ASTM C455-2007 铬砖、铬镁砖、镁铬砖和镁砖的标准分类
时间:2024-05-19 01:51:35 来源: 标准资料网 作者：标准资料网 阅读：8063
【英文标准名称】:StandardClassificationofChrome,Chrome-Magnesia,Magnesia-Chrome,andMagnesiaBrick
【原文标准名称】:铬砖、铬镁砖、镁铬砖和镁砖的标准分类
【标准号】:ASTMC455-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:C08.92
【标准类型】:(Classification)
【标准水平】:()
【中文主题词】:砖;铬;分类系统;菱镁矿;耐火材料
【英文主题词】:brick;chrome;classification;magnesiumoxide;magnesia;MgO;refractories
【摘要】:Thisclassificationcategorizesthedefinedtypesofrefractorybrick,withtheexceptionofchromebrick,intodistinctclassesbasedonanominalandminimalvalueformagnesiumoxidecontent.Chromebrickaretreatedasaseparateclasswithoutreferencetomagnesiumoxidecontent.Suchclasseshavehistoricallybeengenerallyusefulinrelatingthedefinedtypestospecificindustrialapplicationsandindevelopingproductorpurchasingspecifications.1.1Thisclassificationcategorizesmachine-maderefractorybrickdefinedaschrome,chrome-magnesia,magnesia-chrome,andmagnesiabrick(see3.1).Itdoesnotcoverproductsmadefromelectricallyfusedmagnesiumoxideortoproductsmadebyfusioncasting.Itspurposeistodescribeclassesdistinguishedbyobviousdifferencesinmagnesiumoxide(MgO)contentexceptforchromebrick.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q40
【国际标准分类号】:81_080
【页数】:2P.;A4
【正文语种】:
Product Code:SAE AMS2422
Title:Plating, Gold
Issuing Committee:Ams B Finishes Processes And Fluids Committee
Scope:This specification covers the engineering requirements for electrodeposition of gold and the properties of the deposit.【英文标准名称】:TestMethodforDiscriminationBetweenFlammabilityRatingsofF=0andF=1
【原文标准名称】:可燃比率在F=0和F=1之间的识别试验方法
【标准号】:ANSI/ASTMD6668-2001
【标准状态】:作废
【国别】:美国
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Accidentprevention;Buildingmaterials;Burningbehaviours;Disastercontrol;Fireprevention;Fireresistance;Firesafety;Flammability;Ratings;Refractability;Testmethods;Testing
【摘要】:Thistestmethodcoversameansforthediscriminationbetweensolidandliquidmaterialswhichwillnotburninairwhenexposedtoatemperatureof1500?F(815.5?C)foraperiodof5minandthosewhichwilligniteandburnunderthesameconditions.Thistestmethodmaybeappliedtoanysubstancewhichisasolidorliquidatambienttemperatureandpressure.Thepurposeofthistestmethodistoprovideameansfortheclassificationoftheflammabilityhazardofmaterialsofhazarddegrees(F=0)and(F=1)orboth,inaccordancewiththedefinitionsofdegreesofflammabilityhazardasdefinedbyNFPA704(par.3.2.1).Thistestmethodshouldbeusedsubjecttothelimitationsthatnosinglefirehazardpropertysuchasflashpoint,ignitiontemperature,ortheperformanceundertheconditionsofthepresentmethodshallbeusedtodescribeorappraisethefirehazardorfireriskofamaterial,product,assemblyorsystemunderactualfireconditions.Firehazardpropertiesmeasuredundercontrolledlaboratoryconditionsmay,nevertheless,beemployedtodescribeproperlytheresponseofmaterials,products,assembliesorsystemsundersaidcontrolledconditions.Propertiesmeasuredundercontrolledlaboratoryconditionsmaybeusedaselementsofhazardorriskassessmentonlywhensuchassessmenttakesintoaccountallofthefactorsthatarepertinenttotheevolutionofthefirehazardofagivensituation.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandardisusedtopredictorprovideaquantitativemeasureofthefirehazardfromaspecifiedsetoffireconditionsinvolvingspecificmaterials,products,orassemblies.Thisassessmentdoesnotnecessarilypredictthehazardofactualfireswhichinvolveconditionsotherthanthoseassumedintheanalysis.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:13_220_50
【页数】:
【正文语种】:英语