7303.00.00.90/Cast Iron Radiator Supply Pipe/Japan

Cast Iron Radiator Supply Pipe from Japan

Hollow cast iron pipe for steam or hot water supply to heating radiators. Classified HTS 7303.00.00.90 as other non-boiler cast iron pipes. Integral to vintage HVAC systems.

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%

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Import Tips

• Specify low-pressure heating use vs. boiler tubes

• Include thermal expansion specs in docs