SAE AMS6491 Steel Bars, Forgings, and Tubing 4.1Cr - 4.2Mo - 1.0V (0.80 - 0.85CS) Premium Aircraft-Quality for Bearing A

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Product Code:SAE AMS6491
Title:Steel Bars, Forgings, and Tubing 4.1Cr - 4.2Mo - 1.0V (0.80 - 0.85CS) Premium Aircraft-Quality for Bearing Applications, Double Vacuum Melted
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope:This specification covers a premium aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.
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【英文标准名称】:Advancedtechnicalceramics-Ceramiccomposites-Physicalproperties-Determinationofdensityandapparentporosity
【原文标准名称】:高级工业陶瓷.陶瓷复合材料.物理性能.密度和表观孔隙率的测定
【标准号】:BSEN1389-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-02-11
【实施或试行日期】:2004-02-11
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Advancedtechnicalceramics;Bulkdensity;Ceramics;Compositematerials;Definition;Definitions;Densimetry;Density;Fibrereinforced;Immersiontests;Materialstesting;Non-destructivetesting;Physicalproperties;Porosity;Porositymeasurement;Reinforcingmaterials
【摘要】:ThisEuropeanStandarddescribestwomethodsfordeterminationofthebulkdensityandopenporosityofceramicmatrixcompositeswithfibrousreinforcement.TwomethodsaredescribedandaredesignatedasMethodsAandB,asfollows:—methodA:determinationofbulkdensityonlybymeasurementofdimensionsandmass;—methodB:determinationofbulkdensityandopenporositybyliquiddisplacement.NOTEMethodBisnotsuitableforthedeterminationoftheopenporosityformaterialswhichareknowntohaveanaverageporesizeofgreaterthan200μm.
【中国标准分类号】:Q32
【国际标准分类号】:81_060_30
【页数】:12P.;A4
【正文语种】:英语