Dear Ali,
8.2 refers you to the discontinuities which pass 8.1 requirements for loss in back reflection and then discuss about the size of such discontinuities.
Regards
On Mon, Feb 2, 2015 at 12:53 PM, Ali Asghari <asgharialigl@gmail.com> wrote:
Dear All--In lamination check by straight probe , some lamination and inclusion detected but they have a echo height less that 15%. Acceptance of project is level B of ASTM A578.Now I want to know in 8.2 of A578 , small discontinuities must have total loss of back reflection or not?Grade of material is API 2H GR 50 Z.Regards.
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