Crystal Puller RF Coil Support Forged Steel Bracket from Mexico
Forged steel bracket mounting RF heating coils in Czochralski pullers for semiconductor boule growth (statistical note a)(i). Withstands thermal cycling and electromagnetic fields. Steel forging under 8431.49.90.81 for 8426 machinery.
Duty Rate — Mexico → United States
25%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Reference Czochralski RF heating process in docs per statistical note
• Test for non-magnetic properties if alloyed, affecting classification
• Avoid generic 'bracket' description; specify puller model integration