【英文标准名称】:ButtweldingEnds
【原文标准名称】:对接焊端
【标准号】:ASMEB16.25-2007
【标准状态】:作废
【国别】:美国
【发布日期】:2007-01-01
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:对接焊;尺寸;管连接件;规范(验收);公差(测量);焊接接头;焊接端;焊接工艺
【英文主题词】:Buttwelding;Dimensions;Pipecouplings;Specification(approval);Tolerances(measurement);Weldedjoints;Weldingends;Weldingprocesses
【摘要】:ThisStandardcoversthepreparationofbuttweldingendsofpipingcomponentstobejoinedintoapipingsystembywelding.Itincludesrequirementsforweldingbevels,forexternalandinternalshapingofheavy-wallcomponents,andforpreparationofinternalends(includingdimensionsandtolerances).Coverageincludespreparationforjointswiththefollowing.(a)nobackingrings;(b)splitornoncontinuousbackingrings;(c)solidorcontinuousbackingrings;(d)consumableinsertrings;(e)gastungstenarcwelding(GTAW)oftherootpass.Detailsofpreparationforanybackingringmustbespecifiedwhenorderingthecomponent.
【中国标准分类号】:J33
【国际标准分类号】:23_040_40
【页数】:28P.;A4
【正文语种】:英语