ASTM A968/A968M-1996(2009) 和耐热耐蚀设备用铬,铬镍及硅合金钢棒材及型材的标准规范

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【英文标准名称】:StandardSpecificationforChromium,Chromium-Nickel,andSiliconAlloySteelBarsandShapesforCorrosionandHeat-ResistingService
【原文标准名称】:和耐热耐蚀设备用铬,铬镍及硅合金钢棒材及型材的标准规范
【标准号】:ASTMA968/A968M-1996(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【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】:A01.17
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:Chromiumalloysteel--specifications;Chromium-nickel-alloysteel--specifications;Corrosiveserviceapplications--bars/rods/shapes;Siliconalloysteel;Steelbarsandshapes--specifications
【摘要】:1.1Thisspecificationcovershot-andcold-finishedalloysteelbarshavingachromiumcontentequaltoorlessthan11.0%includingrounds,squares,hexagons,andhot-rolledorextrudedshapesforuseincorrosionandheat-resistingservice.1.2Somesteelscoveredbythisspecification,especiallythehighsilicon-containingsteels,becauseoftheirparticularalloycontentandspecializedproperties,mayrequirespecialcareintheirfabricationandwelding.Specificproceduresareoffundamentalimportance,anditispresupposedthatallparameterswillbeinaccordancewithapprovedtestmethodscapableofproducingthedesiredpropertiesinthefinishedfabrication.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4Thisspecificationandtheapplicablematerialspecificationsareexpressedinbothinch-poundandSIunits.However,unlesstheorderspecifiestheapplicablex201C;Mx201D;specificationdesignation(SIunits),thematerialshallbefurnishedininch-poundunits.
【中国标准分类号】:H62
【国际标准分类号】:77_120_01
【页数】:2P.;A4
【正文语种】:英语