HS 48 Paper and paperboard; articles of paper pulp, of paper or paperboard
HS 4804 Uncoated kraft paper and paperboard, in rolls or sheets, other than that of heading 4802 or 4803:
HS 4804.31 Other kraft paper and paperboard weighing 150 g/m² or less:
HS 4804.31.20 Unbleached: Condenser paper: Other
HS 4805 Other uncoated paper and paperboard, in rolls or sheets, not further worked or processed than as specified in note 3 to this chapter:
HS 4805.91 Other:
HS 73 Iron or steel articles
HS 7304 Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel:
HS 7304.39 Other, of circular cross section, of iron or nonalloy steel:
HS 7304.39.00 Other
HS 7304.39.00.08
Other Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters: Having an outside diameter exceeding 285.8 mm
Iron or steel articles: Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: Other, of circular cross section, of iron or nonalloy steel: Other Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters: Having an outside diameter exceeding 285.8 mm
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HS 7304.41 Other, of circular cross section, of stainless steel:
HS 7304.41.60 Cold-drawn or cold-rolled (cold-reduced): Other
HS 7304.41.60.15
Cold-drawn or cold-rolled (cold-reduced): Other Other: Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
Iron or steel articles: Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: Other, of circular cross section, of stainless steel: Cold-drawn or cold-rolled (cold-reduced): Other Other: Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
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HS 7304.49 Other, of circular cross section, of stainless steel:
HS 7304.49.00 Other
HS 7304.49.00.45
Other Other: Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
Iron or steel articles: Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: Other, of circular cross section, of stainless steel: Other Other: Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
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HS 7304.59 Other, of circular cross section, of other alloy steel:
HS 7304.59.20 Other: Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
HS 7304.59.20.40
Other: Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters Having an outside diameter less than 38.1 mm
Iron or steel articles: Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: Other, of circular cross section, of other alloy steel: Other: Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters Having an outside diameter less than 38.1 mm
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HS 7306 Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel:
HS 7306.30 Other, welded, of circular cross section, of iron or nonalloy steel:
HS 7306.30.50 Having a wall thickness of 1.65 mm or more: Other
HS 7306.30.50.10
Having a wall thickness of 1.65 mm or more: Other Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold drawn
Iron or steel articles: Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: Other, welded, of circular cross section, of iron or nonalloy steel: Having a wall thickness of 1.65 mm or more: Other Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold drawn
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HS 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
HS 8404 Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers); condensers for steam or other vapor power units; parts thereof:
HS 8404.10 Auxiliary plant for use with boilers of heading 8402 or 8403
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