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for Aluminum Alloy Portable Webster Hardness Tester Meter W-20a

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Product Location:China
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for Aluminum Alloy Portable Webster Hardness Tester Meter W-20a is available to buy in increments of 1
For Aluminum Alloy Portable Webster Hardness Tester Meter Sclerometer W-20a.

A portable instrument which can perform on-site hardness test on soft metals in accordance with American Standard ASTM B647.

Used to check the result of heat treatment and determine if the mechanical performance of the workpiece is acceptable.

Suitable for testing the hardness of aluminum profiles, tubings, sheets and other soft metal. Especially  suitable for quick, non-destructive on-site 100% final products qualification test.

Webster hardness tester can also used for testing hardness of copper, brass and soft steel. 


  • Indenter

Re-engineered with advanced material and new production technology manufactured, higher hardness, long service life, good interchangeability.

  • Indicator Hand

High strength indicator hand less likely to be bent by long-term using or mis-operation.

  • Dial Glass

High strength, high toughness, uneasy to be broken or scratched.

  • Handle

Forged aluminum alloy handle with fine anodized finishing, high resistance to abraision and stain.

  • Hardness Blocks

 Tested by standard Rockwell hardness tester, the hardness block is attached with test report.

  • Stability

Stable full scale point, stable calibration point, indicator never glides.

  • Conversion

Results can be converted to Vickers, Rockwell and Brinell.


Product NameWebster Hardness Tester for Aluminum Alloy
Testing Range0 ~ 20 HW (equivalent to 20 ~ 110 HRE)   
Resolution0.5 HW
Application RangeAluminum Alloy
Hardness Range25 ~ 110 HRE, 58-131 HRV
Specimen Dimension (mm)Thickness:0.6-13, Inner Diameter > 10
Weight0.5 kg


  • W-20a, used to test aluminum profiles with thickness within 13 mm

Packing Includes:

  • 1 x Tester
  • 1 x Standard Hardness Block
  • 1 x Spare Indenter
  • 1 x Calibration Wrench
  • 1 x Small Screwdriver
  • 1 x Carrying Case
  • 1 x Dial Assembly
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