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8430.49.40.00/Gravity-Based Oil Platform/Japan

Gravity-Based Oil Platform from Japan

A gravity-based structure (GBS) platform using concrete ballast weight for offshore oil production stability. Falls under HTS 8430.49.40.00 for integrated drilling and extraction from seabed ores. Ballasted on-site in Arctic or harsh environments.

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

• Classify concrete components separately if pre-cast

• Include scour protection designs

• Pitfall: Overlooking hazardous material manifests for oil processing modules

Gravity-Based Oil Platform from Japan — Import Duty Rate | HTS 8430.49.40.00