High Temperature SmCo17 Disc Magnets
SmCo17 grade disc magnets rated to 350°C continuous operation, metal rare earth alloy for downhole oilfield tools and automotive alternators. Exceptional demagnetization resistance. HTS 8505.11.0070 classification for metal permanent magnets.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for drilling rig components
Magnets in oilfield machinery parts classify under Chapter 84 parts
If electrical generating set components
Magnets for generators over 75kVA shift to generator parts classification
If as magnetostrictive device components
Specialized vibration-sensing magnet parts have dedicated subheading
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Temperature rating certification mandatory for duty preference claims
• Oilfield end-use may trigger BIS export controls even on imports
• Batch coercivity testing prevents down-grading to lower SmCo grades
Related Products under HTS 8505.11.00.90
Neodymium Disc Magnets N52 Grade
High-strength neodymium-iron-boron (NdFeB) disc magnets graded N52, made entirely of metal alloys, intended to become permanent magnets after magnetization. These are used in motors, sensors, and magnetic assemblies due to their exceptional magnetic strength. Classified under HTS 8505.11.0070 as metal permanent magnets, other than assemblies.
Samarium Cobalt Ring Magnets SmCo26
Corrosion-resistant samarium-cobalt (SmCo) ring-shaped permanent magnets with SmCo26 grade, composed of rare earth metal alloys. Ideal for high-temperature applications like aerospace and military equipment. HTS 8505.11.0070 covers these metal alloys intended for permanent magnetization.
Alnico Horse Shoe Magnets
Classic U-shaped alnico (aluminum-nickel-cobalt) horse shoe magnets made from cast metal alloys, requiring post-import magnetization. Commonly used in educational science kits and small holding devices. Falls under HTS 8505.11.0070 as other metal permanent magnets.
N42 Neodymium Block Magnets
Rectangular block neodymium N42 grade magnets from sintered NdFeB metal powder, designed for industrial holding and separation applications. Their strong field strength requires careful handling. HTS 8505.11.0070 applies to these other metal permanent magnet forms.
SmCo Arc Segment Magnets
Curved arc segment samarium-cobalt magnets from metal Sm2Co17 alloy, used in high-performance electric motors and generators. Radiation and corrosion resistant for harsh environments. Classified HTS 8505.11.0070 as other metal articles for permanent magnets.
Bonded Neodymium Ring Magnets Injection Molded
Injection molded neodymium powder in metal matrix forming isotropic ring magnets, complex geometries for automotive sensors. Metal composition >85% qualifies HTS 8505.11.0070. Post-magnetization permanent magnets.