Magnetic Pulse Welding Coil from Japan
High-current induction coil generating magnetic pressure for solid-state welding of aluminum to steel in automotive battery trays. Part of magnetic pulse welding apparatus under HTS 8515.90.40.00. Disposable after limited discharges.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Specify peak current rating (100-500kA) and turns ratio
• Copper foil winding composition affects valuation
• Prototype vs. production coils have different statistical reporting