Recommended temperature of the material to test for hardness
Recommended temperature of the material to test for hardness
(OP)
What is the recommended temperature of a material before a standard Brinell hardness test is performed? Ambient?
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Recommended temperature of the material to test for hardness
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RE: Recommended temperature of the material to test for hardness
RE: Recommended temperature of the material to test for hardness
RE: Recommended temperature of the material to test for hardness
RE: Recommended temperature of the material to test for hardness
As long as the calibration blocks & material being tested are similar material & at the same temperature, any ambient temperature comfortable to the operator should be OK. However, if not using calibration blocks, some of the force calibration methods as given in ASTM E4 require ~constant temperature (+2oF or +1oC).
The testing temperature range mentioned by yates is also found in ASTM E18 (Rockwell hardness testing).
RE: Recommended temperature of the material to test for hardness
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Section 3.4.9.1 has a good discussion of temperature.