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发表于 2013-8-16 15:14:12
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ASME SECTION-I 中有类似的描述:
PG-99.1 Hydrostatic pressure tests shall be applied by raising the pressure gradually to not less than 1 1 ⁄ 2 times the maximum allowable working pressure as shown on the data report to be stamped on the boiler. No part of the boiler shall be subjected to a general membrane stress greater than 90% of its yield strength (0.2% offset) at test temperature. The primary membrane stress to which boiler components are subjected during hydrostatic test shall be taken into account when designing the components. Close visual inspection for leakage is not required during this stage.
但在ASME SECTION-VIII-1已经找不到这样类似的描述了。 |
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