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发表于 2018-6-3 22:48:57
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本帖最后由 lyklzy 于 2018-6-3 23:04 编辑
按 ASME CODE Section VIII Division 1 制造设备气压试验时,对金属壁温有要求,见:
ASME Boiler & Pressure Vessel Code 2017 Edition July 1, 2017
Section VIII RULES FOR CONSTRUCTIONOF PRESSURE VESSELS
Division 1
Subsection A General Requirements
Part UG General Requirements for All Methods ofConstruction and All Material
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UG-100 PNEUMATIC TEST (see UW-50)
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(c) The metal temperature during pneumatic test shall be maintained at least 30°F (17°C) above the minimum design metal temperature
to minimize the risk of brittle fracture.
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