作者:标准资料网 时间:2024-05-06 03:10:50   浏览:9815   来源:标准资料网

【英文标准名称】:Cold-reducedsteelsheetofstructuralquality
【原文标准名称】:结构级冷轧薄钢板
【标准号】:ISO4997-1999
【标准状态】:作废
【国别】:国际
【发布日期】:1999-03
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC17
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;试验;钢;作标记;结构钢;尺寸;冷加工;产品;薄板材;铁;定义;冷轧的;规范
【英文主题词】:Coldrolled;Cold-working;Definition;Definitions;Dimensions;Iron;Marking;Products;Sheetmaterials;Specifications;Steels;Structuralsteels;Testing;Tests
【摘要】:1ThisInternationalStandardappliestocold-reducedsteelsheetofstructuralqualityingradesCR220,CR250,CR320andCH550intheclassesgivenintable1,usuallywithouttheuseofmicroalloyingelements.Theproductisintendedforstructuralpurposeswhereparticularmechanicalpropertiesarerequired.Itisgenerallyusedinthedeliveredconditionforfabricatingpurposes,suchasbending,formingorwelding.2Thisproductiscommonlyproducedinthicknessesfrom0,36mmupto3mmandinwidthsof600mmandover,incoilsandcutlengths.3Coldreducedsheetlessthan600mmwidemaybeslitfromwidesheetandwillbeconsideredassheet.4ThisInternationalStandarddoesnotcoversteelsdesignatedascommercialqualityordrawingqualities(coveredinISO3574),cold-reducedcarbonsteelsheettohardnessrequirements(coveredinISO5954),coldreducedsteelsheetofhigherstrengthwithimprovedformability(coveredinISO13887),orcold-reducedsteelsheetofhightensilestrengthandlowyieldpointwithimprovedformability(coveredinISO14590).
【中国标准分类号】:H46
【国际标准分类号】:77_140_10;77_140_50
【页数】:12P;A4
【正文语种】:英语