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By Materials & Welding
Dear Friends,
 
Can any one through light on the following queries of digital hardness tester (Eqotip/TIME Group TH 160, HLN-11A/Krautkramer etc.)
 
1. Can weld joint hardness check up with rebound test principle
2. what is the minimum thickness of test specimen required for hardness check with above equipment (working on Rebound principle)
3. What are the calibration requirement of above instruments
4. Are they supported by any project construction codes/ standards
 
Regards,

T S Reddy
Jamnagar

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