【英文标准名称】:StandardSpecificationforCold-FormedWeldedandSeamlessHigh-Strength,Low-AlloyStructuralTubingwithImprovedAtmosphericCorrosionResistance
【原文标准名称】:具有增强耐大气腐蚀性能的冷成型焊接与无缝高强度低合金结构管标准规格
【标准号】:ASTMA847/A847M-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【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】:A01.09
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:Alloysteeltube--specifications;Atmosphericcorrosionmaterials/applications--specifications;Bridge/structuralmaterials--specifications;Cold-formedsteeltube--specifications;Corrosion--metals/alloys;Corrosiveserviceapplications--tube(steel);HS
【摘要】:1.1Thisspecificationcoverscold-formedweldedandseamlesshigh-strength,low-alloyround,square,rectangular,orspecialshapedstructuraltubingforwelded,riveted,orboltedconstructionofbridgesandbuildingsandforgeneralstructuralpurposeswherehighstrengthandenhancedatmosphericcorrosionresistancearerequired(Note1).Theatmosphericcorrosionresistanceofthissteelinmostenvironmentsissubstantiallybetterthancarbonsteelwithorwithoutcopperaddition(Note2).Whenproperlyexposedtotheatmosphere,thissteelcanbeusedbare(unpainted)formanyapplications.Whenthissteelisusedinweldedconstruction,theweldingprocedureshallbesuitableforthesteelandtheintendedservice.1.2Thistubingisproducedinweldedsizeswithamaximumperipheryof64in.[1626mm]andamaximumwallof0.625in.[15.9mm],andinseamlesswithamaximumperipheryof32in.[813mm]andamaximumwallof0.500in.[12.7mm].Tubinghavingotherdimensionsmaybefurnishedprovidedsuchtubingcomplieswithallotherrequirementsofthisspecification.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.Note18212;Productsmanufacturedtothisspecificationmaynotbesuitableforthoseapplicationswherelowtemperaturenotchtoughnesspropertiesmaybeimportant,suchasdynamicallyloadedelementsinweldedstructures,etc.Note28212;FormethodsofestimatingtheatmosphericcorrosionresistanceoflowalloysteelsseeGuideG101oractualdata.
【中国标准分类号】:
【国际标准分类号】:23_040_10;23_040_40
【页数】:5P.;A4
【正文语种】:


【英文标准名称】:StandardTestMethodforBoilingPointDistributionofSampleswithResiduesSuchasCrudeOilsandAtmosphericandVacuumResiduesbyHighTemperatureGasChromatography
【原文标准名称】:用高温气相色谱法测定带有类似原油和大气以及真空残留物的样品的沸点分布的标准试验方法
【标准号】:ASTMD7169-2005
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:高温;气相色谱法;气体;大气的;残留物;物理化学法;分配;分析方法;试样;沸点;原油;真空的;试验
【英文主题词】:samples;boilingpoint;distribution;testing;gases;physico-chemicalmethods;vacuum;crudeoils;gaschromatography;atmospheric;analyticalmethods;residues;hightemperature
【摘要】:
【中国标准分类号】:Z15
【国际标准分类号】:71_040_50
【页数】:17P;A4
【正文语种】:英语