Brinell Hardness Testing Machine
Optical microscope-equipped machine that indents steel balls into material surfaces to measure hardness via impression diameter. Falls under HTS 9024.80.00.00 for metal hardness testing appliances.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If optical components dominate function
Primarily optical instruments classify under 9013, not testing machines.
If optical reading accessories only
Parts specific to 9024 machines go to 9024.90 subheading.
Not sure which classification is right?
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Import Tips & Compliance
• Include microscope magnification specs to distinguish from pure optical instruments
• HBW scale calibration certificates essential for metallurgical imports
• Avoid classifying as 9013 optical device per chapter note 4
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