Ferrotungsten 70% Tungsten Lumps from Japan
Ferrotungsten lumps containing approximately 70% tungsten and 25-30% iron, used as an alloying additive in steel production to enhance hardness and wear resistance. Classified under HTS 7202.80.00.00 as ferrotungsten, a ferroalloy combining iron with tungsten. Supplied in bulk lumps typically 10-100mm for melting into steel baths.
Duty Rate — Japan → United States
5.6%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Obtain mill certificates verifying tungsten content (typically 65-85%) and compliance with Chapter 72 purity standards to avoid reclassification
• Ensure proper packaging to prevent oxidation; declare exact chemical composition on entry documents as ferroalloys are subject to precise alloy definitions