No-Hub Cast Iron Soil Pipe 6-inch from Japan
A 6-inch no-hub cast iron soil pipe joined with stainless steel clamps and neoprene gaskets for underground and vertical drainage applications. Classified under HTS 7303.00.00.30 due to its specific design for soil, waste, and vent (DWV) systems in commercial plumbing. No-hub design offers flexibility and corrosion resistance.
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
• Provide CISPI 301 certification proving compliance with no-hub coupling standards required by US building codes
• Label shipments clearly as 'no-hub soil pipe per ASTM A888' to prevent confusion with pressure pipes
• Check for tariff preference eligibility under USMCA if originating from Canada or Mexico