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发表于 2013-6-4 11:19:26
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根据 ASME BPVC 2011a SECTION II, PART D (METRIC)
TABLE 1A
SECTION I; SECTION III, CLASSES 2 AND 3;* SECTION VIII, DIVISION 1; AND SECTION XII
MAXIMUM ALLOWABLE STRESS VALUES S FOR FERROUS MATERIALS
NOTES TO TABLE 1A
GENERAL NOTES
(e) Stress values for −30°C to 40°C are applicable for colder temperatures when the toughness requirements of Section III, VIII, or XII are met.
所以,如韧性符合规范要求:
SA-516 Gr. 70 -40℃ 的最大许用应力等于 −30 to 40°C 最大许用应力,也就是不超过 138 MPa。
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