Alkali or alkaline-earth metals: — Calcium
N079347 · 2009-10-30 — The tariff classification of Hi-Cal® pure calcium wire from China
You state in your letter that calcium metal originating from China will be sent to Mexico where it will be encapsulated in a steel sheath, packaged and then sent to the USA. The calcium cored wire will contain 98 percent calcium. The steel sheathing of the wire is used to hold the calcium contents and is melted off during the injection process. The sheathing is used as a packing or carrier. The product is used in steelmaking, secondary refining/ ladle metallurgy to add pure calcium to liquid steel. The process undertaken in Mexico no way alters the product in its tariff classification. The…
N062736 · 2009-09-17 — The tariff classification of Papcal calcium cored wire from France.
The sample that you submitted was analyzed by our laboratory. Your letter states that the calcium powder in the cored wire contains 97 percent calcium with residual trace elements. The Papcal calcium cored wire is used by steel makers by injecting the wire at a defined footage when the steel is in molten form in order to modify inclusions contained in the steel. You state that the steel sheathing of the wire is used only to hold the calcium contents and is subsequently melted off during the injection process with no additional benefit to the steel making process. The applicable subheading for…
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