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hardness testing
4

hardness testing

hardness testing

(OP)
it says for B scale, and T, use 1/16 diamond ball indenter. our tester comes with a steel ball. any difference in the result?
thanks.

RE: hardness testing

Rockwell B & T Scales use a 1/16" diameter, hardened steel ball.

RE: hardness testing

3
If your testing is to conform to standards (e.g. ASTM E18), then you need to use a tungsten carbide ball, not steel and not diamond. Old versions of the standards allowed steel balls, but no longer. Do not use random internet sites for information, go directly to reputable information sources.

RE: hardness testing

Thank you Cory, we have to correct people (customers) about this all of the time.

= = = = = = = = = = = = = = = = = = = =
Plymouth Tube

RE: hardness testing

"Do not use random internet sites for information, go directly to reputable information sources."

A classic.

Thomas J. Walz
Carbide Processors, Inc.
www.carbideprocessors.com

Good engineering starts with a Grainger Catalog.

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