Cold-drawn or cold-rolled (cold-reduced)
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. > Other, of circular cross-section, of iron or non-alloy steel: > Cold-drawn or cold-rolled (cold-reduced)
Duty Rate (from China)
Products classified under Tariff item 7304.31.00
Boiler Economizer Tube
A cold-rolled seamless steel tube designed for economizer sections in recovery boilers, enhancing preheating efficiency through improved heat transfer. Its non-alloy composition offers cost-effective performance for high-volume industrial applications. This product falls under tariff item 7304.31.00 as a cold-drawn or cold-rolled seamless tube of iron or non-alloy steel with a circular cross-section.
Cold-Drawn Boiler Tube ASTM A179
A seamless carbon steel tube, cold-drawn with a circular cross-section, specifically designed for fire-tube boilers to convey high-pressure steam and water. It meets ASTM A179 specifications for low-carbon steel, ensuring reliable performance in demanding thermal environments. This product is classified under 7304.31.00 as a cold-drawn seamless tube of non-alloy steel.
Cold-Drawn Evaporator Condenser Tube
A seamless tube designed for evaporator-condenser circuits in refining distillation columns, offering efficient heat transfer in demanding process conditions. Its cold-drawn construction ensures precise dimensional tolerances and enhanced mechanical properties. This product falls under 7304.31.00 as a cold-drawn seamless tube of non-alloy steel with circular cross-section.
Cold-Drawn Hollow Bar for Axle Housings
Cold-drawn seamless non-alloy steel hollow bar, 70mm outer diameter with a 7mm wall, used for axle housing tubes. The cold-drawing process imparts precise dimensions and a smooth surface, making it suitable for automotive applications.
Cold-Drawn S20C Hollow Bar
Cold-drawn seamless non-alloy steel hollow bar, 50mm outer diameter with a 5mm wall, made from JIS S20C steel for general machinery. The cold-drawing process ensures tight tolerances and improved mechanical properties.
Cold-Drawn Seamless Steel Antenna Mast Tube
Cold-drawn seamless non-alloy steel tube sections used to construct telescoping antenna masts. The cold-drawing process provides precise dimensions and a smooth surface, making it suitable for antenna applications. This product falls under tariff item 7304.31.00 as a cold-drawn seamless tube of circular cross-section made of iron or non-alloy steel.
Cold-Drawn Seamless Steel Flagpole Shaft Tube
Cold-drawn seamless non-alloy steel tube serving as the main shaft for outdoor flagpoles. The cold-drawing process ensures a uniform wall thickness and high strength, ideal for supporting flags in various weather conditions. This product is classified under tariff item 7304.31.00 as a cold-drawn seamless tube of circular cross-section made of iron or non-alloy steel.
Cold-Drawn Seamless Steel Furniture Frame Tube
Lightweight cold-drawn seamless non-alloy steel tube used in the structural frames of modern furniture. The cold-drawing process provides a smooth finish and precise dimensions, making it suitable for furniture applications. This product falls under tariff item 7304.31.00 as a cold-drawn seamless tube of circular cross-section made of iron or non-alloy steel.
Cold-Drawn Seamless Steel Handlebar Tube
Cold-drawn seamless non-alloy steel tube shaped for bicycle or motorcycle handlebars. The cold-drawing process ensures precise dimensions and high strength, essential for handlebar applications. This product is classified under tariff item 7304.31.00 as a cold-drawn seamless tube of circular cross-section made of iron or non-alloy steel.
Cold-Drawn Seamless Steel Hollow Bar 1020 Grade
Seamless cold-drawn hollow bar made from low-carbon non-alloy steel (SAE 1020), with a circular cross-section, 50mm outer diameter, and 5mm wall thickness. This product is used in various mechanical applications requiring precision and strength.
Cold-Drawn Seamless Steel Hydraulic Tube
A seamless tube made from non-alloy steel, cold-drawn to precise tolerances for use in hydraulic systems and cylinders. The cold-drawing process ensures a smooth internal surface and accurate dimensions, critical for hydraulic applications. This product falls under tariff item 7304.31.00 as a cold-drawn seamless tube of circular cross-section made of iron or non-alloy steel.
Cold-Drawn Seamless Steel Shock Absorber Tube
High-precision cold-drawn seamless non-alloy steel tube used in automotive shock absorbers for smooth piston movement. The cold-drawing process provides a precise internal surface and tight tolerances, essential for shock absorber performance. This product is classified under tariff item 7304.31.00 as a cold-drawn seamless tube of circular cross-section made of iron or non-alloy steel.
Cold-Drawn Seamless Steel Trolley Frame Tube
Cold-drawn seamless non-alloy steel tubes forming frames for industrial trolleys and carts. The cold-drawing process provides strength and durability, suitable for demanding industrial applications. This product falls under tariff item 7304.31.00 as a cold-drawn seamless tube of circular cross-section made of iron or non-alloy steel.
Cold-Drawn Seamless Steel Umbrella Rib Tube
Thin cold-drawn seamless non-alloy steel tubes forming the rib structure of large umbrellas. The cold-drawing process allows for thin walls while maintaining strength, ideal for umbrella ribs. This product is classified under tariff item 7304.31.00 as a cold-drawn seamless tube of circular cross-section made of iron or non-alloy steel.
Cold-Drawn U-Tube for Heat Exchangers
A seamless cold-formed U-shaped carbon steel tube for removable bundles in process heat exchangers, featuring a non-alloy composition with 0.8-2.0 mm wall thickness. Its U-shape design accommodates thermal expansion in refining service, ensuring reliable performance under temperature fluctuations. This product is classified under 7304.31.00 as a cold-drawn seamless tube of non-alloy steel.
Cold-Formed Hollow Steel Bar for Frames
Cold-formed seamless non-alloy steel hollow bar, 38mm outer diameter with a 3.8mm wall, used for machine frames. The cold-forming process provides dimensional accuracy and a smooth finish, suitable for structural applications.
Cold-Reduced Heat Exchanger Tube ASTM A213 T11
A seamless cold-reduced carbon steel tube, an ASTM A179 variant designed for shell-and-tube heat exchangers in refining operations. Its thin wall and circular profile facilitate efficient heat transfer while maintaining structural integrity. This product falls under 7304.31.00 as a cold-drawn or cold-rolled seamless tube of non-alloy steel.
Cold-Reduced Seamless Hollow Bar 35mm OD
Cold-reduced seamless hollow bar of non-alloy steel, 35mm outer diameter with a 3.5mm wall, used for furniture frame tubing. The cold-reduction process enhances strength and precision, making it ideal for lightweight structural applications.
Cold-Reduced Seamless Steel Display Stand Tube
Cold-reduced seamless non-alloy steel tubes for retail display stands and shelving supports. The cold-reduction process provides a smooth finish and precise dimensions, suitable for display applications. This product falls under tariff item 7304.31.00 as a cold-reduced seamless tube of circular cross-section made of iron or non-alloy steel.
Cold-Reduced Seamless Steel Instrumentation Tubing
Cold-reduced seamless tube from non-alloy steel for instrumentation and control systems in industrial machinery. The cold-reduction process ensures precise dimensions and a smooth surface, critical for instrumentation applications. This product is classified under tariff item 7304.31.00 as a cold-reduced seamless tube of circular cross-section made of iron or non-alloy steel.
Cold-Reduced Seamless Steel Medical Equipment Tube
Precision cold-reduced seamless non-alloy steel tube for hospital bed frames and medical carts. The cold-reduction process provides a smooth finish and precise dimensions, suitable for medical equipment applications. This product falls under tariff item 7304.31.00 as a cold-reduced seamless tube of circular cross-section made of iron or non-alloy steel.
Cold-Rolled Hydraulic Cylinder Tube Stock
Precision cold-rolled seamless hollow bar, 80mm outer diameter with an 8mm wall, made of non-alloy steel for machining hydraulic cylinder barrels. The cold-rolling process ensures high dimensional accuracy and a smooth surface finish.
Cold-Rolled Round Hollow Profile 42mm
Cold-rolled seamless non-alloy steel hollow profile, 42mm outer diameter with a 4.2mm wall, used for tooling applications. The cold-rolling process provides precise dimensions and improved mechanical properties.
Cold-Rolled Seamless Steel Bicycle Frame Tube
High-strength cold-rolled seamless non-alloy steel tubing for bicycle frames, offering lightweight durability. The cold-rolling process provides a smooth finish and precise dimensions, ideal for bicycle frame applications. This product is classified under tariff item 7304.31.00 as a cold-rolled seamless tube of circular cross-section made of iron or non-alloy steel.
Cold-Rolled Seamless Steel Gym Equipment Tube
Cold-rolled seamless non-alloy steel tubing for weightlifting racks and gym machine frames. The cold-rolling process provides strength and durability, suitable for demanding gym equipment applications. This product falls under tariff item 7304.31.00 as a cold-rolled seamless tube of circular cross-section made of iron or non-alloy steel.
Cold-Rolled Seamless Steel Pneumatic Cylinder Tube
Precision cold-rolled seamless tube of non-alloy steel designed for pneumatic cylinders in automation equipment. The cold-rolling process ensures a smooth internal surface and precise dimensions, critical for pneumatic applications. This product is classified under tariff item 7304.31.00 as a cold-rolled seamless tube of circular cross-section made of iron or non-alloy steel.
Cold-Rolled Seamless Steel Roll Cage Tube
High-tensile cold-rolled seamless non-alloy steel tubing for racing roll cages. The cold-rolling process provides high strength and precise dimensions, essential for safety-critical roll cage applications. This product falls under tariff item 7304.31.00 as a cold-rolled seamless tube of circular cross-section made of iron or non-alloy steel.
Cold-Rolled Steel Hollow Bar for Automotive Shafts
Precision cold-rolled seamless hollow bar of non-alloy steel, 40mm outer diameter with a 4mm wall, designed for manufacturing drive shafts in vehicles. The cold-rolling process ensures high strength and dimensional accuracy.
Cold-Rolled Superheater Element Tube
A seamless tube element for pendant superheater assemblies in coal-fired boilers, cold-formed for shop fabrication and designed to withstand high-temperature steam conditions. Its non-alloy steel composition offers a cost-effective solution for superheater applications. This product is classified under 7304.31.00 as a cold-drawn or cold-rolled seamless tube of non-alloy steel.
Condenser Service Seamless Steel Tube
A cold-drawn seamless non-alloy steel tube optimized for surface condensers in steam power plants, with enhanced corrosion resistance for cooling water duty. Its circular cross-section and cold-rolled finish ensure tight dimensional tolerances for reliable condenser performance. This product falls under 7304.31.00 as a cold-drawn seamless tube of non-alloy steel.
Cracking Furnace Tube Alloy Substitute
A cold-drawn seamless tube functioning as a non-alloy alternative in ethylene cracking furnaces, with a circular profile that resists creep at high temperatures up to 900°C. Its design offers a cost-effective solution for refining furnace applications while maintaining performance. This product is classified under 7304.31.00 as a cold-drawn seamless tube of non-alloy steel.
Deaerator Heater Tube
A seamless cold-rolled tube bundle for deaerating feedwater heaters, designed to remove dissolved oxygen from boiler feedwater. Its non-alloy steel construction provides reliable performance in feedwater heating applications. This product falls under 7304.31.00 as a cold-drawn or cold-rolled seamless tube of non-alloy steel.
DOM Cold-Drawn Hollow Steel Bar
Drawn-over-mandrel (DOM) cold-drawn seamless hollow bar, non-alloy steel, 45mm outer diameter with a 4.5mm wall, used for shafts. The DOM process provides superior concentricity and surface finish.
Feedwater Heater Tube SA-210
An ASME SA-210 Grade A1 cold-drawn seamless carbon steel tube for economizer and feedwater heaters in utility boilers, featuring high thermal conductivity for efficient heat transfer. Its medium wall thickness and circular cross-section facilitate bundle insertion and reliable operation. This product is classified under 7304.31.00 as a cold-drawn seamless tube of non-alloy steel.
Mechanical Hollow Bar Cold-Rolled 1045
Cold-rolled seamless 1045 medium-carbon non-alloy steel hollow bar, 65mm outer diameter with a 6.5mm wall, used for gears and shafts. The cold-rolling process enhances strength and wear resistance.
Nonalloy Cold-Reduced Hollow Mechanical Bar
General-purpose cold-reduced seamless hollow bar, non-alloy steel, 48mm outer diameter with a 4.8mm wall. This product is used in various mechanical applications requiring precision and strength.
Nonalloy Steel Hollow Bar for Bicycle Frames
Cold-drawn seamless hollow bar, 25.4mm outer diameter with a 2mm wall, made of non-alloy steel for high-end bicycle frame construction. The cold-drawing process provides lightweight strength and precise dimensions.
Precision Cold-Reduced Steel Hollow Profile
Cold-reduced seamless hollow bar, 30mm outer diameter with a 3mm wall, made of non-alloy steel for robotic arm components. The cold-reduction process ensures high precision and strength.
SAE 1018 Cold-Drawn Hollow Steel Bar
Seamless cold-drawn hollow bar in SAE 1018 non-alloy steel, 60mm outer diameter with a 6mm wall thickness, used for hydraulic cylinder bodies. The cold-drawing process provides a smooth surface and precise dimensions.
ST37 Cold-Drawn Hollow Bar
DIN ST37 non-alloy steel cold-drawn hollow bar, 55mm outer diameter with a 5.5mm wall, used for construction machinery. The cold-drawing process ensures dimensional accuracy and strength.