DIN 2425-6-1982 水资源管理和远程管线的市政共公设施平面图.水利工程、防洪及海岸防护图和规划
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【英文标准名称】:Plansforpublicutilities,waterresourcesmanagementandforlong-distancepipelines;Mapsandplansforwaterengineering,floodandcoastalprotection
【原文标准名称】:水资源管理和远程管线的市政共公设施平面图.水利工程、防洪及海岸防护图和规划
【标准号】:DIN2425-6-1982
【标准状态】:现行
【国别】:德国
【发布日期】:1982-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:符号;图纸;水常规(实验);制图规范
【英文主题词】:symbols;drawings;drawingspecifications;waterpractice
【摘要】:Plansforpublicsupplies,forwaterengineeringandfortransmissionlines;mapsandplansfordesignofwaterways,floodandcoastalprotection
【中国标准分类号】:P55
【国际标准分类号】:01_100_30
【页数】:13P;A4
【正文语种】:德语
Product Code:SAE AMS4946
Title:Titanium Alloy Tubing, Seamless, Hydraulic, 3Al - 2.5V, Texture Controlled, Cold Worked, Stress Relieved
Issuing Committee:Ams G Titanium And Refractory Metals Committee
Scope:This specification covers a titanium alloy in the form of seamless tubing.【英文标准名称】:StandardSpecificationforElectroplatedEngineeringNickelCoatings
【原文标准名称】:电镀工程镍覆层标准规范
【标准号】:ASTMB689-1997(2003)
【标准状态】:现行
【国别】:
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:B08.08
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:电镀;金属;镍;金属覆层;覆层;金属的
【英文主题词】:nickel;electrodeposit;
【摘要】:1.1Thisspecificationcoverstherequirementsforelectroplatednickelcoatingsappliedtometalproductsforengineeringapplications,forexample,foruseasabuildupformismachinedorwornparts,forelectronicapplications,includingasunderplatesincontactsorinterconnections,andincertainjoiningapplications.1.2Electroplatingofnickelforengineeringapplications(Note1)requirestechnicalconsiderationssignificantlydifferentfromdecorativeapplicationsbecausethefollowingfunctionalpropertiesareimportant:1.2.1Hardness,strength,andductility,1.2.2Wearresistance,1.2.3Loadbearingcharacteristics,1.2.4Corrosionresistance,1.2.5Heatscalingresistance,1.2.6Frettingresistance,and1.2.7Fatigueresistance.Note18212;Functionalelectroplatednickelcoatingsusuallycontainabout99%nickel,andaremostfrequentlyelectrodepositedfromaWattsnickelbathoranickelsulfamatebath.Typicalmechanicalpropertiesofnickelelectroplatedfromthesebaths,andthecombinedeffectofbathoperationandsolutioncompositionvariablesonthemechanicalpropertiesoftheelectrodepositaregiveninGuideB832.Whenelectroplatednickelisrequiredtohavehigherhardnesses,greaterwearresistance,certainresidualstressvaluesandcertainlevelingcharacteristics,sulfurandothersubstancesareincorporatedinthenickeldepositthroughtheuseofcertainadditionagentsintheelectroplatingsolution.Fortheeffectofsuchadditives,seeSection4andAnnexA3.Cobaltsaltsaresometimesaddedtotheplatingsolutiontoproducehardernickelalloydeposits.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H62
【国际标准分类号】:25_220_40
【页数】:7P.;A4
【正文语种】:
