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As per B31.3 Impact test acceptance

As per B31.3 Impact test acceptance

RE: As per B31.3 Impact test acceptance

There is no requirement as indicated in the document. Toughness is measured in this manner for these materials.

Test labs will still report absorbed energy if requested.

The devil is in the details; she also wears prada.

RE: As per B31.3 Impact test acceptance

There is no requirement for energy values only lateral expansion. how ever I have had clients (one any way) that only would accept energy absorbed, there acceptance was 45J single and 50J average. This was for S31803 duplex.

RE: As per B31.3 Impact test acceptance

A lot of users ( I certainly am) are now overlaying ISO 17781. QL II can be considered as a bit lenient. Quality duplex should have no problem hitting QL I

Steve Jones
Corrosion Management Consultant


All answers are personal opinions only and are in no way connected with any employer.

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