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Hung Ta™ Charpy Impact Tester Model HT8041A
Hung Ta™ Instruments Charpy Impact Tester Hung Ta™ Instruments
CCSi features this reliable, direct reading Charpy Impact Tester for the determination of the resistance of plastics and metals to breakage by flexural shock as indicated by the energy extracted from a simple beam apparatus employing a pendulum—type hammer.
The test requires specimens made with a milled notch, hence the test is often referred to as the “notched bar impact test”. In the Charpy Test (ASTM D256 Method B, ASTM D4508, ASTM D4812, ASTM D6110 and ASTM E23) test, the notch produces a stress concentration which promotes a brittle, rather than a ductile, fracture.
The results are reported in terms of energy absorbed per unit of specimen width, or more specifically, the energy absorbed in breaking the specimen which is equal to the difference between the potential energy at the moment of impact and the residual energy.
Hung Ta™ Charpy Impact Tester Model HT8041A: Specifications
Model HT8041A- 50 30 10 5 1.5 0.1 0.05 0.03 0.02
Capacity: (kgf/m) 50 30 10 5  
Capacity: (kgf/cm)   150 100 50 30 20
Distance:(mm) 1 850 750 600 400 230
Radius: (mm) 2 mm
(Radius of Hammer knife edge)
Angle: (degrees) 30º
(Angle of Hammer knife edge)
Lift Angle: (degrees) 2 140º 130º 150º
Hammer Mass: (kg) 37 26 11 8 2.6 1.8 1.3
Hammer Velocity: (m/sec) 3 5.5 5.0 4.5 4.2 3.8 2.9
Dimensions: (W x D mm) 500 x 1100 460 x 880 390 x 750 380 x 580 280 x 400
Dimensions: (Height mm) 1440 1300 1100 790 560
Weight: (kg) 400 300 250 200 70 65 50
1 Distance in mm between hammer axis center and strike point.
2 Lift angle of hammer in degrees (approximate).
3 Velocity in m/sec of hammer at moment of impact (approximate).
Standard Accessories:
  1. 1 each, 10 mm Square Gage;
  2. 1 each, Energy chart;
  3. 1 each, Hex Wrench;
  4. 1 each, Dust Cover.
Optional Accessories:
  1. Digital Indicator,
  2. Printer (requires digital indicator).
List Price: Please Submit a Request for Quotation (RFQ)
Index Terms: ASTM, D256, D4508, D4812, D6110, E23, Izod impact; notch sensitivity; notched specimen, reverse notch impact, 29.035.20, electrical insulating solids, plastics (general), tension (tensile) properties/tests-plastics, tensile-impact energy to break plastics/electrical materials, D1822M, breaking energy, cantilever impact, chip impact strength, impact plastics, impact testing, microcracks, pendulum, plastics, small specimen impact, weathered impact strength, 83.080.01, cantilever beam, impact resistance, plastic molding, unnotched, charpy impact, notched specimen, charpy test, fracture appearance, Izod test, impact test, notched specimens, pendulum machine, 77.040.10.
Copyright © 2006 CCSi, Inc. • All Rights Reserved • Published August, 2006
Corporate Consulting, Service & Instruments, Incorporated
221 Beaver Street • Akron, Ohio 44304 USA
Telephone: 800.742.8535 / 330.376.3600 • Facsimile: 800.229.9329 / 330.376.8500
• www.ccsi-inc.com • www.orecozone.net •