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Brinell Test on API 5C6 1

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johnengkol

johnengkol

Mechanical
Oct 25, 2017
12
Dear All Respected Expert,

I have question regarding API 5C6 section 5.4

statement is "Brinell hardness survey is not acceptable for testing weld metal heat affected zone in a PQR test".

why Brinell hardness survey is not acceptable on this recommended practice?

thanks and warm regards



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Too large a diameter of ball relative to width of HAZ is one reason.
 
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