).............................................. kg 7216.33.0000 H sections............................................................... kg 7216.40.0000 L or T sections, not further worked than hot-rolled, hot-drawn or extruded, of a height of 80 mm (3.15 inches) or more............................................................. kg 7216.50.0000 Other angles, shapes and sections, not further worked than hot-rolled, hot-drawn or extruded...................................... kg Angles, shapes and sections, not further worked than cold-formed or cold-finished: 7216.61.0000 Obtained from flat-rolled products....................................... kg 7216.69.0000 Other.................................................................... kg Other: 7216.91.0000 Cold-formed or cold-finished from flat-rolled products................... kg 7216.99.0000 Other.................................................................... kg 7217 Wire of iron or nonalloy steel: 7217.10 Not plated or coated, whether or not polished: 7217.10.1510 Containing by weight less than 0.25 percent of carbon................................................................... kg 7217.10.2510 Containing by weight 0.25 percent or more but less than 0.6 percent of carbon............................................... kg 7217.10.7510 Containing by weight 0.6 percent or more of carbon....................... kg 7217.20 Plated or coated with zinc: 7217.20.1010 Containing by weight less than 0.25 percent of carbon................................................................... kg 7217.20.5010 Containing by weight 0.25 percent or more but less than 0.6 percent of carbon............................................... kg 7217.20.9010 Containing by weight 0.6 percent or more of carbon....................... kg 7217.30 Plated or coated with other base metals: 7217.30.1010 Containing by weight less than 0.25 percent of carbon................................................................... kg 7217.30.5010 Containing by weight 0.25 percent or more but less than 0.6 percent of carbon............................................... kg 7217.30.9010 Containing by weight 0.6 percent or more of carbon....................... kg 7217.90.0000 Other....................................................................... kg III. STAINLESS STEEL 7218 Stainless steel in ingots or other primary forms; semifinished products of stainless steel: 7218.10.0000 Ingots and other primary forms.............................................. kg Other: 7218.91.0000 Of rectangular (other than square) cross-section......................... kg 7218.99.0000 Other.................................................................... kg 7219 Flat-rolled products of stainless steel, of a width of 600 mm (23.6 inches) or more: Not further worked than hot-rolled, in coils: 7219.11.0000 Of a thickness exceeding 10 mm (0.39 inch)............................... kg 7219.12.0000 Of a thickness of 4.75 mm (0.187 inch) or more but not exceeding 10 mm (0.39 inch).......................................... kg 7219.13.0000 Of a thickness of 3 mm (0.118 inch) or more but less than 4.75 mm (0.187 inch)................................................ kg 7219.14.0000 Of a thickness of less than 3 mm (0.118 inch)............................ kg Not further worked than hot-rolled, not in coils: 7219.21.0000 Of a thickness exceeding 10 mm (0.39 inch)............................... kg 7219.22.0000 Of a thickness of 4.75 mm (0.187 inch) or more but not exceeding 10 mm (0.39 inch).......................................... kg 7219.23.0000 Of a thickness of 3 mm (0.118 inch) or more but less than 4.75 mm (0.187 inch)................................................ kg 7219.24.0000 Of a thickness of less than 3 mm (0.118 inch)............................ kg Not further worked than cold-rolled (cold-reduced): 7219.31.0000 Of a thickness of 4.75 mm (0.187 inch) or more........................... kg 7219.32.0000 Of a thickness of 3 mm (0.118 inch) or more but less than 4.75 mm (0.187 inch)................................................ kg 7219.33.0000 Of a thickness exceeding 1 mm (0.039 inch) but less than 3 mm (0.118 inch)................................................... kg 7219.34.0000 Of a thickness of 0.5 mm (0.02 inch) or more but not exceeding 1 mm (0.039 inch).............................................. kg 7219.35.0000 Of a thickness of less than 0.5 mm (0.02 inch)........................... kg 7219.90.0000 Other....................................................................... kg 7220 Flat-rolled products of stainless steel, of a width of less than 600 mm (23.6 inches): Not further worked than hot-rolled: 7220.11.0000 Of a thickness of 4.75 mm (0.187 inch) or more........................... kg 7220.12.0000 Of a thickness of less than 4.75 mm (0.187 inch)......................... kg 7220.20.0000 Not further worked than cold-rolled (cold-reduced).......................... kg 7220.90.0000 Other....................................................................... kg 7221.00.0000 Bars and rods, hot-rolled, in irregularly wound coils, of stainless steel............................................................... kg 7222 Other bars and rods of stainless steel; angles, shapes and sections of stainless steel: Bars and rods, not further worked than hot-rolled, hot-drawn or extruded: 7222.11.0000 Of circular cross-section................................................ kg 7222.19.0000 Other.................................................................... kg 7222.20.0000 Bars and rods, not further worked than cold-formed or cold-finished............................................................... kg 7222.30.0000 Other bars and rods......................................................... kg 7222.40.0000 Angles, shapes and sections................................................. kg 7223.00.0000 Wire of stainless steel....................................................... kg IV. OTHER ALLOY STEEL; HOLLOW DRILL BARS AND RODS, OF ALLOY OR NONALLOY STEEL 7224 Other alloy steel in ingots or other primary forms; semifinished products of other alloy steel: 7224.10.0000 Ingots and other primary forms.............................................. kg 7224.90.0000 Other....................................................................... kg 7225 Flat-rolled products of other alloy steel, of a width of 600 mm (23.6 inches) or more: Of silicon-electrical steel: 7225.11.0000 Grain-oriented........................................................... kg 7225.19.0000 Other.................................................................... kg 7225.20.0000 Of high-speed steel......................................................... kg 7225.30.0000 Other, not further worked than hot-rolled, in coils......................... kg 7225.40.0000 Other, not further worked than hot-rolled, not in coils..................... kg 7225.50.0000 Other, not further worked than cold-rolled (cold-reduced).............................................................. kg Other: 7225.91.0000 Electrolytically plated or coated with zinc.............................. kg 7225.92.0000 Otherwise plated or coated with zinc..................................... kg 7225.99.0000 Other.................................................................... kg 7226 Flat-rolled products of other alloy steel, of a width of less than 600 mm (23.6 inches): Of silicon electrical steel: 7226.11.0000 Grain-oriented.......................................................... kg 7226.19.0000 Other................................................................... kg 7226.20.0000 Of high-speed steel........................................................ kg Other: 7226.91.0000 Not further worked than hot-rolled...................................... kg 7226.92 Not further worked than cold-rolled (cold-reduced): 7226.92.2000 Of tool steel (other than high-speed steel).......................... kg 7226.92.4000 Other................................................................ kg 7226.93.0000 Electrolytically plated or coated with zinc............................. kg 7226.94.0000 Otherwise plated or coated with zinc.................................... kg 7226.99.0000 Other................................................................... kg 7227 Bars and rods, hot-rolled, in irregularly wound coils, of other alloy steel: 7227.10.0000 Of high-speed steel....................................................... kg 7227.20.0000 Of silico-manganese steel................................................. kg 7227.90.0000 Other..................................................................... kg 7228 Other bars and rods of other alloy steel; angles, shapes and sections, of other alloy steel; hollow drill bars and rods, of alloy or nonalloy steel: 7228.10.0000 Bars and rods, of high-speed steel........................................ kg 7228.20.0000 Bars and rods, of silico-manganese steel.................................. kg 7228.30 Other bars and rods, not further worked than hot-rolled, hot-drawn or extruded: 7228.30.5000 Of tool steel (other than high-speed steel)........................... kg 7228.30.8000 Other................................................................. kg 7228.40.0000 Other bars and rods, not further worked than forged....................... kg 7228.50 Other bars and rods, not further worked than cold-formed or cold-finished: 7228.50.1000 Of tool steel (other than high-speed steel)........................... kg 7228.50.5000 Other................................................................. kg 7228.60 Other bars and rods: 7228.60.1000 Of tool steel (other than high-speed steel)............................ kg 7228.60.5000 Other.................................................................. kg 7228.70.0000 Angles, shapes and sections............................................... kg 7228.80.0000 Hollow drill bars and rods................................................ kg 7229 Wire of other alloy steel: 7229.10.0000 Of high-speed steel........................................................ kg 7229.20.0000 Of silico-manganese steel.................................................. kg 7229.90.0000 Other...................................................................... kg SECTION XV -- CHAPTER 73 7301 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 7302 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 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 7302.20.0000 Sleepers (cross-ties)....................................................... kg 7302.30.0000 Switch blades, crossing frogs, point rods and other crossing pieces............................................................. kg 7302.40.0000 Fish-plates and sole plates................................................. kg 7302.90.0000 Other....................................................................... kg 7303 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 7304 Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: 7304.10 Line pipe of a kind used for oil or gas pipelines: Of iron or nonalloy steel: 7304.10.1020 Having an outside diameter not exceeding 114.3 mm (4.5 inches) ....................................................... kg 7304.10.1050 Having an outside diameter exceeding 114.3 mm (4.5 inches) but not exceeding 406.4 mm (16 inches) ............................................................... kg 7304.10.1080 Having an outside diameter exceeding 406.4 mm (16 inches) ........................................................... kg Of alloy steel: 7304.10.5020 Having an outside diameter not exceeding 114.3 mm (4.5 inches) ....................................................... kg 7304.10.5050 Having an outside diameter exceeding 114.3 mm (4.5 inches) but not exceeding 406.4 mm (16 inches) ........................................................... kg 7304.10.5080 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: 7304.21 Drill pipe: 7304.21.3000 Of iron or nonalloy steel.............................................. kg 7304.21.6000 Of alloy steel......................................................... kg 7304.29 Other: Casing: 7304.29.1055 Of iron or nonalloy steel........................................... kg 7304.29.3055 Of alloy steel...................................................... kg Tubing: 7304.29.5000 Of iron or nonalloy steel........................................... kg 7304.29.6000 Of alloy steel...................................................... kg Other, of circular cross section, of iron or nonalloy 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 7305 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 7306 Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: 7306.10 Line pipe of a kind used for oil or gas pipelines: 7306.10.1000 Of iron or nonalloy steel................................................ kg 7306.10.5000 Of alloy steel........................................................... kg 7306.20 Casing and tubing of a kind used in drilling for oil or gas: Casing: 7306.20.1500 Of iron or nonalloy steel.............................................. kg 7306.20.2500 Of alloy steel......................................................... kg Tubing: 7306.20.6000 Of iron or nonalloy steel.............................................. kg 7306.20.8000 Of alloy steel......................................................... 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 7306 (con.) Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted etc.--(con.): 7306.30 (con.) Other, welded, of circular cross section, of iron or nonalloy steel (con.): 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 pressure applications........................................................... 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 1.65 mm (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 1.65 mm (0.065 inch).................................................................... kg 7306.50.4500 Having a wall thickness of 1.65 mm (0.065 inch) or more..................................................................... kg 7306.60 Other, welded, of non-circular cross section: 7306.60.2500 Of iron or nonalloy steel................................................ kg 7306.60.6500 Of alloy steel........................................................... kg 7306.90 Other: 7306.90.1000 Of iron or nonalloy steel................................................ kg 7306.90.5000 Of alloy steel........................................................... kg 7307 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 7308 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,