Tube Sheet for Boiler Headers from Japan
Forged tube sheets with drilled holes secure boiler tubes in headers for steam/water separation. Critical pressure boundary part under HTS 8402.90.00. High-strength carbon or alloy steel.
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
• Hole pattern gauge verification; tube hole chamfer specs; material traceability to heat number