Ball valve flow channel sleeve, 2CR13 material with hardening treatment – how to prevent thin-walled pipes from deforming
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The flow channel sleeves for ball valves are made of 2CR13 material, with a hardness of HRC40-45. How can deformation be avoided? For example, in cases where the outer diameter is 400 mm, the wall thickness is 7 mm, and the length is 200 mm, both quenching and vacuum quenching have been tried, but deformation still occurs due to the thinness of the tubes. I seek advice. All the flow channel sleeves for valves produced by Tenais are made of 2CR13, with a hardness of HRC40-43, and no deformation occurs in such cases
Overall nitriding thickness of 0.2mm enables hardening