Weld metal strength

1,if grinding on weld metal will affect the strength of weld.?

2,if grinding on weld metal cap, will affect the hardness value? like i want to check the hardness of the weld metal by non destructive method using hardness meter.so before checking,shall i do grinding?
experts please advice

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To make sure deposited weld metal limits in the acceptance criteria.

Test method Brinell with ball 10 mm, the surface preparation should slight grind on cap profile at least 100 mm2 to get accuracy values.

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