Aerospace-Grade Titanium Sponge from Japan
Premium titanium sponge meeting AMS 4921 specifications for aircraft applications, featuring low oxygen and iron content. Falls under HTS 8108.20.0010 as unwrought titanium sponge, the starting material for high-strength titanium alloys in jet engines and airframes.
Duty Rate — Japan → United States
15%
Import Tips
• Obtain supplier's chemical analysis certificate specifying max 0.20% oxygen for aerospace grades to support classification
• Declare vacuum-packed sponge to prevent oxidation; watch for reclassification if contaminated during transit