【英文标准名称】:Fasteners-Technicaldeliveryconditions-Part24:Hardnessclassesfornutswithoutspecifiedproofloadvalues
【原文标准名称】:紧固件.交货技术条件.第24部分:不带规定验证载荷值的螺母用硬度等级
【标准号】:DIN267-24-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:字母数字的;化学成分;交货条件;名称与符号;紧固件;硬度等级;硬度测量;作标记;材料;机械性能;螺母;性能;刚度;钢;强度等级;材料强度;表面光洁度;测试
【英文主题词】:Alphanumeric;Chemicalcomposition;Deliveryconditions;Designations;Fasteners;Hardnessclasses;Hardnessmeasurement;Marking;Materials;Mechanicalproperties;Nuts;Properties;Rigidity;Steels;Strengthclass;Strengthofmaterials;Surfacefinishes;Testing
【摘要】:Thisstandardcontainshardnessclassesfornutswhichdonothavetowithstandspecifiedproofloads.Thehardnessclassesspecifiedhavebeenclassifiedaccordingtominimumhardnessvaluesfromwhich,however,noconclusionscanbedrawnwithregardtotheIoadabilityofthenutsortheirresistancetostripping.Thefunctionalpropertiesofnutsdependontheirform.Thisstandarddoesnotapplytothefollowing:nutssubjectedtospecifiedproofloadstoDINEN20898-2andDINENISO898-6;prevailingtorque-typenutstoDINENISO2320;nutswithspecialrequirements,suchasweldability,corrosionresistance(seeDINENISO3506-2),high-temperaturestrength(i.e.attemperaturesover+300~C)orlow-temperaturetoughness(i.e.attemperaturesbelow-50~C(seeDIN267-13)).NOTENutsmadeoffree-cuttingsteelshallnotbeusedattemperaturesover+250~C.
【中国标准分类号】:J13
【国际标准分类号】:21_060_20
【页数】:7P.;A4
【正文语种】:英语