DIN 2634-1975 预焊法兰.公称压力25

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【英文标准名称】:StandardTestMethodforSealQualityofAnodicCoatingsonAluminumbyAcidDissolution
【原文标准名称】:用酸溶解法测定铝的阳极镀层封闭质量的试验方法
【标准号】:ASTMB680-1980(2004)
【标准状态】:现行
【国别】:
【发布日期】:1980
【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】:B08.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:覆层;酸溶解法;铝;试验;阳极镀层;金属;检验;密封
【英文主题词】:
【摘要】:Thistestmethoddescribesadestructivetestprocedureformeasuringthedegreeofsealoftheporosityinanodicoxidecoatings.Lowcoatingmasslossisanindicationofgoodsealqualityandoftheabilityofthecoatingtoresiststainingandx201C;bloomingx201D;inmanytypesofservice.Thistestmethodissuitableforqualitycontrolpurposeswithinmanufacturingoperationsandfordeterminingwhetheranodizedpartsmeetsealqualityrequirementsinapplicablespecifications.1.1Thistestmethodcoversatestforthequalityofsealofporousanodiccoatingsonaluminumanditsalloys.Itisbaseduponthelossinmassofthecoatingafterimmersioninawarmphosphoric-chromicacidsolution.1.2Thistestmethodisapplicabletoanodiccoatingsintendedforexposuretotheweather,orforprotectivepurposesincorrosivemedia,andwhereresistancetostainingisimportant.1.3Thistestmethodisnotapplicableto:1.3.1Hardcoatings,whichnormallyarenotsealed.1.3.2Anodiccoatingsthathavebeensealedonlyindichromatesolutions.1.3.3Anodiccoatingsthathaveundergoneatreatmenttorenderthemhydrophobic.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40(METALLICCOATINGS)
【页数】:2P.;A4
【正文语种】:


【英文标准名称】:Adjustablewrenches
【原文标准名称】:活扳手
【标准号】:ASMEB107.8M-1996
【标准状态】:作废
【国别】:美国
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国机械工程师协会(ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:手工工具;工作质量;扳手;旋具;块规;检验荷载;可调的;规范(批准);试验;硬度;定义;材料规范
【英文主题词】:specification(approval);screwdrivers;adjustable;materialsspecification;testing;gaugeblocks;handtools;definitions;proofloading;workmanship;wrenches;hardness
【摘要】:
【中国标准分类号】:J47
【国际标准分类号】:25_140_30
【页数】:14P;A4
【正文语种】:英语