ASME B16.25是什么意思

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解决时间 2021-04-01 06:07

提问者网友：抽煙菂渘情少年
2021-03-31 18:27

ASME B16.25是什么意思

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五星知识达人网友：摆渡翁
2021-03-31 19:44

是美国机械工程师协会的标准，主要是对管道系统中的法兰、管件等对接接头的准备做了详细的规定。下面两段英文是其标准的适用范围的描述：

1SCOPE
1.1General
ThisStandardcoversthepreparationofbuttweldingendsofpipingcomponentstobejoinedintoapipingsystembywelding.Itincludesrequirementsforweldingbevels,forexternalandinternalshapingofheavy-wallcomponents,andforpreparationofinternalends(includingdimensionsandtolerances).Coverageincludespreparationforjointswiththefollowing:(a)nobackingrings(b)splitornoncontinuousbackingrings(c)solidorcontinuousbackingrings(d)consumableinsertrings(e)gastungstenarcwelding(GTAW)oftherootpass.Detailsofpreparationforanybackingringmustbespecifiedwhenorderingthecomponent.

1.2Application
ThisStandardappliestoanymetallicmaterialsforwhichaweldingprocedurecanbesatisfactorilyquali-fied,butdoesnotprescribespecificweldingprocessesorprocedures.Unlessotherwisespecifiedbythepur-chaser,itdoesnotapplytoweldingendsconformingtoASMEB16.5orB16.9.

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