How is the pipe expansion amount calculated for pipes with casting materials?~

2017-06-28View Original

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I have a pipeline at the moment, with a lining made of cast material; its outer wall thickness is 475, the inner wall thickness is 310, the vertical distance is 13.5 meters, and the horizontal distance is 3.5 meters. The internal flue gas temperature is 500°C. . So how are the vertical expansion coefficient and the horizontal expansion coefficient calculated? . Also, should gravity be taken into account for the vertical coefficient of expansion? I find it very confusing. . The temperature of the outer wall of the additional casting material, that is, the inner lining of the steel pipe, is approximately 100°C. Which layer is used to calculate the temperature difference? @At the foot of Hengshan Slope

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How is the pipe expansion amount calculated for pipes with casting materials?~

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