Other
Other tubes, pipes and hollow profiles (for example, open seam or welded, riveted or similarly closed), of iron or steel. > Other
Duty Rate (from China)
Subheadings
Products classified under Tariff item 7306.90
17-4PH Stainless Alloy Steel Hollow Bar
A precipitation-hardened 17-4PH stainless alloy steel hollow bar, machined from tube for use in valve bodies and pump shafts. It qualifies as an 'other' tube or hollow profile of iron or steel under tariff item 7306.90.00 because it is not specifically classified elsewhere in the chapter.
7306.90.00Alloy Steel Bicycle Frame Tube Set
A pre-cut, mitered tube set made from 4130 chromoly alloy steel, intended for custom bicycle frame fabrication. Each individual tube is classified under tariff item 7306.90.00 as an 'other' alloy steel hollow profile, as they are not welded or seamless tubes of a specific type listed elsewhere.
7306.90.00Alloy Steel DOM Tubing for Automotive Roll Cages
Drawn-over-mandrel (DOM) tubing made from 4130 alloy steel, with a round profile, used for racing car roll cage construction. It falls under tariff item 7306.90.00 as an 'other' tube of alloy steel, not being a line pipe, casing, or other specific type.
7306.90.00Alloy Steel Fitness Equipment Frame Tube
DOM or welded 4130 alloy steel tubing used for weightlifting racks and gym equipment frames. It is classified under tariff item 7306.90.00 as an 'other' hollow profile of alloy steel, as it is not a specific type of tube listed elsewhere in the chapter.
7306.90.00Alloy Steel Furniture Frame Tubing
Welded oval or rectangular tubing made from 4130 or 4140 alloy steel, used for high-end office furniture legs and frames. It falls under tariff item 7306.90.00 as an 'other' hollow profile of alloy steel, not being a structural section of heading 7308.
7306.90.00Alloy Steel Gun Barrel Blank Tube
Deep-hole drilled 4140/416R alloy steel blanks used for rifle barrel manufacturing. It is classified under tariff item 7306.90.00 as an 'other' hollow profile of alloy steel, as it is not a specific type of tube listed elsewhere in the chapter.
7306.90.00Alloy Steel Heat Exchanger Tubing
U-bent or straight tubes made from Alloy 800H/825, used for shell-and-tube heat exchangers in chemical processing. It is classified under tariff item 7306.90.00 as an 'other' alloy steel tube, excluding boiler or precision types.
7306.90.00Alloy Steel Hydraulic Cylinder Tube
Seamless or welded tube made from alloy steel, precision-honed on the interior for use in hydraulic and pneumatic cylinders. It falls under tariff item 7306.90.00 as an 'other' tube of alloy steel, not specified elsewhere in the heading.
7306.90.00Alloy Steel Mechanical Tubing 4140 Grade
Cold-drawn or hot-rolled tubing made from 4140 chrome-moly alloy steel, used for shafts, axles, and structural components in heavy equipment. It is classified under tariff item 7306.90.00 for welded or open-seamed hollow profiles of alloy steel.
7306.90.00Alloy Steel Scaffolding Pipe Adapter Tube
Short adapter tubes made from high-strength alloy steel, used to connect standard scaffolding pipes. It is classified under tariff item 7306.90.00 as an 'other' welded alloy steel tube for construction equipment.
7306.90.00Chrome-Moly P91 Alloy Boiler Tube
High-temperature P91 (9Cr-1Mo) alloy steel tube used for supercritical boiler superheaters and reheaters. It is classified under tariff item 7306.90.00 as an 'other' alloy steel tube, excluding line pipe or casing applications.
7306.90.00ERW Steel Conduit Pipe
ERW steel conduit pipe is an electric resistance welded tube of nonalloy steel, used to protect electrical wiring in buildings. It is a hollow profile of iron or nonalloy steel, not further worked than welded, and falls under tariff item 7306.90.00 as 'Other' tubes, pipes, and hollow profiles.
7306.90.00Galvanized Steel Fence Post Tube
Galvanized steel fence post tube is a welded hollow steel tube of nonalloy steel, typically 2-3 inches in diameter, used as fence posts in agricultural and residential fencing. It is a hollow profile of iron or nonalloy steel, not further worked than welded, and falls under tariff item 7306.90.00 as 'Other' tubes, pipes, and hollow profiles.
7306.90.00Galvanized Steel Strut Channel Insert Tube
Galvanized steel strut channel insert tube is a small diameter nonalloy steel tube used as an insert for metal strut channels in electrical and mechanical supports. It is a hollow profile of iron or nonalloy steel, not further worked than welded, and falls under tariff item 7306.90.00 as 'Other' tubes, pipes, and hollow profiles.
7306.90.00High-Pressure Alloy Steel Accumulator Shell
Cylindrical shells made from 4340 or 300M alloy steel, used for hydraulic accumulators storing pressurized fluid. It is classified under tariff item 7306.90.00 as a welded or seamless pressure vessel under tube dimensions.
7306.90.00Iron Chimney Flue Liner Tube
Iron chimney flue liner tube is a single-wall nonalloy steel tube used for chimney flue liners in masonry fireplaces, with a 6-inch diameter. It is a hollow profile of iron or nonalloy steel, not further worked than welded, and falls under tariff item 7306.90.00 as 'Other' tubes, pipes, and hollow profiles.
7306.90.00Iron Drive Shaft Tube
Iron drive shaft tube is a welded tube of nonalloy iron or steel used for propeller drive shafts in small machinery, with splined ends. It is a hollow profile of iron or nonalloy steel, not further worked than welded, and falls under tariff item 7306.90.00 as 'Other' tubes, pipes, and hollow profiles.
7306.90.00Iron Furniture Leg Tube
Iron furniture leg tube is a nonalloy steel tube for table and chair legs, 1-inch diameter, in pre-cut lengths. It is a hollow profile of iron or nonalloy steel, not further worked than welded, and falls under tariff item 7306.90.00 as 'Other' tubes, pipes, and hollow profiles.
7306.90.00Nitrided Alloy Steel Mandrel Bar Tube
Surface-nitrided 4340 alloy steel hollow mandrel bars used in tube drawing operations. It is classified under tariff item 7306.90.00 as a specialized alloy steel hollow profile in metalworking.
7306.90.00Nonalloy Steel Awning Support Tube
Nonalloy steel awning support tube is a square hollow section tube of nonalloy steel for retractable awning supports, 2x2 inch. It is a hollow profile of iron or nonalloy steel, not further worked than welded, and falls under tariff item 7306.90.00 as 'Other' tubes, pipes, and hollow profiles.
7306.90.00Nonalloy Steel Exhaust Tube
Nonalloy steel exhaust tube is a welded tube of iron or nonalloy steel for automotive exhaust systems, straight or slightly bent, with wall thickness under 16 mm. It is a hollow profile of iron or nonalloy steel, not further worked than welded, and falls under tariff item 7306.90.00 as 'Other' tubes, pipes, and hollow profiles.
7306.90.00Nonalloy Steel Flagpole Tube
Nonalloy steel flagpole tube is a tapered welded tube of nonalloy steel for outdoor flagpoles, with a 2.375-inch top diameter. It is a hollow profile of iron or nonalloy steel, not further worked than welded, and falls under tariff item 7306.90.00 as 'Other' tubes, pipes, and hollow profiles.
7306.90.00Rolled Alloy Steel Exhaust Tubing
Mandrel-bent tubing made from 409/439 ferritic alloy steel, used for automotive exhaust manifolds. It is classified under tariff item 7306.90.00 as a welded alloy steel tube in vehicle exhaust systems.
7306.90.00Steel Greenhouse Frame Tube
Steel greenhouse frame tube is a welded nonalloy steel tube, 1.66-inch OD, for hoop house greenhouse frames. It is a hollow profile of iron or nonalloy steel, not further worked than welded, and falls under tariff item 7306.90.00 as 'Other' tubes, pipes, and hollow profiles.
7306.90.00Steel Roll Cage Tube
Steel roll cage tube is a nonalloy steel tube, 1.5-inch diameter, for off-road vehicle roll cages, cold-formed and welded. It is a hollow profile of iron or nonalloy steel, not further worked than welded, and falls under tariff item 7306.90.00 as 'Other' tubes, pipes, and hollow profiles.
7306.90.00Steel Scaffolding Tube
Steel scaffolding tube is a welded nonalloy steel tube, 48.3 mm outer diameter, used in modular scaffolding systems for construction. It is a hollow profile of iron or nonalloy steel, not further worked than welded, and falls under tariff item 7306.90.00 as 'Other' tubes, pipes, and hollow profiles.
7306.90.00Steel Tent Pole Tube
Steel tent pole tube is a lightweight welded nonalloy steel tube for collapsible tent poles, 0.75-inch diameter. It is a hollow profile of iron or nonalloy steel, not further worked than welded, and falls under tariff item 7306.90.00 as 'Other' tubes, pipes, and hollow profiles.
7306.90.00Welded Alloy Steel Square Hollow Section
ERW welded square hollow structural section (HSS) made from alloy steel grades like A500 or A513, used in construction frameworks and machine bases. It fits tariff item 7306.90.00 as an 'other' hollow profile of alloy steel, distinct from circular sections.
7306.90.00Welded Steel Bird Feeder Tube
Welded steel bird feeder tube is a nonalloy steel tube section for hanging bird feeder poles, with a powder-coated finish. It is a hollow profile of iron or nonalloy steel, not further worked than welded, and falls under tariff item 7306.90.00 as 'Other' tubes, pipes, and hollow profiles.
7306.90.00Welded Steel Handrail Tube
Welded steel handrail tube is a nonalloy steel tube, 1.5-inch schedule 40, for stair handrails in commercial buildings. It is a hollow profile of iron or nonalloy steel, not further worked than welded, and falls under tariff item 7306.90.00 as 'Other' tubes, pipes, and hollow profiles.