Par. 303. Muck bars, pieces thereof except crop ends, bar iron, and round iron in coils or rods, iron in slabs, blooms, loops, or other forms less finished than iron in bars and more advanced than pig iron, except castings; all the foregoing, valued at not above 11⁄2 cents per pound, three-tenths of 1 cent per pound; valued above 11⁄2 and not above 22 cents per pound, fivetenths of 1 cent per pound; valued above 21⁄2 and not above 31⁄2 cents per pound, eight-tenths of 1 cent per pound; valued above 31⁄2 and not above 5 cents per pound, 1 cent per pound; valued above 5 cents per pound, 11⁄2 cents per pound.

Par. 304. Steel ingots, cogged ingots, blooms and slabs, by whatever process made; die blocks or blanks; billets and bars, whether solid or hollow; shafting; pressed, sheared, or stamped shapes, not advanced in value or condition by any process or operation subsequent to the process of stamping; hammer molds or swaged steel; gun-barrel molds not in bars; concrete reinforcement bars; all descriptions and shapes of dry sand, loam, or iron molded steel castings; sheets and plates and steel not specially provided for; all the foregoing valued at not above 12 cents per pound, threetenths of 1 cent per pound; valued above 11⁄2 and not above 22 cents per pound, five-tenths of 1 cent per pound; valued above 21⁄2 and not above 31⁄2 cents per pound, eight-tenths of 1 cent per pound; valued above 31⁄2 and not above 5 cents per pound, 1 cent per pound; valued above 5 and not above 8 cents per pound, 110 cents per pound; valued above 8 and not above 12 cents per pound, 21⁄2 cents per pound; valued above 12 and not above 16 cents per pound, 31⁄2 cents per pound; valued above 16 cents per pound, 20 per centum ad valorem: Provided, That on steel circular saw plates there shall be levied, collected, and paid an additional duty of one-fourth of 1 cent per pound: Provided further, That on hollow bars and hollow drill steel valued at more than 4 cents per pound there shall be levied, collected, and paid an additional duty of three-fourths of 1 cent per pound.

Par. 305. In addition to the rates of duty provided for in paragraphs 303, 304, 307, 308, 312, 313, 315, 316, 317, 318, 319, 322, 323, 324, 327, and 328 of this schedule, there shall be levied, collected, and paid on all steel or iron in the materials and articles enumerated or described in such paragraphs:

(1) A duty of 8 per centum ad valorem if such steel or iron con

Par. 303. Muck bars, bar iron, and round iron in coils or rods, iron in slabs, blooms, loops, or other forms less finished than iron in bars and more advanced than pig iron, except castings; all of the foregoing, valued at not over 1 cent per pound, two-tenths of 1 cent per pound; valued above 1 cent and not above 12 cents per pound, three-tenths of 1 cent per pound; valued above 11⁄2 and not above 21⁄2 cents per pound, five-tenths of 1 cent per pound; valued above 21⁄2 and not above 32 cents per pound, eighttenths of 1 cent per pound; valued above 31⁄2 and not above 5 cents per pound, 1 cent per pound; valued above 5 cents per pound, 11⁄2 cents per pound.

Par. 304. Steel ingots, cogged ingots, blooms and slabs, by whatever process made; die blocks or blanks; billets and bars, whether solid or hollow; shafting; pressed, sheared, or stamped shapes, not advanced in value or condition by any process or operation subsequent to the process of stamping; hammer molds or swaged steel; gun-barrel molds not in bars; * * * all descriptions and shapes of dry sand, loam, or iron molded steel castings; sheets and plates and steel not specially provided for; all of the foregoing valued at not over 1 cent per pound, two-tenths of 1 cent per pound; valued above 1 cent and not above 12 cents per pound, three-tenths of 1 cent per pound; valued above 11⁄2 and not above 21⁄2 cents per pound, fivetenths of 1 cent per pound; valued above 21⁄2 and not above 31⁄2 cents per pound, eight-tenths of 1 cent per pound; valued above 31⁄2 and not above 5 cents per pound, 1 cent per pound; valued above 5 and not above 8 cents per pound, 110 cents per pound; valued above 8 and not above 12 cents per pound, 21⁄2 cents per pound; valued above 12 and not above 16 cents per pound, 31⁄2 cents per pound; valued above 16 cents per pound, 20 per centum ad valorem: Provided, That on steel circular saw plates there shall be levied, collected and paid an additional duty of one-fourth of 1 cent per pound.

Par. 312. * * * structural shapes of iron or steel, not assembled, manufactured or advanced beyond hammering, rolling, or casting, one-fifth of 1 cent per pound; * *

Par. 305. In addition to the rates of duty provided for in this schedule on steel in all forms and shapes, by whatever process made, and by whatever name designated, whether cast, hot or cold rolled, forged, stamped, or drawn, containing more than six-tenths of 1 per centum of nickel, cobalt, vanadium, chromium, tungsten, molybdenum, or any other metallic element used in

tains more than one-tenth of 1 per centum of vanadium, or more than two-tenths of 1 per centum of tungsten, molybdenum, or chromium, or more than six-tenths of 1 per centum of nickel, cobalt, or any other metallic element used in alloying steel or iron: Provided, That phosphorus shall not be considered as alloying material unless present in the steel or iron in excess of 5 per centum, nor shall manganese or silicon be so considered unless either is present in the steel in excess of 1 per centum, or unless either is present in the iron in excess of 3 per centum; and

(2) an additional cumulative duty of $1 per pound on the vanadium content in excess of onetenth of 1 per centum, 72 cents per pound on the tungsten content in excess of two-tenths of 1 per centum, 65 cents per pound on the molybdenum content in excess of two-tenths of 1 per centum, and 3 cents per pound on the chromium content in excess of two-tenths of 1 per centum.

Par. 306. All metal produced from iron or its ores, which is cast and malleable, of whatever description or form, without regard to the percentage of carbon contained therein, whether produced by cementation, or converted, cast, or made from iron or its ores, by the crucible, electric, Bessemer, ClappGriffith, pneumatic, Thomas-Gilchrist, basic, Siemens-Martin, or open-hearth process, or by the equivalent of either, or by a combination of two or more of the processes, or their equivalents, or by any fusion or other process which produces from iron or its ores a metal either granular or fibrous in structure, which is cast and malleable, excepting what is known as malleable-iron castings, shall be classed and denominated as steel.

Par. 307. Boiler or other plate iron or steel, except crucible plate steel and saw plate steel, not thinner than one hundred and nine one-thousandths of one inch, cut or sheared to shape or otherwise, or unsheared, and skelp iron or steel sheared or rolled in grooves, valued at not above 3 cents per pound, five-tenths of 1 cent per pound; valued at over 3 cents per pound, 20 per centum ad valorem: Provided, That all sheets or plates of iron or steel thinner than one hundred and nine one-thousandths of one inch shall be subject to duty as iron or steel sheets.

alloying steel, there shall be levied, collected, and paid 8 per centum ad valorem: Provided, That manganese and silicon shall not be considered as alloying material unless present in the steel in excess of 1 per centum manganese or silicon: Provided further, That an additional cumulative duty of 65 cents per pound on the molybdenum content in excess of six-tenths of 1 per centum, and 72 cents per pound on the tungsten content in excess of six-tenths of 1 per centum shall be levied, collected, and paid on any material provided for in paragraph 304 containing molybdenum and tungsten.

Par. 306. All metal produced from iron or its ores, which is cast and malleable, of whatever description or form, without regard to the percentage of carbon contained therein, whether produced by cementation, or converted, cast, or made from iron or its ores, by the crucible, electric, Bessemer, Clapp-Griffith, pneumatic, Thomas-Gilchrist, basic, Siemens-Martin, or open-hearth process, or by the equivalent of either, or by a combination of two or more of the processes, or their equivalents, or by any fusion or other process which produces from iron or its ores a metal either granular of fibrous in structure, which is cast and malleable, excepting what is known as malleable-iron castings, shall be classed and denominated as steel.

Par. 307. Boiler or other plate iron or steel, except crucible plate steel and saw plate steel, not thinner than one hundred and nine one-thousandths of one inch, cut or sheared to shape or otherwise, or unsheared, and skelp iron or steel sheared or rolled in grooves, valued at 1 cent per pound or less, seven-twentieths of 1 cent per pound; valued above 1 cent per pound and not above 3 cents per pound, five-tenths of 1 cent per pound; valued at over 3 cents per pound, 20 per centum ad valo. rem: Provided, That all sheets or plates of iron or steel thinner than one hundred and nine one-thousandths of one inch shall pay duty as iron or steel sheets.

Par. 308. Sheets of iron or steel, common or black, of whatever dimensions, and skelp iron or steel, valued at 3 cents per pound or less, thinner than one hundred and nine one-thousandths and not thinner than thirty-eight onethousandths of one inch, forty-five onehundredths of 1 cent per pound; thinner than thirty-eight one-thousandths and not thinner than twenty-two onethousandths of one inch, fifty-five onehundredths of 1 cent per pound; thinner than twenty-two one-thousandths and not thinner than ten one-thousandths of one inch, seventy-five one-hundredths of 1 cent per pound; thinner than ten one-thousandths of one inch, eighty-five one-hundredths of 1 cent per pound; corrugated or crimped, seventy-five one-hundredths of 1 cent per pound; all the foregoing when valued at more than 3 cents per pound, 20 per centum ad valorem: Provided, That all sheets or plates of common or black iron or steel not thinner than one hundred and nine one-thousandths of one inch shall be subject to duty as plate iron or plate steel.

Par. 309. All iron or steel sheets, plates, bars, and rods, and all hoop, band, or scroll iron or steel, excepting what are known commercially as tin plates, terneplates, and taggers tin, when galvanized or coated with zinc, spelter, or other metals, or any alloy of those metals, shall be subject to twotenths of 1 cent per pound more duty than if the same was not so galvanized or coated; sheets or plates composed of iron, steel, copper, nickel, or other metal with layers of other metal or metals imposed thereon by forging, hammering, rolling, or welding, 30 per centum ad valorem; thermostatic metal in sheets, plates, or other forms, 50 per centum ad valorem; sheets and plates of iron or steel, polished, planished, or glanced, by whatever name designated, 14 cents per pound: Provided, That plates or sheets of iron or steel, by whatever name designated, other than polished, planished, or glanced, herein provided for, which have been pickled or cleaned by acid, or by any other material or process, or which are cold-rolled, smoothed only, not polished, shall be subject to two-tenths of 1 cent per pound more duty than the rates provided on corresponding thicknesses of common or black sheet iron or steel.

Par. 310. Sheets or plates of iron or steel, or taggers iron or steel, coated with tin or lead, or with a mixture of which these metals, or either of them, is a component part, by the dipping or any other process, and commercially known as tin plates, terneplates, and taggers tin, 1 cent per pound.

Par. 308. Sheets of iron or steel, common or black, of whatever dimensions, and skelp iron or steel, valued at 3 cents per pound or less, thinner than one hundred and nine one-thousandths and not thinner than thirty-eight onethousandths of an inch, forty-five onehundredths of 1 cent per pound; thinner than thirty-eight one-thousandths and not thinner than twenty-two onethousandths of an inch, fifty-five onehundredths of 1 cent per pound; thinner than twenty-two one-thousandths and not thinner than ten one-thousandths of an inch, seventy-five onehundredths of 1 cent per pound; thinner than ten one-thousandths of an inch, eighty-five one-hundredths of a cent per pound; corrugated or crimped, seventy-five one-hundredths of 1 cent per pound; all the foregoing when valued at more than 3 cents per pound, 20 per centum ad valorem: Provided, That all sheets or plates of common or black iron or steel not thinner than one hundred and nine one-thousandths of an inch shall pay duty as plate iron or plate steel.

Par. 309. All iron or steel sheets, plates, bars, and rods, and all hoop, band, or scroll iron or steel, excepting what are known commercially as tin plates, terneplates, and taggers tin, when galvanized or coated with zinc, spelter, or other metals, or any alloy of those metals, shall pay two-tenths of 1 cent per pound more duty than if the same was not so galvanized or coated; sheets or plates composed of iron, steel, copper, nickel, or other metal with layers of other metal or metals imposed thereon by forging, hammering, rolling, or welding, 30 per centum ad valorem; thermostatic metal in sheets, plates, or other forms, 50 per centum ad valorem; sheets and plates of iron or steel, polished, planished, or glanced, by whatever name designated, 14 cents per pound: Provided, That plates or sheets of iron or steel, by whatever name designated, other than polished, planished, or glanced, herein provided for, which have been pickled or cleaned by acid, or by any other material or process, or which are cold-rolled, smoothed only, not polished, shall pay two-tenths of 1 cent per pound more duty than the rates provided on corresponding thicknesses of common or black sheet iron or steel.

Par. 310. Sheets or plates or iron or steel, or taggers iron or steel, coated with tin or lead, or with a mixture of which these metals, or either of them, is a component part, by the dipping or any other process, and commercially known as tin plates, terneplates, and taggers tin, 1 cent per pound.

Par. 311. No article not specially provided for which is wholly or partly manufactured from tin plate, terneplate, or sheet, plate, hoop, band, or scroll iron or steel, or of which such tinplate, terneplate, sheet, plate, hoop, band, or scroll iron or steel shall be the material of chief value, shall be subject to a lower rate of duty than that imposed on the tinplate, terneplate, or sheet, plate, hoop, band, or scroll iron or steel from which it is made, or of which it shall be the component thereof of chief value.

Par. 312. Beams, girders, joists, angles, channels, car-truck channels, tees, columns and posts, or parts or sections of columns and posts, and deck and bulb beams, together with all other structural shapes of iron or steel, not assembled, manufactured or advanced beyond hammering, rolling, or casting, one-fifth of 1 cent per pound; any of the foregoing machined, drilled, punched, assembled, fitted, fabricated for use, or otherwise advanced beyond hammering, rolling, or casting, 20 per centum ad valorem; sashes and frames of iron or steel, 25 per centum ad valorem; sheet piling, one-fifth of 1 cent per pound.

Par. 313. Hoop, band, and scroll iron or steel, not specially provided for, valued at 3 cents per pound or less, eight inches or less in width, and thinner than three-eighths and not thinner than one hundred and nine one-thousandths of one inch, twenty-five onehundredths of 1 cent per pound; thinner than one hundred and nine one-thousandths and not thinner than thirtyeight one-thousandths of one inch, thirty-five one-hundredths of 1 cent per pound; thinner than thirty-eight onethousandths of one inch, fifty-five onehundredths of 1 cent per pound: Provided, That barrel hoops of iron or steel, and hoop or band iron, or hoop or band steel, flared, splayed, or punched, with or without buckles or fastenings, shall pay no more duty than that imposed on the hoop or band iron or steel from which they are made; bands and strips of iron or steel, whether in long or short lengths, not specially provided for, 25 per centum ad valorem.

Par. 314. Hoop or band iron, and hoop or band steel, cut to lengths, or wholly or partly manufactured into hoops or ties, coated or not coated with paint or any other preparation, with or without buckles or fastenings, for baling cotton or any other commodity, onefourth of 1 cent per pound.

Par. 315. Wire rods: Rivet, screw, fence, and other iron or steel wire rods, whether round, oval, or square, or in any other shape, nail rods and flat rods up to six inches in width ready to be 65661-34-4

Par. 311. No article not specially provided for which is wholly or partly manufactured from tin plate, terneplate, or sheet, plate, hoop, band, or scroll iron or steel, or of which such tin plate, terneplate, sheet, plate, hoop, band, or scroll iron or steel shall be the material of chief value, shall pay a lower rate of duty than that imposed on the tin plate, terneplate, or sheet, plate, hoop, band, or scroll iron or steel from which it is made, or of which it shall be the component thereof of chief value.

Par. 312. Beams, girders, joists, angles, channels, car-truck channels, tees, columns and posts, or parts or sections of columns and posts, deck and bulb beams, and building forms, together with all other structural shapes of iron or steel, not assembled, manufactured or advanced beyond hammering, rolling, or casting, one-fifth of 1 cent per pound; any of the foregoing machined, drilled, punched, assembled, fitted, fabricated for use, or otherwise advanced beyond hammering, rolling, or casting, 20 per centum ad valorem; sashes, frames, and building forms, of iron or steel, 25 per centum ad valorem.

Par. 313. Hoop, band, and scroll iron or steel, not specially provided for, valued at 3 cents per pound or less, eight inches or less in width, and thinner than three-eighths and not thinner than one hundred and nine one-thousandths of one inch, twenty-five onehundredths of 1 cent per pound; thinner than one hundred and nine one-thousandths and not thinner than thirtyeight one-thousandths of one inch, thirty-five one-hundredths of 1 cent per pound; thinner than thirty-eight one-thousandths of one inch, fifty-five one-hundredths of 1 cent per pound: Provided, That barrel hoops of iron or steel, and hoop or band iron, or hoop or band steel, flared, splayed, or punched, with or without buckles or fastenings, shall pay no more duty than that imposed on the hoop or band iron or steel from which they are made; bands and strips of iron or steel, whether in long or short lengths, not specially provided for, 25 per centum ad valorem.

Par. 314. Hoop or band iron, and hoop or band steel, cut to lengths, or wholly or partly manufactured into hoops or ties, coated or not coated with paint or any other preparation, with or without buckles or fastenings, for baling cotton or any other commodity, onefourth of 1 cent per pound.

Par. 315. Wire rods: Rivet, screw, fence, and other iron or steel wire rods, whether round, oval, or square, or in any other shape, nail rods and flat rods up to six inches in width ready to be

drawn or rolled into wire or strips, all the foregoing in coils or otherwise, valued at not over 4 cents per pound, three-tenths of 1 cent per pound; valued at over 4 cents per pound, sixtenths of 1 cent per pound: Provided, That all round iron or steel rods smaller than twenty one-hundredths of one inch in diameter shall be classified and dutiable as wire: Provided further, That all iron or steel wire rods which have been tempered or treated in any manner or partly manufactured shall be subject to an additional duty of onefourth of 1 cent per pound: Provided further, That on all iron or steel bars and rods of whatever shape or section which are cold rolled, cold drawn, cold hammered, or polished in any way in addition to the ordinary process of hot rolling or hammering, there shall be paid one-eighth of 1 cent per pound in addition to the rates provided on bars or rods of whatever section or shape which are hot rolled; and on all strips, plates, or sheets of iron or steel of whatever shape, other than polished, planished, or glanced sheet iron or sheet steel, which are cold hammered, blued, brightened, tempered, or polished by any process to such perfected surface finish or polish better than the grade of cold rolled, smoothed only, there shall be paid two-tenths of 1 cent per pound in addition to the rates provided on plates, strips, or sheets of iron or steel of common or black finish of corresponding thickness or value.

Par. 316. (a) Round iron or steel wire, not smaller than ninety-five onethousandths of one inch in diameter, three-fourths of 1 cent per pound; smaller than ninety-five one-thousandths and not smaller than sixty-five one-thousandths of one inch in diameter, 14 cents per pound; smaller than sixty-five one-thousandths of one inch in diameter, 11⁄2 cents per pound: Provided, That all the foregoing valued above 6 cents per pound shall be subject to a duty of 25 per centum ad valorem; all wire composed of iron, steel, or other metal, not specially provided for (except gold, silver, platinum, tungsten, or molybdenum); all flat wires and all steel in strips not thicker than one-quarter of one inch and not exceeding sixteen inches in width, whether in long or short lengths, in coils or otherwise, and whether rolled or drawn through dies or rolls, or otherwise produced, 25 per centum ad valorem: Provided, That all wire of iron, steel, or other metal coated by dipping, galvanizing, sherardizing, electrolytic, or any other process with zinc, tin, or other metal, shall be subject to a duty of two-tenths of 1 cent per pound in

drawn or rolled into wire or strips, all the foregoing in coils or otherwise, valued at not over 4 cents per pound, three-tenths of 1 cent per pound; valued at over 4 cents per pound, sixtenths of 1 cent per pound: Provided, That all round iron or steel rods smaller than twenty one-hundredths of one inch in diameter shall be classified and dutiable as wire: Provided further, That all iron or steel wire rods which have been tempered or treated in any manner or partly manufactured shall pay an additional duty of one-fourth of 1 cent per pound: Provided further, That on all iron or steel bars and rods of whatever shape or section which are cold rolled, cold drawn, cold hammered, or polished in any way in addition to the ordinary process of hot rolling or hammering, there shall be paid oneeighth of 1 cent per pound in addition to the rates provided on bars or rods of whatever section or shape which are hot rolled; and on all strips, plates, or sheets of iron or steel of whatever shape, other than polished, planished, or glanced sheet iron or sheet steel, which are cold hammered, blued, brightened, tempered, or polished by any process to such perfected surface finish or polish better than the grade of cold rolled, smoothed only, there shall be paid twotenths of 1 cent per pound in addition to the rates provided on plates, strips, or sheets of iron or steel of common or black finish of corresponding thickness or value.

Par. 316. Round iron or steel wire, not smaller than ninety-five one-thousandths of one inch in diameter, threefourths of 1 cent per pound; smaller than ninety-five one-thousandths and not smaller than sixty-five one-thousandths of one inch in diameter, 14 cents per pound; smaller than sixty-five one-thousandths of one inch in diameter, 11⁄2 cents per pound: Provided, That all of the foregoing valued above 6 cents per pourd shall pay a duty of 25 per centum ad valorem; all wire composed of iron, steel, or other metal, nor specially provided for (except gold, silver, or platinum); all flat wires and all steel in strips not thicker than onequarter of one inch and not exceeding sixteen inches in width, whether in long or short lengths, in coils or otherwise, and whether rolled or drawn through dies or rolls, or otherwise produced, 25 per centum ad valorem: Provided, That all wire of iron, steel, or other metal coated by dipping, galvanizing, sherardizing, electrolytic, or any other process with zinc, tin, or other metal, shall pay a duty of two-tenths of 1 cent per pound in addition to the rate imposed on the wire of which it is made;