Cast Iron Soil Pipe Coupling 4 Inch from Japan
A straight coupling fitting of nonmalleable cast iron used to connect two ends of 4-inch cast-iron soil pipes in sewer and drainage lines. It features hub-and-spigot design for push-on assembly with compression gaskets. Falls under HTS 7307.11.0045 as a cast fitting tailored for cast-iron soil pipe 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%
Import Tips
• Provide detailed specs showing hub-spigot compatibility with cast-iron soil pipe per industry standards like CISPI 301
• Ensure country-of-origin markings are cast into the fitting to meet US customs permanence requirements
• Avoid bulk packaging mislabeled for other uses, as it could lead to reclassification under general fittings headings