After the test, the test specimens are cut into sections and examined under a microscope for Hydrogen Induced cracks.
The acceptance criteria is there shall.not be a cracks.
If any cracks are found, crack length ratio, crack thickness ratio and crack sensitivity ratio will.be calculated as per NACE TM0284.
You may enquire more information from.your local testing laboratory.
On Sun, Dec 12, 2021, 1:20 PM Chintan Raval <chintan51@gmail.com> wrote:
Dear Experts--For pressure vessel as per asme sec 8 div 1Client specification is asking for HIC test on PQR as per NACE TM 0284 using test solution A.How ever acceptance criteria not specifiedKindly advice which acceptance criteria is apicable in this case
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