【Daily Question】2016.01.12 15CrMo welding (2 wealth points for replying, plus 3-8 additional wealth points for a correct answer)
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This post was last edited by FORREST_GUMP on 2016-1-17 at 20:18. The Mechanical Section has introduced the \"Question of the Day\" feature, which aims to foster an active atmosphere for technical discussions and guide the direction of such exchanges. It also provides users with financial rewards, helping them experience various cool features. True or False: Welding of 15CrMo pressure vessel steel plates generally requires pre-welding heating and post-weld stress-relief heat treatment. (√) GB150.4-2011, Page 331, Table 5. Note: We will close this thread after 24 hours, and at that time we will announce the best response (the most helpful answer), along with the solution and explanation. The competition for \"Active Experts and Weekly Stars\" in the Machinery section has begun: http://bbs.hcbbs.com/thread-1489069-1-1.html. A comprehensive guide to preventing equipment from freezing over winter: http://bbs.hcbbs.com/thread-1502793-1-1.html
Welding of 15CrMo pressure vessel steel plates generally requires pre-welding heating and post-weld stress-relief heat treatment. (Correct)
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Welding of 15CrMo pressure vessel steel plates generally requires pre-welding heating and post-weld stress-relief heat treatment. (√)
Error: Preheating is required if the value is greater than 10 mm, as well as post-weld heat treatment
Welding of 15CrMo pressure vessel steel plates generally requires pre-welding heating and post-weld stress-relief heat treatment. (Yes)
Welding of 15CrMo pressure vessel steel plates generally requires pre-welding heating and post-weld stress-relief heat treatment. (Yes)
Welding of 15CrMo pressure vessel steel plates generally requires pre-welding heating and post-weld stress-relief heat treatment. (Correct)
Yes. . . . . . . . . . . . . .