Silico-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. HTS 7229.20.00 applies as base wire of silico-manganese alloy before plating, providing essential hoop strength. Typically 0.95-1.30mm diameter with specific bronze coating adhesion.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If plated or coated
Plated or coated silico-manganese wire considered 'further worked' per Chapter Note and moves to 7229.90.
If in tire bead form
Assembled tire bead wire bundles or rings classified as chain or complete tire components in Chapter 73.
If high-carbon (>0.6% carbon)
Certain high-carbon alloy wires have specific subheadings before general silico-manganese classification.
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Import Tips & Compliance
• Distinguish base alloy wire from finished plated product; provide chemical analysis confirming silico-manganese per ASTM standards; ensure proper packaging declaration as wire bundles vs fabricated beads
Related Products under HTS 7229.20.00
Silico-Manganese Steel Welding Wire
A high-strength welding wire made from silico-manganese steel, used in arc welding applications for structural steel fabrication. It falls under HTS 7229.20.00 as it is wire of silico-manganese alloy steel, which contains silicon and manganese as key alloying elements. The wire is typically drawn to precise diameters for consistent weld bead formation.
Silico-Manganese Spring Steel Wire
Cold-drawn wire of silico-manganese steel designed for manufacturing compression and extension springs in automotive suspensions. Classified under HTS 7229.20.00 due to its specific silico-manganese alloy composition providing high yield strength and fatigue resistance. Available in round and shaped cross-sections for precision spring forming.
Silico-Manganese Steel PC Strand Wire
7-wire strand components made from silico-manganese steel for prestressed concrete applications in bridges and buildings. Individual wires classified under HTS 7229.20.00 before stranding, offering high tensile strength over 1860 MPa. Drawn to precise tolerances for post-tensioning systems.
Silico-Manganese Alloy Music Wire
Ultra-high tensile silico-manganese steel wire used for piano wires, springs, and precision instruments requiring consistent elasticity. HTS 7229.20.00 classification based on characteristic silico-manganese composition providing superior fatigue resistance. Polished surface finish with diameters from 0.15mm to 5mm.
Silico-Manganese Steel Brush Wire
Drawn silico-manganese steel wire for industrial wire brushes used in surface preparation and deburring operations. Classified HTS 7229.20.00 for its alloy composition providing wear resistance and flexibility. Available in crimped and straight forms for power tool attachments.
Silico-Manganese Steel Lock Wire
Corrosion-resistant silico-manganese steel wire used for safety wiring in aviation and machinery to prevent fastener loosening. HTS 7229.20.00 applies to this high-strength, non-magnetic alloy wire meeting aerospace specifications. Typically 0.8-1.6mm diameter in soft temper.