The specified dimensions of the third type specimen for the Charpy Test of plastic pipe in the Class J – Charpy and Izod Automatic Impact Testing System are as follows:

• Length: 120±2mm
• Width: 15±0.5mm
• Thickness: e (machining pipe thickness)
• Support span: 70±0.5mm

In the case of the third type specimen, the length is controlled within a 2mm tolerance, ensuring consistent measurement. The width is specified as 15±0.5mm, which determines the specimen width. The thickness is denoted by an “e,” representing the machining pipe thickness, which may vary depending on the specific requirements of the testing process. The support span, which is the distance between the supports during testing, is maintained at 70±0.5mm. These dimensional specifications ensure standardized testing conditions for the third type specimen in the Charpy Test of plastic pipe.

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