Of machines and appliances for testing metals
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: > Parts and accessories > Of machines and appliances for testing metals
Duty Rate (from China)
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
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]
Products classified under HTS 9024.90.00.40
Compression Testing Machine Metal Platens
Parallel ground steel platens (200mm diameter) for compression testing machines, distributing uniform load on metal cylinders for compressive strength determination. Part under HTS 9024.90.00.40 for metal testers.
Shear Testing Fixture for Metal Coupons
Double-notched fixture for single-lap shear testing of metal coupons, used in adhesive bond strength evaluation on metal substrates. Accessory for metal property testing appliances, HTS 9024.90.00.40.
Drop Weight Tear Tester Striker Pin
Tungsten carbide striker pin for drop weight tear testing machines, initiating fracture propagation in pipeline steel specimens per ASTM E208. Metal testing part under HTS 9024.90.00.40.
Elevated Temperature Tensile Grip
Water-cooled metal grips for high-temperature tensile testing (up to 1000°C) of metals in furnace-equipped machines. Part for thermal mechanical property testing, HTS 9024.90.00.40.
Metal Ultrasonic Testing Calibration Block Mount
Fixture mount for IIW-type steel calibration blocks in ultrasonic metal flaw detection testers, ensuring precise sound velocity measurement. Though primarily NDT, mechanical calibration function classifies under metal testing parts HTS 9024.90.00.40.
Vickers Hardness Tester Indenter Tip
A diamond pyramid-shaped indenter tip specifically designed for Vickers hardness testing machines used on metal samples. It applies precise load to create indentations for hardness measurement, falling under HTS 9024.90.00.40 as a part of metal testing appliances. Made from high-purity diamond for durability and accuracy in metallurgical labs.
Rockwell Hardness Tester Anvil Support
Precision-ground steel anvil support block for Rockwell hardness testing machines, used to securely hold metal specimens during indentation tests. Essential part for accurate load application on metals, classified under HTS 9024.90.00.40 as accessory for metal testing appliances.
Universal Testing Machine Metal Grip Jaw Set
Pyramidal grip jaw set made of hardened steel for tensile strength testing machines, specifically gripping metal specimens during tension, compression, or bend tests. Classified as parts for metal mechanical property testing under HTS 9024.90.00.40.
Brinell Hardness Tester Ball Indenter
Tungsten carbide 10mm ball indenter for Brinell hardness testing of metals, creating standardized impressions under heavy loads for large forgings and castings. Direct part of metal testing appliances under HTS 9024.90.00.40.
Impact Testing Machine Charpy Striker
Precision Charpy V-notch striker for pendulum impact testers, designed to fracture standardized metal specimens measuring toughness at various temperatures. Accessory for metal mechanical property testing under HTS 9024.90.00.40.
Torsion Testing Machine Metal Fixture
Collet-style metal fixture for securing cylindrical metal specimens in torsion strength testing machines, measuring shear modulus and torsional yield strength. Classified as part for metal testing appliances per HTS 9024.90.00.40.
Fatigue Testing Machine Metal Clamp Assembly
Hydraulic metal clamp assembly for cyclic fatigue testing machines, gripping specimens for high-cycle fatigue strength determination in metals. Part of appliances testing metal mechanical properties under HTS 9024.90.00.40.
Creep Testing Furnace Specimen Holder
High-temperature alloy specimen holder for creep testing machines, positioning metal samples under constant load at elevated temperatures (up to 1200°C). Accessory for long-term metal property testing under HTS 9024.90.00.40.
Hardness Tester Load Cell Sensor Mount
Aluminum precision mount for load cell sensors in automated metal hardness testers, ensuring accurate force transmission during indentation. Part of metal testing machines under HTS 9024.90.00.40.
Bend Testing Jig for Metal Bars
Three-point bend testing jig for metals, with hardened steel rollers for guided deflection testing of bars and plates to determine flexibility and ductility. Classified as metal testing appliance part per HTS 9024.90.00.40.