[Daily Question] [Static Equipment AC Version... Question 51] March 22, 2020.. True or False question

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0240550093.jpg【Static Equipment AC Version...Question 51】 March 22, 2020..True or False Question .....................................................Reward rule: 5 wealth points for participation； 10 wealth or more for a correct answer. ...........................................................................1. For steel spherical storage tanks GB12337-2014, when the operating temperature is below -20°C, the steel grade, service condition, and impact test temperature (i.e., the lower limit of the operating temperature for the steel pipe) shall comply with the provisions in Table 8. The chemical composition of 16Mn steel in the table shall meet the requirements of P≤0.025% and S≤0.012%. Steel pipes with an outer diameter of not less than 70 mm and a wall thickness of not less than 6.5 mm are subjected to an impact test at -40°C, and the average impact energy of 3 longitudinal standard specimens shall be not less than 34 J. The technical requirements for 09MnD and 09MnNiD steel pipes shall comply with the relevant provisions in Appendix A of GB150.2-2011. A. Correct B. Incorrect...........................................................................A. (Correct)