【Daily Question】20160420 Requirements for steel pipes in Class II and III vessel shells (Top 50 participants + 2 rewards)

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This post was last edited by humanrzm on 2016-4-21 at 10:06. In order to increase the popularity of the heat exchange section, a \"Question of the Day\" activity has been introduced there; this helps to foster active technical exchanges while also providing members with certain financial rewards. 【Daily Question】True or False: According to the standards, for steel pipes used as the shells of Class II and III containers, the equipment manufacturer must conduct a hydrostatic test on each pipe at the pressure specified for the equipment’s hydraulic test. ( ) Answer: Correct; for more details, see 6.3.9 in HG/T20581. Other information: AC version of heat exchange equipment – “One Question per Day” competition (prizes available for participation; valid on a long-term basis). http://bbs.hcbbs.com/thread-1320941-1-1.html “【Mechanical Section】Recruitment for moderators & technicians; applications and referrals are welcome【Valid on a long-term basis】. If you’re interested, come ahead! 】http://bbs.hcbbs.com/thread-1568748-1-1.html 【Mechanical Section】Call for collection of essential knowledge resources http://bbs.hcbbs.com/thread-1389197-1-1.html Haichuan’s “Gratitude Season” sharing event http://bbs.hcbbs.com/thread-1579172-1-1.html