【英文标准名称】:Petroleumandrelatedproducts-Determinationoftheextreme-pressureandanti-wearpropertiesoffluids-Fourballmethod(Europeanconditions)
【原文标准名称】:石油及相关产品.用4球法测定流体的极限压力和耐磨性(欧洲条件)
【标准号】:ISO20623-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-12
【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/TC28
【标准类型】:()
【标准水平】:()
【中文主题词】:测定;磨损;特性;石油产品;定义;耐压性;数学计算;预防作用;测量;磨切;液体;耐磨性;压力性能;环氧树脂;试验;润滑剂;液体燃料;超压润滑剂;测量技术
【英文主题词】:Attrition;Definitions;Determination;Extremepressurelubricant;Liquidfuels;Liquids;Lubricants;Mathematicalcalculations;Measurement;Measuringtechniques;Petroleumproducts;Pressurebehaviour;Pressureresistance;Preventiveactions;Properties;Testing;Wear;Wearresistance
【摘要】:ThisInternationalStandardspecifiesproceduresforthemeasurementoftheextreme-pressure(EP)andantiwearpropertiesoflubricatingoilsandfluidsbymeansofthefourballmachine.TheconditionsoftestarethosethatapplyinEuropeandotherareasthathavesimilarelectricalsupplycharacteristics(200Vto250V,50Hz).InNorthAmerica,theconditionsoftestareslightlydifferent,butprovideasimilarrankingofthelubricatingpropertiesoffluids.Thetestconditionsarenotintendedtosimulateparticularserviceconditions,buttoprovideinformationoverarangeofstandardconditionsforthepurposeofresearch,development,qualitycontrolandfluidranking.Theoutputisusedinlubricantspecifications.
【中国标准分类号】:E30
【国际标准分类号】:75_100
【页数】:17P;A4
【正文语种】:英语


Product Code:SAE AMS4995
Title:Billets and Preforms, 5Al - 2Sn - 2Zr - 4Cr - 4Mo - 0.10O, Premium Quality, Powder-Metallurgy Product
Issuing Committee:Ams G Titanium And Refractory Metals Committee
Scope:This specification covers a premium-quality, titanium alloy powder-metallurgy product in the form of billets and preforms for forgings.