【英文标准名称】:StandardPracticeforFluxLeakageExaminationofFerromagneticSteelTubularProducts
【原文标准名称】:铁磁钢管形制品的磁力泄漏检验的标准实施规程
【标准号】:ASTME570-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E07.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:electromagnetic(eddycurrent)testing;ferromagnetic;fluxleakage;NDT;nondestructivetesting;steel;tubularproducts;Discontinuities--metals/alloys;Electromagnetic(eddycurrent)testing;Ferromagneticpipe/tube;Fluxleaktesting;Leaktesti
【摘要】:Thispracticeoutlinesaprocedureforexaminingferromagnetictubularproductsusingthefluxleakagemethod.Ifproperlyapplied,thismethodiscapableofdetectingthepresenceandlocationofsignificantlongitudinallyortransverselyorienteddiscontinuitiessuchaspits,scabs,slivers,gouges,roll-ins,laps,seams,cracks,holes,andimproperweldsinferromagnetictubesunderinspection.Inaddition,theseverityofadiscontinuitymaybeestimatedandarejectionlevelsetwithrespecttothemagnitudeoftheelectromagneticindicationproducedbythediscontinuity.Theresponsefromnaturaldiscontinuitiescanbesignificantlydifferentfromtheresponseforartificialdiscontinuitiessuchasdrilledholesornotchesofequivalentdepth.Forthisreason,sufficientworkshouldbedonetodeterminetheconditionsnecessarytodetectandmarknaturaldiscontinuitieswhosecharacteristicswilladverselyaffecttheserviceabilityofthetube,inordertoestablishacceptancecriteriabetweenthesupplierandpurchaser.1.1Thispracticecoverstheapplicationandstandardizationofequipmentusingthefluxleakagetestmethodfordetectionofoutersurface,innersurface,andsubsurfacediscontinuitiesinferromagneticsteeltubularproducts(Note1)ofuniformcrosssectionsuchasseamlessandweldedtubing.Note18212;Thetermx201C;tubex201D;orx201C;tubularproductx201D;willbeusedtorefertobothpipeandtubing.1.2Thispracticeisintendedforuseontubularproductshavingoutsidediametersfromapproximatelyx00BD;to24in.(12.7to610mm)withwallthicknessestox00BD;in(12.7mm).Thesetechniqueshavebeenusedforothersizes,however,andmaybesospecifieduponcontractualagreementbetweenthepurchaserandthesupplier.1.3Thispracticedoesnotestablishacceptancecriteria;theymustbespecifiedbytheusingparties.1.4Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:77_140_40
【页数】:7P.;A4
【正文语种】:英语


【英文标准名称】:Designloadsbuildings;liveloads;windloadsanstructuresnotsuspectibletovibrations;amendment1;corrections
【原文标准名称】:建筑物设计负荷:有效载荷.建筑物不易受振动的风力载荷:修改件1:修改值
【标准号】:DIN1055-4/A1-1987
【标准状态】:作废
【国别】:德国
【发布日期】:1987-06
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:活荷载;设计荷载;风荷载;结构设计;空气动力学;建筑;荷载;负荷测量;建筑结构;力;压力;数学计算;建设工程;建筑物
【英文主题词】:constructionworks;pressure;loading;mathematicalcalculations;loadmeasurement;windloading;structuraldesign;construction;force;aerodynamics;buildings;liveloading
【摘要】:
【中国标准分类号】:P20
【国际标准分类号】:91_010_30
【页数】:2P;A4
【正文语种】:德语