ASTM C950/C950M-2008 室外容器上刚性蜂窝式聚氨酯绝缘系统检修的标准实施规程

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【英文标准名称】:StandardPracticeforRepairofaRigidCellularPolyurethaneInsulationSystemonOutdoorServiceVessels
【原文标准名称】:室外容器上刚性蜂窝式聚氨酯绝缘系统检修的标准实施规程
【标准号】:ASTMC950/C950M-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:C16.40
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:coating;outdoorservicevessels;sprayfoam;Outdoorserviceequipment;Polyurethaneinsulation;Repairing;Rigidthermalinsulation
【摘要】:1.1Thispracticecoverstherepairofspray-appliedpolyurethaneinsulationonvesselsnormallyoperatingattemperaturesbetweenx2212;30and+107x00B0;C[x2212;22and+225x00B0;F].1.2Warning8212;Attemperaturesbelow0x00B0;C[32x00B0;F]theapplicationofasprayx201C;foamx201D;directlyontothecoldsubstratemaynotbepossible.Thetermx201C;foamx201D;appliestospray-appliedpolyurethaneorpolyisocyanurate(PURorPIR)rigidcellularplasticonly,andnottoanyotherplasticinsulation.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcernsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecificprecautionarystatementsee1.2.
【中国标准分类号】:Q25
【国际标准分类号】:83_100
【页数】:2P.;A4
【正文语种】:英语

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【英文标准名称】:Specificationforexaminationofthesurfacetextureofprecisionsteelcastings
【原文标准名称】:精加工钢铸件表面结构检验规范
【标准号】:BS7900-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-05-15
【实施或试行日期】:1998-05-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:试验设备;表面缺陷;钢;比较仪;外观检查(试验);验收(鉴定);铸钢;表面纹理;铸件;等级(质量);表面粗糙度测定
【英文主题词】:Acceptance(approval);Caststeels;Castings;Comparators;Grades(quality);Steels;Surfacedefects;Surfacetexture;Surface-roughnessmeasurement;Testequipment;Visualinspection(testing)
【摘要】:ThisBritishStandardspecifieslevelsofsurfaceroughness/textureonsteelcastingsproducedbytheresinshell,lostwax,lostpolystyreneandShawmouldingprocesses(see2.5to2.8forabriefdescriptionofeachprocess).Surfacescreatedbysubsequentfettlingoperations(see2.4)arealsoincluded.Inadditiontothedefinitiverequirements,thisstandardalsorequirestheitemsdetailedinclause4tobedocumented.Forcompliancewiththisstandard,boththedefinitiverequirementsandthedocumenteditemshavetobesatisfied.NOTE.Acceptancelevelsshouldbeagreedbetweenthecastingproducerandpurchaserbyreferencetoasetofreferencetactilecomparatorswhichrepresentthesurfacesproducedbythefourmouldingprocessesafterblasting,andalso,surfacescreatedbysubsequentfettlingoperations.AnnexAcontainsfullsizephotographsofthecomparatorplatestoassistinmakingarapidreviewoftheoverallcontentoftheset.Itisemphasized,however,thatthecomparatorsandnotthephotographsshouldbeusedtoformthebasisofagreementAgreementandacceptanceisbyvisualexaminationandtouch.note:1)ForinformationontheavailabilityofcomparatorscontacttheBSIInformationCentre,BritishStandardsHouse,389ChiswickHighRoad,LondonW44AL.
【中国标准分类号】:J31
【国际标准分类号】:77_140_80
【页数】:12P;A4
【正文语种】:英语

Product Code:SAE AMS7210
Title:Cotter Pins, Steel, Corrosion-Resistant 18cr 9.5ni (Cancelled Oct 1993)
Issuing Committee:
Scope: