Recrystallized Iridium Sheet from Japan
Heat-treated iridium sheet with controlled grain structure for aerospace. Still semimanufactured under HTS 7110.49.0050.
Duty Rate — Japan → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Annealing certificates show no dimensional change from working
• Grain size photos/micrographs prove recrystallization stage
• NASA/DoD specs may require qualified products listing