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Does the creep limit play a role in determining the allowable stress value?

2016-07-28View Original

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Clause 3.6.1 of GB150.2 states that the allowable stresses on the right side of the thick lines in the tables of allowable stresses for steel plates and steel pipes are determined by the high-temperature creep strength limit of the steel material after 100,000 hours. In Table 1 of GB150.1, the allowable stresses for steel plates and steel pipes are determined by including the creep limit at the design temperature; then does the creep limit play a role in determining the allowable stresses for plates and pipes? When does it take effect?

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