Chapter 7229 — Customs Tariff Headings
Products classified under Tariff item 72.29
0.6mm Ultra-Fine Copper-Plated Silico-Manganese Welding Wire
Ultra-fine 0.6 mm copper-plated round wire made from low-carbon silico-manganese steel, used for precision electric arc welding in thin-sheet applications. The copper coating improves arc stability and conductivity, and the silico-manganese composition (Mn >0.9%, Si >0.6%) qualifies it as other alloy steel wire under tariff item 7229.20.00.
7229.20.000.8mm Copper-Coated ER70Si Silico-Manganese Welding Wire
0.8 mm copper-coated round wire of ER70Si-grade silico-manganese steel, designed for gas-shielded electric arc welding in automotive and fabrication industries. The silico-manganese composition (C <0.20%, Mn >0.9%, Si >0.6%) meets the definition of other alloy steel, and the wire form fits tariff item 7229.20.00.
7229.20.001.0mm Copper-Coated Silico-Manganese Steel Arc Wire Spool
Spool-wound 1.0 mm round copper-plated wire made from silico-manganese alloy steel, used for electric arc welding in construction. The low carbon content (<0.20%) and high manganese and silicon levels classify it as other alloy steel wire under tariff item 7229.20.00.
7229.20.001.2mm Copper-Clad Silico-Manganese Welding Consumable
1.2 mm copper-clad round consumable wire from silico-manganese steel, used for GMAW electric arc welding processes. The cladding provides lubricity and arc focus, while the alloy composition (C <0.20%, Mn >0.9%, Si >0.6%) places it under tariff item 7229.20.00 as wire of silico-manganese steel.
7229.20.001.2mm Copper-Plated Silico-Manganese MIG Welding Wire
High-performance 1.2 mm diameter round copper-coated wire made from silico-manganese steel alloy, optimized for MIG electric arc welding of structural steel. The copper plating enhances electrical conductivity and corrosion resistance, and the alloy composition meets the definition of silico-manganese steel under tariff item 7229.20.00.
7229.20.001.4mm Copper-Coated Low-Carbon Silico-Manganese Filler Wire
Round 1.4 mm copper-plated filler wire of silico-manganese steel alloy, tailored for electric arc welding in shipbuilding and pipelines. The low carbon (<0.20%) and high manganese and silicon content classify it as other alloy steel wire under tariff item 7229.20.00, with the copper plating ensuring smooth arc initiation.
7229.20.001.4mm Silico-Manganese MAG Welding Wire
1.4 mm round MAG welding wire of silico-manganese steel, used in European MAG welding processes for heavy fabrication with stable arc characteristics. The composition (C <0.20%, Mn >0.9%, Si >0.6%) classifies it as wire of silico-manganese steel under tariff item 7229.20.00.
7229.20.001.6mm Copper-Plated Silico-Manganese MAG Welding Wire
1.6 mm diameter copper-coated round wire from silico-manganese steel, engineered for MAG electric arc welding in heavy fabrication. The copper layer prevents oxidation and improves electrical contact, while the alloy composition (C <0.20%, Mn >0.9%, Si >0.6%) qualifies it as wire of silico-manganese steel under tariff item 7229.20.00.
7229.20.00Copper-Coated Silico-Manganese Welding Wire 1.0mm
Round wire of silico-manganese steel with a diameter of 1.0 mm, plated with copper for corrosion protection and conductivity, specifically used in electric arc welding. The composition (C <0.20%, Mn >0.9%, Si >0.6%) meets the definition of silico-manganese steel, placing it under tariff item 7229.20.00.
7229.20.00ER71T Silico-Manganese Arc Welding Wire 1.0mm
1.0 mm round silico-manganese steel wire (ER71T grade) for electric arc welding, featuring a composition of <0.20% carbon, >0.9% manganese, and >0.6% silicon. It provides deep penetration and crack resistance in structural steel welds, and is classified under tariff item 7229.20.00 as wire of silico-manganese steel.
7229.20.00Low-Carbon Silico-Manganese MIG Welding Wire 1.2mm
1.2 mm diameter round wire of silico-manganese steel for GMAW (MIG) welding, with <0.20% carbon, >0.9% manganese, and >0.6% silicon. Designed for welding mild steel with superior arc stability and minimal spatter, it falls under tariff item 7229.20.00.
7229.20.00Silico-Manganese Alloy Music Wire
Ultra-high tensile silico-manganese steel wire used for piano wires, springs, and precision instruments requiring consistent elasticity. This wire is classified under tariff item 7229.20.00 as it is made of silico-manganese steel, a specific alloy steel defined in Chapter 72.
7229.20.00Silico-Manganese Alloy Steel Cable Wire
Drawn silico-manganese steel wire used as input for wire rope and overhead transmission cables. The high tensile strength and corrosion resistance of the alloy make it suitable for these applications, and it is classified under tariff item 7229.20.00 as wire of silico-manganese steel.
7229.20.00Silico-Manganese Alloy Steel Fence Wire
Drawn wire from silico-manganese steel used for agricultural fencing and chain-link barriers, offering corrosion resistance and tensile strength. It is classified under tariff item 7229.20.00 as wire of silico-manganese steel, provided it is not further worked into finished fencing panels.
7229.20.00Silico-Manganese Alloy Steel Lock Wire
Silico-manganese alloy steel lock wire, soft annealed, used for safety wiring in aerospace and machinery to secure fasteners. The alloy composition provides kink resistance and consistent performance, classifying it under tariff item 7229.20.00 as wire of silico-manganese steel.
7229.20.00Silico-Manganese E70C-6M Welding Wire 1.6mm
1.6 mm diameter E70C-6M grade round wire from silico-manganese steel, optimized for gas-shielded arc welding in automotive and structural fabrication. The composition (C <0.20%, Mn >0.9%, Si >0.6%) meets the silico-manganese steel definition, classifying it under tariff item 7229.20.00.
7229.20.00Silico-Manganese ER70S-6 Welding Wire
Round welding wire with a diameter of 1.5 mm, made from silico-manganese steel containing less than 0.20% carbon, over 0.9% manganese, and more than 0.6% silicon. Specifically formulated for electric arc welding in MIG processes, it is classified under tariff item 7229.20.00.
7229.20.00Silico-Manganese Reinforcement Mesh Wire
Silico-manganese reinforcement mesh wire, used in welded wire mesh for concrete reinforcement in construction. The alloy provides superior strength compared to carbon steel, and as wire of silico-manganese steel, it falls under tariff item 7229.20.00.
7229.20.00Silico-Manganese Spring Steel Wire
Cold-drawn wire of silico-manganese steel designed for manufacturing compression and extension springs in automotive suspensions. This wire is classified under tariff item 7229.20.00 because it is specifically made of silico-manganese steel, an alloy steel defined in Chapter 72.
7229.20.00Silico-Manganese Steel Agricultural Binding Wire
Annealed silico-manganese steel wire for baling hay, straw, and silage in agricultural operations. This wire is classified under tariff item 7229.20.00 as it is made of silico-manganese steel, a specific alloy steel defined in Chapter 72.
7229.20.00Silico-Manganese Steel Brush Wire
Drawn silico-manganese steel wire for industrial wire brushes used in surface preparation and deburring operations. This wire is classified under tariff item 7229.20.00 because it is made of silico-manganese steel, an alloy steel defined in Chapter 72.
7229.20.00Silico-Manganese Steel Chain Link Wire
High-zinc coated silico-manganese steel wire for twisted chain link fencing systems. This wire is classified under tariff item 7229.20.00 as the base wire is made of silico-manganese steel, an alloy steel defined in Chapter 72, before galvanizing.
7229.20.00Silico-Manganese Steel Control Cable Wire
High-fatigue strength silico-manganese steel wire for core elements in aircraft control cables and throttle cables. This wire is classified under tariff item 7229.20.00 because it is made of silico-manganese steel, an alloy steel defined in Chapter 72.
7229.20.00Silico-Manganese Steel Filter Screen Wire
Precision-drawn silico-manganese steel wire for woven filter screens in industrial filtration systems. This wire is classified under tariff item 7229.20.00 as it is made of silico-manganese steel, an alloy steel defined in Chapter 72.
7229.20.00Silico-Manganese Steel Lock Wire
Corrosion-resistant silico-manganese steel wire used for safety wiring in aviation and machinery to prevent fastener loosening. This wire is classified under tariff item 7229.20.00 because it is made of silico-manganese steel, an alloy steel defined in Chapter 72.
7229.20.00Silico-Manganese Steel Music Wire
Silico-manganese steel music wire, precision-drawn high-carbon wire used for piano strings and musical instruments. The uniform tensile properties and alloy composition classify it under tariff item 7229.20.00 as wire of silico-manganese steel.
7229.20.00Silico-Manganese Steel Needle Wire
Ultra-fine silico-manganese steel wire for manufacturing felting needles in textile nonwoven production. This wire is classified under tariff item 7229.20.00 as it is made of silico-manganese steel, an alloy steel defined in Chapter 72.
7229.20.00Silico-Manganese Steel PC Strand Wire
7-wire strand components made from silico-manganese steel for prestressed concrete applications in bridges and buildings. The individual wires are classified under tariff item 7229.20.00 before stranding, as they are made of silico-manganese steel, an alloy steel defined in Chapter 72.
7229.20.00Silico-Manganese Steel Shoe Steel Wire
Hard-drawn silico-manganese steel wire for shank reinforcement and steel toe caps in safety footwear. This wire is classified under tariff item 7229.20.00 as it is made of silico-manganese steel, an alloy steel defined in Chapter 72.
7229.20.00Silico-Manganese Steel Spring Wire
Silico-manganese steel spring wire, high-carbon wire designed for compression and extension springs in automotive suspensions. The alloy's fatigue resistance and strength classify it under tariff item 7229.20.00 as wire of silico-manganese steel.
7229.20.00Silico-Manganese Steel Staple Wire
Galvanized silico-manganese steel wire cut to length for heavy-duty industrial stapling in packaging and construction. The base wire is classified under tariff item 7229.20.00 before galvanizing, as it is made of silico-manganese steel, an alloy steel defined in Chapter 72.
7229.20.00Silico-Manganese Steel Tire Bead Wire
High-tensile brass-plated wire made from silico-manganese steel, wound into bundles for tire bead reinforcement in radial tire construction. This wire is classified under tariff item 7229.20.00 as the base wire is made of silico-manganese steel, an alloy steel defined in Chapter 72, before plating.
7229.20.00Silico-Manganese Steel Umbrella Rib Wire
Spring-tempered silico-manganese steel wire flattened into ribbons for umbrella frame ribs and stretchers. The base wire is classified under tariff item 7229.20.00 before forming, as it is made of silico-manganese steel, an alloy steel defined in Chapter 72.
7229.20.00Silico-Manganese Steel Welding Wire
A high-strength welding wire made from silico-manganese steel, used in arc welding applications for structural steel fabrication. This wire is classified under tariff item 7229.20.00 as it is wire of silico-manganese alloy steel, which contains the specific alloy composition defined in Chapter 72.
7229.90.000.3mm Fine Alloy Steel Round Binding Wire
Ultra-fine 0.3mm round wire of nickel-alloy steel is drawn for bookbinding and electronics applications. The wire's fine diameter and alloy composition provide strength and conductivity. It is classified as other alloy steel wire, as it does not meet the definitions of specialty steels in Chapter 72.
7229.90.000.7mm Piano Wire Alloy Steel Round
High-carbon alloy steel piano wire, 0.7mm in diameter, is drawn for musical instrument strings. The wire's tensile strength and elasticity are critical for acoustic performance. It is classified as other alloy steel wire, as it does not meet the definitions of specialty steels like tool or stainless steel.
7229.90.000.8mm 4140 Chrome-Moly Alloy Round Wire
4140 chrome-molybdenum alloy steel round wire, 0.8mm in diameter, is drawn for mechanical springs and fasteners. The alloy provides high strength and toughness. It is classified as other alloy steel wire, as it does not meet the definitions of stainless, tool, or other specialty steels.
7229.90.000.9mm Medical Grade Alloy Steel Round Suture Wire
0.9mm round wire of surgical alloy steel is drawn for sternal closure sutures in medical procedures. The wire's biocompatibility and strength are essential for medical device use. It is classified as other alloy steel wire, as it does not meet the definitions of specialty steels in Chapter 72.
7229.90.001.0mm Alloy Steel Round Welding Wire ER70S-6
ER70S-6 grade round welding wire, 1.0mm in diameter, is drawn from low-alloy steel for MIG welding applications. The wire's composition includes manganese and silicon for weld quality. It is classified as other alloy steel wire, as it does not meet the definitions of specialty steels.
7229.90.001.2mm Spring Steel Round Alloy Wire Music Wire
Music wire grade alloy steel round wire, 1.2mm in diameter, is drawn for precision springs. The wire's high tensile strength and fatigue resistance come from its alloy composition. It is classified as other alloy steel wire, as it does not meet the definitions of tool or stainless steel.
7229.90.001.5mm Aerospace Grade Alloy Steel Round Wire
17-4 PH precipitation hardening alloy steel round wire, 1.5mm in diameter, is drawn for aerospace fasteners. The wire's high strength and corrosion resistance are achieved through precipitation hardening. It is classified as other alloy steel wire, as it does not meet the definitions of specialty steels.
7229.90.001.6mm Copper-Coated Alloy Steel TIG Filler Wire
1.6mm round TIG filler wire with a light copper coating on an alloy steel core is used for welding applications. The copper coating provides lubricity and corrosion resistance. It is classified as other alloy steel wire, as the coating is not considered further working per Chapter 72 notes.
7229.90.001.8mm Robotic Cable Alloy Steel Round Wire
Fatigue-resistant alloy steel round wire, 1.8mm in diameter, is drawn for robot cable carriers. The wire's high purity and alloy composition enable millions of flex cycles. It is classified as other alloy steel wire, as it does not meet the definitions of specialty steels.
7229.90.002.0mm Silicon-Manganese Alloy Steel Round Wire
Silicon-manganese killed alloy steel round wire, 2.0mm in gauge, is used in wire rope construction. The alloy composition provides strength and ductility. It is classified as other alloy steel wire, as it does not meet the definitions of specialty steels.
7229.90.002.2mm Oil Country Tubular Alloy Steel Round Wire
This is a 2.2mm round wire made of oil country tubular goods (OCTG) alloy steel, designed for downhole tool springs in sour service environments. The alloy composition provides resistance to hydrogen sulfide (H2S) below stainless steel thresholds, and the wire is precision-drawn to meet exacting dimensional tolerances. It is classified under tariff item 7229.90.00 as other alloy steel wire, not elsewhere specified.
7229.90.002.5mm Valve Spring Alloy Steel Round Wire
This is a 2.5mm round wire made of chrome-silicon alloy steel, specifically designed for automotive valve springs. The alloy composition provides high fatigue resistance, and the wire is oil-tempered to enhance its mechanical properties. It is classified under tariff item 7229.90.00 as other alloy steel wire, not elsewhere specified.
7229.90.003.0mm Structural Alloy Steel Round Wire
This is a 3.0mm diameter round wire made of structural alloy steel grade 5160, used for reinforcement mesh. The alloy composition provides enhanced strength and durability compared to carbon steel, and the wire is drawn to precise dimensions. It is classified under tariff item 7229.90.00 as other alloy steel wire, not elsewhere specified.
7229.90.004.0mm Heavy Alloy Steel Round Fence Wire
This is a 4.0mm round alloy steel wire designed for high-tensile fencing systems. The alloy composition provides corrosion resistance and strength beyond carbon fence wire, without reaching stainless steel composition. It is drawn to a precise diameter and is classified under tariff item 7229.90.00 as other alloy steel wire.
7229.90.00AISI 1095 High-Carbon Flat Alloy Steel Wire
AISI 1095 high-carbon flat alloy steel wire has a flat-rolled profile with thickness under 1.5 mm and width up to 10 mm, used for springs and cutting tools. It does not meet the high-speed steel definition but qualifies as other alloy steel wire. This product is classified under tariff item 7229.90.00 as other wire of alloy steel.
7229.90.00AISI 304 Stainless Steel Round Wire 0.5mm
This is a 0.5mm round wire made of AISI 304 stainless steel, used in spring manufacturing and wire forms. Despite being stainless steel, it is classified under tariff item 7229.90.00 as other alloy steel wire, as the subheading does not distinguish stainless steel from other alloy steels. The wire is drawn to a fine diameter for precision applications.
7229.90.00Alloy 5160 Flat Wire for Automotive Leaf Springs
Alloy 5160 flat wire for automotive leaf springs is a chromium-molybdenum alloy flat wire measuring 1.5mm x 8mm. It meets the general alloy steel criteria but not the tool or heat-resisting steel notes. This product falls under tariff item 7229.90.00 as other wire of alloy steel.
7229.90.00Alloy Steel Flat Litz Wire Base
Alloy steel flat litz wire base is a flat alloy steel wire serving as a base for Litz wire construction in transformers, with a width of 3mm. It is not further worked beyond drawing and does not meet special steel definitions. This product is classified under tariff item 7229.90.00 as other wire of alloy steel.
7229.90.00Copper-Clad E70C-6M Welding Wire
This is a 1.0mm copper-plated alloy steel wire for metal-cored arc welding, with low carbon content (<0.20%) and nickel and molybdenum additions. The copper coating provides lubricity for smooth wire feeding and enhances electrical conductivity. It is classified under tariff item 7229.90.00 as other alloy steel wire, specifically for welding applications.
7229.90.00Copper-Coated ER70Ni1 Welding Wire
This is a 1.2mm round alloy steel wire with less than 0.20% carbon and over 0.3% nickel, plated with copper for arc welding electrode use. The copper plating improves electrical conductivity and corrosion resistance during welding. It is classified under tariff item 7229.90.00 as other alloy steel wire for welding applications.
7229.90.00Copper-Plated ERNiCrMo-3 MIG Wire
This is a 1.0mm diameter nickel-molybdenum alloy steel wire, copper coated for superior arc stability in gas metal arc welding. The wire has less than 0.20% carbon and more than 0.08% molybdenum, making it suitable for specialized welding applications. It is classified under tariff item 7229.90.00 as other alloy steel wire.
7229.90.00CPM Rex 45 High-Speed Steel Wire
CPM Rex 45 is a particle metallurgy high-speed steel wire, drawn to precise diameters for demanding form tool applications. It contains alloying elements such as tungsten, molybdenum, and vanadium in proportions that qualify it as high-speed steel under Chapter 72's subheading notes. This wire is supplied in coils and is not further worked, making it classifiable under tariff item 7229.90.00 as other wire of alloy steel.
7229.90.00Cu-Coated Low-Carbon Ni-Mo MIG Welding Wire 1.2mm
This is a 1.2mm precision copper-coated round wire of alloy steel with less than 0.20% carbon, over 0.3% nickel, and over 0.08% molybdenum, designed for electric arc welding of stainless steels. The copper coating provides excellent electrical conductivity and corrosion resistance. It is classified under tariff item 7229.90.00 as other alloy steel wire for welding applications.
7229.90.00EN1.4310 Austenitic Stainless Flat Shaped Wire
EN1.4310 austenitic stainless flat shaped wire is a precision flat wire for weaving and filtration, with a rectangular profile under 0.76mm thick. It does not meet the high-speed steel definition but qualifies as other alloy steel wire. This product falls under tariff item 7229.90.00 as other wire of alloy steel.
7229.90.00High-Carbon Flat Piano Wire
High-carbon flat piano wire is a specialty flat wire from high-carbon alloy steel for musical instrument strings, with a rectangular section for tuned tension applications. It does not meet the high-speed steel definition but qualifies as other alloy steel wire. This product is classified under tariff item 7229.90.00 as other wire of alloy steel.
7229.90.00M2 High-Speed Steel Drill Wire
M2 high-speed steel wire is a round wire made from an alloy tool steel containing tungsten, molybdenum, and vanadium, exceeding the thresholds in Chapter 72's subheading notes for high-speed steel. It is supplied in coils for manufacturing twist drills and is not further worked. This product falls under tariff item 7229.90.00 as other wire of alloy steel.