Pipe and Valve Knowledge: [Question of the Day] 2011-03-21

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This post was last edited by superkiller0305 on 2011-3-22 at 12:26. Single-choice question: For steel materials whose material standards are not clear, the allowable stress for tension or compression is set at _____, and the operating temperature limit is set at _____. A. 82MPa –19°C to 343°C B. 50MPa –19°C to 343°C C. 82MPa 0°C to 343°C D. 60MPa –19°C to 343°C 1) All participants will receive a reward (usually 5 points for correct answers, 3 points for incorrect ones, 1 point for those without any explanation; additional points may be given for detailed discussions) ； 2) Please hide your replies; here’s how to do it ； 3) Please do not edit after replying ； 4) This question is closed the next day or when a new daily question is released; 5) Answer: A, 82 MPa – temperature range from -19°C to 343°C. For details, refer to page P37 of the implementation guide for GB/T 20801-2006 \"Code for Pressure Piping – Industrial Piping\"