Silico-Manganese Alloy Steel Lock Wire
Soft annealed silico-manganese steel wire used for safety wiring in aerospace and machinery to secure fasteners. Classified HTS 7229.20.00.90 as other silico-manganese wire, with alloy ensuring kink resistance and consistent diameter. Critical for vibration-prone assemblies.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If twisted into safety wire pairs
Twisted locking wire pairs are stranded products under 7312.
If high-strength per note (a)
Qualifying high-strength variants get specific duty treatment.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Provide annealing cert and elongation tests; declare aerospace specs like MS20995; watch diameter tolerances for statistical reporting
Related Products under HTS 7229.20.00.90
Silico-Manganese Steel Welding Wire
A high-strength welding wire made from silico-manganese alloy steel, used in MIG and TIG welding applications for structural fabrication. It falls under HTS 7229.20.00.90 as wire of silico-manganese steel, not cold-formed or cold-headed, meeting the chapter's alloy steel definitions. The silicon and manganese content enhances deoxidation and strength during welding.
Silico-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. Classified under HTS 7229.20.00.90 as 'other' wire of silico-manganese steel per U.S. note definitions for alloy compositions. The alloy improves weldability and durability in outdoor applications.
Silico-Manganese Steel Spring Wire
High-carbon silico-manganese steel wire designed for compression and extension springs in automotive suspensions. It qualifies under HTS 7229.20.00.90 as other silico-manganese alloy steel wire, leveraging the alloy's fatigue resistance. Silicon content aids in heat treatment for optimal spring properties.
Silico-Manganese Reinforcement Mesh Wire
Wire of silico-manganese alloy steel used in welded wire mesh for concrete reinforcement in construction. Falls under HTS 7229.20.00.90 as other non-worked wire of this specific alloy, providing superior strength over carbon steel. Manganese enhances toughness for structural applications.
Silico-Manganese Steel Tire Bead Wire
Bronze-coated silico-manganese steel wire formed into tire bead bundles for rubber tire reinforcement. Primarily classified under HTS 7229.20.00.90 for the base silico-manganese wire before bundling, with alloy aiding adhesion to rubber. Used in passenger and truck tire manufacturing.
Silico-Manganese Alloy Steel Cable Wire
Drawn silico-manganese steel wire serving as input for wire rope and overhead transmission cables. HTS 7229.20.00.90 covers this 'other' category of silico-manganese wire, valued for high tensile strength and corrosion resistance. Silicon improves electrical conductivity in some applications.