Rockwell Hardness Tester from China
A benchtop machine that measures the hardness of metals using a diamond or steel ball indenter under specific loads, producing Rockwell scale readings. It falls under HTS 9024.10.00.00 as a dedicated appliance for testing the hardness mechanical property of metals. Commonly used in quality control for steel and alloy components.
Duty Rate — China → United States
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Import Tips
• Verify calibration certificates meet NIST standards for customs validation; ensure machine includes CE marking if from EU for safety compliance; avoid misclassification as general lab equipment by specifying metal testing in documentation