HTS Chapter 81 — Other Base Metals Tariff Rates (2026)

Includes tungsten, molybdenum, tantalum, magnesium, cobalt, titanium, zirconium, antimony, and other base metals and their articles.

Rate Overview

3.5%

Avg MFN Rate

10%

Section 122

N/A

Section 232

7.5-100%

Section 301 (China)

Key Headings in Chapter 81

HTS Code	Description	MFN Rate	Sec 232	Sec 301
8101	Tungsten and articles thereof	Free	N/A	25%
8103	Tantalum and articles thereof	Free	N/A	25%
8112	Beryllium, chromium, germanium, and other metals	Free	N/A	25%

Common Products

Tungsten wire and rodsTitanium barsMagnesium ingotsCobaltMolybdenumTantalum capacitorsZirconiumAntimony

Chapter 81 of the HTS — Other Base Metals — is among the most tariff-impacted categories in US trade. Includes tungsten, molybdenum, tantalum, magnesium, cobalt, titanium, zirconium, antimony, and other base metals and their articles. The average MFN (Most Favored Nation) duty rate for products in this chapter is 3.5%. Individual rates vary significantly within the chapter, ranging from duty-free to well above the average. In addition to MFN rates, all imports face the 10% Section 122 tariff (effective February 24, 2026, expiring approximately July 24, 2026). Chinese imports in this chapter face additional Section 301 tariffs ranging from 7.5% to 100%, depending on the specific product classification. Common products in this chapter include Tungsten wire and rods, Titanium bars, Magnesium ingots, Cobalt, Molybdenum, Tantalum capacitors, Zirconium, Antimony. Related HTS chapters include Chapter 72, Chapter 74, Chapter 75, Chapter 76, which cover similar or complementary product categories.

Frequently Asked Questions

What is the average tariff rate for HTS Chapter 81 (Other Base Metals)?

The average MFN duty rate for other base metals is 3.5%. All imports also face the 10% Section 122 tariff. Chinese imports may face additional Section 301 tariffs.

What products are in HTS Chapter 81?

Chapter 81 covers other base metals, including Tungsten wire and rods, Titanium bars, Magnesium ingots, Cobalt, Molybdenum. Related chapters include Chapter 72, Chapter 74, Chapter 75, Chapter 76.

Are other base metals subject to Section 232 or Section 301 tariffs?

Section 232 tariffs generally do not apply to products in this chapter. Chinese imports in this chapter face Section 301 tariffs of 7.5-100%.