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  1. Engkzd77

    Discontinuous surface cracks appeared on steel rebars

    Thanks a lot metengr for your help
  2. Engkzd77

    Discontinuous surface cracks appeared on steel rebars

    Thanks for your reply metengr, I need to know the possible reasons for such cracks and the expected sources to occur.
  3. Engkzd77

    Discontinuous surface cracks appeared on steel rebars

    This is the original defective samplehttp://files.engineering.com/getfile.aspx?folder=52530438-a5e1-4e9c-af67-ede84f74ed2a&file=image.jpg
  4. Engkzd77

    Discontinuous surface cracks appeared on steel rebars

    Other type of crack found in same samplehttp://files.engineering.com/getfile.aspx?folder=dd591d17-44fa-49fb-ad2a-c1f49588440e&file=image.jpg
  5. Engkzd77

    Discontinuous surface cracks appeared on steel rebars

    Thank you all for your replays. For more details and clarification about the problem I attached three microstructure test results (two types of cracks were found)http://files.engineering.com/getfile.aspx?folder=9b714466-8f35-47ba-ae24-7008a56a76fd&file=image.jpg
  6. Engkzd77

    Discontinuous surface cracks appeared on steel rebars

    I'm working as a quality control engineer in EZDK company (Egypt) which produce deformed steel rebars. We use QTB technology for producing rebars. Recently, discontinuous cracks appeared on the Deformed 12 mm rebars surface. Micro structure test showed that the crack depth is about 0.8 mm. I...

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