Webster Hardness Tester Model B-75 for Mild Steel & Brass
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Webster Model B-75 for Mild Steel & Brass
The Model B-75 Webster Hardness Tester was built to pick up more sensitively on slight changes in the upper hardness range covered by the Model B - handy for testing mild steel and stronger aluminum alloys. On brass, it covers the range from annealed to full-hard.
That extra sensitivity comes from a slightly different penetrator contour and a heavier load spring than the Model B uses. The dial indicator's 20 graduations span 20 to 100 on the Rockwell B scale.
Each tester ships in a fitted case with a spare penetrator, adjusting wrench, and standard test strip.
Uses and Applications:
- Works on assemblies that can't be brought into the lab
- Checks for proper heat-treatment response
- Differentiates soft or work-hardened material
- Gives a rapid 100% check on parts that would normally take a long time to test
- Identifies heat-treated parts
- Flags parts made from improper or substandard alloys
- Correlates readings between a bench-mounted tester and the production line
- Segregates materials in stock
- Works alongside stationary lab hardness testing tools
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