Machines and appliances for testing the hardness, strength, compressibility, elasticity or other mechanical properties of materials (for example, metals, wood, textiles, paper, plastics), and parts and accessories thereof
4 declarable lines
Heading 9024 covers machines and appliances that test the mechanical properties of materials, such as hardness, tensile strength, compressibility and elasticity. It is split into machines for testing metals (9024.10), other testing machines and appliances (9024.80), and parts and accessories (9024.90), which is further split between parts for metal-testing machines and other parts.
Products in this heading
- Universal tensile testing machine for metal specimens
- Rockwell or Brinell hardness tester
- Concrete compression testing machine
- Textile tensile strength tester
- Paper and board burst strength tester
- Rubber and plastic elasticity or elongation tester
- Test grips, fixtures and loading frames sold as parts of these machines
- Extensometers and specimen holders made for testing machines
How to choose the right subheading
- Whether the machine tests metals or another material, which decides between 9024.10 and 9024.80.
- Whether the item is a complete machine or appliance rather than a part or accessory.
- For parts and accessories, whether they are for metal-testing machines or for other testing machines.
- The property being tested, such as hardness, tensile strength, compression or elasticity, to confirm the goods are testing equipment and not a measuring instrument of another heading.
Often confused with
- Heading 9025Thermometers and hydrometers
They measure temperature or density, not mechanical properties.
- Heading 9026Pressure gauges and flow meters
They measure variables of liquids or gases rather than material strength.
- Heading 9027Spectrometers and viscometers
They perform physical or chemical analysis, not mechanical property testing.
- Heading 9032Automatic regulating or controlling instruments
They control a process rather than test a material specimen.
- Heading 9031General measuring or checking instruments not named elsewhere
Residual measuring or checking goods belong in 9031, not 9024.
Frequently asked questions
What is the HTS code for a machine that tests the tensile strength of metal?
Metal-testing machines and appliances are classified under 9024.10.00.00, which carries a general (MFN) rate of Free.
What is the duty on a hardness tester for plastics or rubber?
Testing machines for materials other than metals fall under 9024.80.00.00, and the general (MFN) rate is Free.
How do I classify a replacement grip or fixture for my testing machine?
Parts and accessories for metal-testing machines go under 9024.90.00.40, while other parts and accessories go under 9024.90.00.80; both have a general (MFN) rate of Free.
Guide written from the official schedule text. Rates quoted are general (MFN) rates; check the line page for trade agreement rates and the classification of your exact product.