ISO 10587-2000 金属和其他无机覆盖层有金属覆层和无覆层外螺纹件和棒材表面残余脆性试验斜楔法

作者:标准资料网 时间:2024-05-16 12:48:24  浏览:8732   来源:标准资料网

【英文标准名称】:Metallicandotherinorganiccoatings-Testforresidualembrittlementinbothmetallic-coatedanduncoatedexternally-threadedarticlesandrods-Inclinedwedgemethod
【原文标准名称】:金属和其他无机覆盖层有金属覆层和无覆层外螺纹件和棒材表面残余脆性试验斜楔法
【标准号】:ISO10587-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-02
【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/TC107
【标准类型】:()
【标准水平】:()
【中文主题词】:硬度试验;目的;金属的;氢含量;涂层材料;无机物的;金属覆层;定义;试验;外螺纹;脆裂;氢脆;覆层;化学镀敷;斜坡(屋顶);紧固件;棒材;残留物含量
【英文主题词】:Bars(materials);Chemicalplating;Coatingmaterials;Coatings;Definition;Definitions;Embrittlement;Externalthreads;Fall(roof);Fasteners;Hydrogencontent;Hydrogenembrittlement;Inorganic;Metalcoatings;Metallic;Objects;Residualcontent;Testing;Wedgetests
【摘要】:ThisInternationalStandardspecifiesamethodofdetermining,onastatisticalbasis,theprobabilityoftheexistenceofhydrogenembrittlementordegradationin:a)abatchofbarrelelectroplated,autocatalyticplated,phosphatedorchemicallyprocessedthreadedarticles;b)abatchofrackplatedthreadedarticlesorrods.ThisInternationalStandardisapplicabletothreadedarticlesandrodmadefromsteelwithanactualtensilestrength≥1000MPa(correspondinghardnessvalues:300HV,303HBor31HRC)ortosurface-hardenedthreadedarticlesorrods.Itisnotapplicabletofasteners.Thetestmethodiscarriedoutafterhydrogenembrittlementreliefheattreatmentandmayalsobeusedforassessingdifferencesinprocessingsolutions,conditionsandtechniques.Thetestmethodhastwomainfunctions:a)whenusedwithastatisticalsamplingplanitcanbeusedforlotacceptanceorrejection;b)itcanbeusedasacontroltesttodeterminetheeffectivenessofthevariousprocessingstepsincludingpre-andpost-bakingtreatmentstoreducethemobilehydrogeninthearticlesorrod.Althoughthetestmethodiscapableofindicatingthosearticlesthatareembrittledtotheextentdefinedinclause2,itdoesnotguaranteecompletefreedomfromembrittlement.ThisInternationalStandarddoesnotrelievetheplater,processorormanufacturerfromimposingandmonitoringsuitableprocesscontrol.NOTE1Theuseofinhibitorsinacidpicklingbathsdoesnotnecessarilyguaranteeavoidanceofhydrogenembrittlement.NOTE2AnnexAprovidesguidanceonsourcesofintroductionofhydrogenintothreadedarticles.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40;25_220_99
【页数】:8P.;A4
【正文语种】:英语