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WU Bo, GAO Guang-yan, SUN Ming-ye, LI Xia-xi, WANG Xiu-yun. Ductile-brittle Transition Temperature Test of Helical Welding Pipes of a High Pressure Gas Station[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2015, 51(2): 116-119.
Citation: WU Bo, GAO Guang-yan, SUN Ming-ye, LI Xia-xi, WANG Xiu-yun. Ductile-brittle Transition Temperature Test of Helical Welding Pipes of a High Pressure Gas Station[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2015, 51(2): 116-119.
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Ductile-brittle Transition Temperature Test of Helical Welding Pipes of a High Pressure Gas Station

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  • Received Date: May 18, 2014
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    • Abstract
  • Charpy impact test at a series of temperatures (from -80 ℃ to -20 ℃) was done to base metal and weld of the helical welding pipes of a high pressure gas station,and the ductile-brittle transition temperature and applicable temperature of the pipe were measured by analyzing the impact absorbed energy-temperature curves and the fracture morphology.The results show that the ductile-brittle transition temperatures (50% impact absorbed energy) of base metal and weld of the pipe were -34.73 ℃ and -37.02 ℃,respectively.According to ISO 3183-2007,the base metal and weld of the pipe could meet the operating requirements of low temperature environment of -80 ℃ and -40 ℃,respectively.
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