【Daily Question】【Static Equipment – AC Version... Question 28】 February 28, 2020... True or False question
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bk10.jpg【Daily Question】【AC Version for Static Equipment...Question 28】 February 28, 2020...True or False .............................................................Reward rules: 5 Wealth points for correct answers； Participate in explaining 10 Wealth. ...........................................................................1. Steel spherical storage tanks GB12337-2014: The pressure-bearing components of these spherical tanks are made from 07MnNiMoDR normalized steel plates, which meet the requirements of impact tests at -50°C; the lower limit of their operating temperature is -50°C. A. Correct B. Incorrect..........................................................................B. (Quenched and tempered steel plate)
Table 5 of Clause 4.2.7 of GB12337-2014
B is incorrect. According to Table 5 in Clause 4.2.7 of GB12337-2014, the state should be quenched and tempered