Magnetic Pulse Tube Expander from Japan
Electromagnetic pulses expand tube ends for precise fittings in heat exchangers, no material removed. HTS 8463.90.0080 for pulse forming technology.
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
• Document coil inductance and pulse repetition rates
• Include expansion diameter tolerances (±0.01mm typical)
• Verify cooling system adequacy for continuous operation