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ASTM A802/A802M-1995(2010) 钢铸件外观检查表面验收标准的标准实施规程

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【英文标准名称】:StandardPracticeforSteelCastings,SurfaceAcceptanceStandards,VisualExamination
【原文标准名称】:钢铸件外观检查表面验收标准的标准实施规程
【标准号】:ASTMA802/A802M-1995(2010)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:A01.18
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:钢铸件;表面验收标准;视觉的;铸件;冷测试;膨胀;熔融;夹杂物;显微结构;非金属夹杂物;孔隙率;评级制度;参考图片;粗糙度;收缩
【英文主题词】:steelcastings;surfaceacceptancestandards;visual;Castings;Chilltesting;Expansion;Fusion;Inclusions;Microstructures;Nonmetallicinclusions;Porosity;Ratingsystem;Referencephotographs;Roughness;Shrinkage
【摘要】:1.1Thispracticecoverstheacceptancecriteriaforthesurfaceinspectionofsteelcastingsbyvisualexamination.Fourlevelsofacceptancestandardsareprovided.1.2AcceptancelevelsutilizeSteelCastingsResearchandTradeAssociation(SCRATA)gradedreferencecomparatorsforthevisualdeterminationofsurfacetexture,surfaceroughness,andsurfacediscontinuitiesdescribedasfollows:AcceptancelevelsASurfaceTextureBNonmetallicInclusionsCGasPorosityDSolidificationDiscontinuitiesESandExpansionDiscontinuitiesFMetalInsertsGThermallyCutSurfacesHMechanicallyPreparedSurfacesJWeldedSurfaces1.3DescriptionsoftermsrelatedtocastingdiscontinuitiesareinSection2.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J31
【国际标准分类号】:77_140_80
【页数】:3P.;A4
【正文语种】:


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【英文标准名称】:SubsetofAmericanNationalStandardCodeforInformationInterchangeforNumericalMachineControlPerforatedTape
【原文标准名称】:数控机床穿孔带用信息交换用美国标准代码子集
【标准号】:ANSI/EIA358-C-1992
【标准状态】:现行
【国别】:美国
【发布日期】:1992
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:datastorage;automationsystems;informationinterchange;informationtechnology
【摘要】:DescribestheuseofANSIX3.4forNumericallyControlledMachines,attachedcommunicationequipment,andassociatedperforatedtapepreparationequipment.
【中国标准分类号】:J50
【国际标准分类号】:25_040_20;35_220_10
【页数】:
【正文语种】:英语


MIL-A-6300, MILITARY STANDARD: ANTENNA, OMNIDIRECTIONAL RECEIVING EQUIPMENT, GENERAL SPECIFICATION FOR DESIGN OF (8 JAN 1951)., This specification covers the performance requirements for design of antennas for use with omni-directional range receiving equipment, including the furnishing of engineering reports.