8481.90.30.00/Steel Butterfly Valve Disc for Wafer Grinder Coolant/Japan

Steel Butterfly Valve Disc for Wafer Grinder Coolant from Japan

Replacement steel disc for hand-operated butterfly valves controlling coolant in wafer grinders processing semiconductor crystal boules. Classified HTS 8481.90.3000 as steel part of hand-operated valve appliances. Maintains flatness tolerances on wafers.

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

• Match OEM part numbers for validation; certify non-magnetic steel grades; avoid bulk steel scrap classification