Iron Gate Valve Body for Crystal Grinder Gas Supply from Japan
Steel gate valve body part for hand-operated control of process gases in crystal grinders that shape semiconductor boules to wafer diameters. HTS 8481.90.3000 covers iron or steel parts of such hand-operated appliances in semiconductor prep equipment. Critical for maintaining precise flat grinding tolerances.
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
• Document connection to grinders via OEM specs; ensure welds meet ASME standards for pressure vessels; common pitfall is undervaluation based on weight