Vacuum-Melted Unwrought Manganese Slab
High-vacuum melted manganese slabs, unwrought, for aerospace alloy applications requiring ultra-low impurities. Classified in HTS 8111.00.49 as other unwrought manganese excluding cobalt and scrap. Ensures minimal gas content for critical engineering uses.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If cobalt alloyed for magnetism
Cobalt addition for magnetic properties moves it to cobalt-containing manganese subheading.
If alloyed with steel during melting
Manganese melted with iron becomes alloy steel under Chapter 72, not base manganese.
If for industrial vs retail end use
Slabs further processed into profiles or bars become 'articles' under 8112 for industrial applications.
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Import Tips & Compliance
• Submit vacuum melting process certificates to justify premium valuation and purity claims
• Label with 'For Aerospace Use Only' to aid CBP end-use verification if applicable
• Prevent reclassification by ensuring no fabrication beyond slab form (unwrought status)
Related Products under HTS 8111.00.49
High-Purity Unwrought Manganese (99.9%)
High-purity unwrought manganese metal, typically in ingot or slab form with at least 99.9% manganese content, used in specialty alloys and electronics. It falls under HTS 8111.00.49 as unwrought manganese not containing cobalt, excluding waste and scrap. This classification applies to pure forms not further processed into articles.
Electrolytic Manganese Metal Flakes
Unwrought electrolytic manganese produced via electrolysis, supplied as irregular flakes or lumps for alloy production. Classified under HTS 8111.00.49 as other unwrought manganese, pure and free of cobalt. Primarily used in steel desulfurization and high-performance alloys.
Manganese Ingot for Battery Production
Cast unwrought manganese ingots designed for lithium-manganese oxide battery cathode material. Falls under HTS 8111.00.49 as other unwrought manganese (non-cobalt containing). Supplied in bulk for further refining into battery-grade powders.
Manganese Pig for Steel Alloying
Unwrought manganese pigs cast in standardized shapes for direct addition to steel furnaces. Falls under HTS 8111.00.49 as other unwrought (non-cobalt) manganese articles thereof excluded. Essential for producing high-manganese Hadfield steel.
Ultra-High Purity Manganese Billets
Unwrought manganese billets refined to ultra-high purity (>99.99%) for advanced materials research. Classified HTS 8111.00.49 as other unwrought manganese, excluding specific rasped or cobalt forms. Used in laboratory and R&D alloy development.
Thermal-Reduced Manganese Lumps
Unwrought manganese lumps from thermal reduction process, for welding electrode production. HTS 8111.00.49 applies to this other unwrought form without cobalt. Provides consistent composition for consumable electrodes.