Other: — Niobium (columbium)
Part of: 811292 — Other: — Unwrought; waste and scrap; powders:
N306470 · 2019-10-24 — The tariff classification of evaporation materials from China
Representative photos and analysis certificates were included in your submission. The items under consideration are high purity/high density products for use in the semiconductor and optical industries. Imported in various shapes and sizes, you indicate that this merchandise will be utilized in physical vapor deposition (PVD) tools to deposit thin films by electron beam or thermal high vacuum evaporation techniques. The subject products are as follows: 99.95% pure tungsten pellets 99.99% pure silver pellets 99.999% pure silicon pieces/fragments 99.95% pure niobium pellets 99.95% pure iron…
N277837 · 2016-08-24 — The tariff classification of nickel niobium pieces from Russia
The products you intend to import are described as nickel niobium master alloy lumps crushed into sizes ranging from 10 to 100 mm. The technical data chart lists six alloys. Two of the alloys show niobium at 30 - 45 percent and nickel at 40 - 60 percent. Two of the alloys show niobium at 55 – 65 percent with nickel at 30 - 45 percent. The final two alloys listed show niobium at 70 – 85 percent and nickel at 15 – 30 percent. All alloy groups show low levels of aluminum, silicon, iron and carbon. The stated use of the described master alloys is as alloying additives for specialty steel…
N246997 · 2013-11-20 — The tariff classification of molybdenum and niobium from China
Descriptive literature and a chemical analysis were submitted. The items in question are molybdenum and niobium alloys. Both are imported in lump and powder form. The molybdenum alloy chemical analysis is approximately 65% molybdenum with 35% aluminum, while the niobium product analysis is approximately 72% niobium and 28% aluminum. They both are used in the production of titanium alloys, super alloys, aluminum master alloys and sputtering targets. The applicable subheading for the molybdenum in powder form will be 8102.10.0000, Harmonized Tariff Schedule of the United States (HTSUS), which…
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