【英文标准名称】:StandardSpecificationforElectric-Fusion-WeldedSteelPipeforAtmosphericandLowerTemperatures
【原文标准名称】:常温和较低温用电熔焊钢管的标准规范
【标准号】:ASTMA671/A671M-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:螺栓连接(法兰);化学成分分析;镀膜;在紧固件上标记;压印;合金钢螺栓材料规范;碳钢螺栓材料规范;碳钢法兰/配件/阀门/零件规范;高温用设备;螺母规范
【英文主题词】:bolting;chemicalanalysis;coated;markingonfasteners;plated;Alloysteelboltingmaterials--specifications;Carbonsteelboltingmaterials--specifications;Carbonsteelflanges/fittings/valves/parts--specifications;High-temperatureserviceapplicat
【摘要】:1.1Thisspecificationcoversavarietyofcarbon,alloy,andmartensiticstainlesssteelnutsinthesizerangex00BC;through4in.andmetricM6throughM100nominal.Italsocoversausteniticstainlesssteelnutsinthesizerange1/4in.andM6nominalandabove.Thesenutsareintendedforhigh-pressureorhigh-temperatureservice,orboth.Gradesubstitutionswithoutthepurchaser''spermissionarenotallowed.1.2Barsfromwhichthenutsaremadeshallbehot-wrought.Thematerialmaybefurtherprocessedbycenterlessgrindingorbycolddrawing.Austeniticstainlesssteelmaybesolutionannealedorannealedandstrain-hardened.WhenannealedandstrainhardenedausteniticstainlesssteelisorderedinaccordancewithSupplementaryRequirementS1,thepurchasershouldtakespecialcaretoensurethat8.2.2,SupplementaryRequirementS1,andAppendixX1arethoroughlyunderstood.1.3Supplementaryrequirements(S1throughS8)ofanoptionalnatureareprovided.Theseshallapplyonlywhenspecifiedintheinquiry,contract,andorder.1.4Thisspecificationisexpressedinbothinch-poundunitsandinSIunits.However,unlesstheorderspecifiestheapplicablex201C;Mx201D;specificationdesignation(SIunits),thematerialshallbefurnishedtoinch-poundunits.1.5Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.Withinthetext,theSIunitsareshowninbrackets.
【中国标准分类号】:H48
【国际标准分类号】:23_040_10
【页数】:7P.;A4
【正文语种】: