ISO 20805-2011 冷轧用改进可成形性和特厚较高屈服强度的热轧薄钢板卷材

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【英文标准名称】:Hot-rolledsteelsheetincoilsofhigheryieldstrengthwithimprovedformabilityandheavythicknessforcoldforming
【原文标准名称】:冷轧用改进可成形性和特厚较高屈服强度的热轧薄钢板卷材
【标准号】:ISO20805-2011
【标准状态】:现行
【国别】:国际
【发布日期】:2011-05-01
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC17
【标准类型】:()
【标准水平】:()
【中文主题词】:验收规范;化学成分;冷锻造;冷加工;定义(术语);交货条件;尺寸规格;精整;扁平制品;扁平轧材;扁钢;优质钢;高强度钢;热轧的;标志;材料;机械性能;顺序示度;性能;轧制的;轧制钢材;规范(验收);钢棒;钢;结构钢;试验;公差(测量);可焊性;可加工性;屈服强度
【英文主题词】:Acceptancespecification;Chemicalcomposition;Coldforging;Cold-working;Definitions;Deliveryconditions;Dimensions;Finishes;Flatproducts;Flatrolledproducts;Flatsteels;High-gradesteels;High-tensilesteels;Hotrolled;Marking;Materials;Mechanicalproperties;Orderindications;Properties;Rolled;Rolledsteels;Specification(approval);Steelbars;Steels;Structuralsteels;Testing;Tolerances(measurement);Weldability;Workability;Yieldstrength
【摘要】:1.1ThisInternationalStandardappliestocontinuoushot-rolledsteelsheetofhigheryieldstrengthwithimprovedformability.Thesteeliskilled,madeaccordingtoafine-grainpracticeandhasasuitablechemicalcomposition,whichincludesmicroalloyingelements,toprovideimprovedformability.Thesteelcanbetreatedtoachieveinclusioncontrol.Theproductisintendedforapplicationswherepartsaretobefabricatedrequiringbetterformabilitythanisprovidedbynormalhigh-yield-strengthsteelsheet.Itisgenerallyusedintheasdeliveredcondition.Thisproductiscommonlyproducedonawidestripmill.Becauseofthecombinationofhigherstrengthandimprovedformability,itispossibletoobtainsavingsinmassalongwithbetterweldability(see4.4).1.2Thisproductiscommonlyproducedintherangeofthicknessesgreaterthan6mmto25mm,andwidthsof600mmandover,incoils.Hot-rolledsheetlessthan600mmwidecanbeslitfromwidesheetandwillbeconsideredassheet.1.3ThisInternationalStandarddoesnotcoversteelsintendedforboilersorpressurevessels,orsteelsdesignatedascommercialquality,drawingqualityorstructuralquality,orsteelsrolledtocold-reducedproducts,orsteelsdesignatedasweatheringsteels,havingincreasedatmosphericcorrosionresistance,orthoseproductsrolledonaplatemill.
【中国标准分类号】:H46
【国际标准分类号】:77_140_50
【页数】:14P.;A4
【正文语种】:英语