Master alloys of copper.
Sheet piling of iron or steel, whether or not drilled, punched or made from assembled elements; welded angles, shapes and sections, of iron or steel. > Copper waste and scrap. > Other: > Master alloys of copper. > Master alloys of copper.
Duty Rate (from China)
Products classified under Tariff item 7405.00.00.00
Brass Foundry Phosphor Copper 7% P Cylinders
Cylindrical castings of a copper-phosphorus master alloy containing 7% phosphorus by weight. This product is used as an additive in brass foundries to introduce phosphorus into the melt for deoxidation and to improve fluidity. It falls under tariff item 7405.00.00 as a master alloy of copper, with phosphorus content within the range typical for such alloys.
7405.00.00Copper-Boron Master Alloy
Copper-boron master alloy containing 4-8% boron, used for grain refinement in copper casting alloys such as bronzes. This product provides controlled boron addition to enhance mechanical properties. It is classified under tariff item 7405.00.00 as a master alloy of copper.
7405.00.00Copper-Cerium Master Alloy
Copper-cerium master alloy with 10-20% cerium, a rare earth element, used for modifying microstructure in copper castings. This product improves casting quality and is used in specialty foundry applications. It is classified under tariff item 7405.00.00 as a master alloy of copper.
7405.00.00Copper-Chromium Master Alloy
Copper-chromium master alloy containing 8-12% chromium in a copper matrix, used for heat-resistant copper alloys. This product is essential for applications requiring high-temperature strength. It is classified under tariff item 7405.00.00 as a master alloy of copper.
7405.00.00Copper-Magnesium Master Alloy
Copper-magnesium master alloy with 20-30% magnesium, used for deoxidizing and hardening copper alloys. This product is used in precision casting operations to improve alloy properties. It is classified under tariff item 7405.00.00 as a master alloy of copper.
7405.00.00Copper-Manganese Master Alloy
Copper-manganese master alloy with 20-30% manganese content, used for alloying in aluminum bronzes and brasses. This product ensures uniform manganese distribution in metallurgical processes. It is classified under tariff item 7405.00.00 as a master alloy of copper.
7405.00.00Copper-Niobium Master Alloy
Copper-niobium master alloy with 15% niobium, used for precipitation hardening in high-strength copper alloys. This product is used in aerospace and electrical applications. It is classified under tariff item 7405.00.00 as a master alloy of copper.
7405.00.00Copper-Phosphorus Master Alloy
Copper-phosphorus master alloy with high phosphorus content (typically 10-15%), used in the non-ferrous metals industry to introduce phosphorus into brasses and bronzes. It is classified under tariff item 7405.00.00 as a master alloy of copper.
7405.00.00CuP8 Phosphor Copper Alloy Shot 8% Phosphorus
Granular shot of a copper-phosphorus master alloy with 8% phosphorus content. This form is designed for precise dosing in copper and copper alloy melts, ensuring uniform distribution. It is classified under tariff item 7405.00.00 as a master alloy of copper, used in metallurgical processes.
7405.00.00Cu-P 9% Master Alloy Broken Fragments
Broken fragments of a 9% phosphorus copper master alloy, obtained from cutting sows. This physical form is suitable for small batch foundries that require manageable pieces for melting. It is classified under tariff item 7405.00.00 as a master alloy of copper, with phosphorus content within the typical range.
7405.00.00Deoxidizer Cu-10P Alloy Sows 10% Phosphorus
Large sow castings of a copper-10% phosphorus master alloy, primarily used as a deoxidizer in copper alloy production. This product prevents oxygen porosity during casting, ensuring high-quality finished alloys. It is classified under tariff item 7405.00.00 as a master alloy of copper.
7405.00.00Grain Refiner Phosphor Copper 6% P Pellets
Pelletized form of a 6% phosphorus copper master alloy, used as a grain refiner in continuous casting processes. The pellet form ensures consistent addition rates in high-speed billet production. It is classified under tariff item 7405.00.00 as a master alloy of copper.
7405.00.00Master Alloy CuP11 Phosphorus 11% Ingots
High-purity Cu-11P master alloy ingots, used for precision alloying in electrical copper applications. The 11% phosphorus content provides controlled deoxidation and grain refinement. It is classified under tariff item 7405.00.00 as a master alloy of copper.
7405.00.00Phosphor Copper 12P Master Alloy Waffle Blocks
Waffle-shaped blocks of a copper-phosphorus master alloy containing 12% phosphorus. This shape is designed for easy melting and uniform distribution in large copper foundry ladles. It is classified under tariff item 7405.00.00 as a master alloy of copper.
7405.00.00Phosphor Copper Master Alloy Ingot 10% P
Master alloy ingots composed primarily of copper with 10% phosphorus content by weight. These ingots are used in non-ferrous metallurgy for deoxidizing and grain refining. They are classified under tariff item 7405.00.00 as master alloys of copper.