Furnaces and ovens for the roasting, melting or other heat treatment of ores, pyrites or of metals
Industrial or laboratory furnaces and ovens, including incinerators, nonelectric, and parts thereof: > Furnaces and ovens for the roasting, melting or other heat treatment of ores, pyrites or of metals
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 8417.10.00.00
Czochralski Crystal Puller Furnace
A high-temperature furnace using the Czochralski method to grow monocrystalline silicon boules from molten semiconductor material for wafer production. It falls under HTS 8417.10.00.00 as it is designed for the melting and controlled heat treatment of metals like silicon in semiconductor manufacturing.
Float Zone Melting Furnace
Non-electric furnace employing float zone technique to purify and grow silicon crystals by localized melting and resolidification of metal rods. Classified in HTS 8417.10.00.00 for its role in heat treatment and melting of semiconductor metals.
Metal Melting Induction Furnace
Non-electric classified furnace using induction for melting base metals like aluminum or copper for casting. Under HTS 8417.10.00.00 for melting heat treatment of metals, distinguished by power source interpretation.
Silicon Ingot Annealing Furnace
Furnace for controlled heat treatment to anneal silicon ingots post-crystal growth, relieving stresses for wafer slicing. Classified under HTS 8417.10.00.00 for metal heat treatment in semiconductor processing.
Gallium Arsenide Crystal Growth Furnace
Specialized furnace for liquid encapsulated Czochralski growth of gallium arsenide semiconductor crystals via metal compound melting. HTS 8417.10.00.00 covers heat treatment of such metals per statistical notes.
Crystal Boule Grinding Preheat Furnace
Preheat oven for semiconductor crystal boules before grinding, ensuring thermal stability during diameter processing. Under HTS 8417.10.00.00 for metal heat treatment preparatory to fabrication.
Ore Roasting Furnace
Industrial furnace for roasting metal ores like copper pyrite at high temperatures to remove sulfur and prepare for smelting. Fits HTS 8417.10.00.00 as specialized for roasting of ores and pyrites.
Pyrite Calcining Rotary Furnace
Rotary kiln furnace for calcining pyrites to produce sulfur dioxide and metal oxides through heat treatment. Matches HTS 8417.10.00.00 explicitly for pyrites roasting ovens.
Copper Ore Smelting Furnace
Blast furnace variant for smelting copper ores through high-heat melting to extract metal matte. Falls under HTS 8417.10.00.00 for ore melting furnaces.