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Date: | Tue, 22 May 2012 08:09:43 -0500 |
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Fellow TechNetters:
I am very surprised that I have not had very many feedbacks on my initial hardness inquiry. I would suspect that there would be many users of hardness testing out there. Perhaps this time it will be a charm. In a previous life I just used the instrument. This time I want to understand the test and instrument.
Victor,
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From: Hernandez, Victor G
Sent: Wednesday, May 02, 2012 7:47 AM
To: TechNet E-Mail Forum
Cc: Hernandez, Victor G
Subject: Hardness testing guidelines
Fellow TechNetters,
What are some guidelines with regards to hardness testing,
Aluminum 384, ADC 12
Rockwell B, ball bearing, 1/16 inch dia. (0.0625 dia.)
Load: 100
Target: 53
Min coupon thickness: ???????
Coupon Size: ????????
Spacing between sites: ???????
Coupon flatness: ???????
My sample is:
Coupon thickness: 0.05425 inch
Coupon Size: 1.3 x 0.58 inch
Can the round indentation, diameter and depression, be used to confirm the instrument reading/value?
Victor,
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