SAE AMS6453 Steel, Welding Wire, 0.30Cr - 1.8Ni - 0.40Mo - (0.23 - 0.28C), Vacuum Melted, Environment Controlled Packagi
时间:2024-05-03 06:16:09 来源: 标准资料网 作者：标准资料网 阅读：9574
Product Code:SAE AMS6453
Title:Steel, Welding Wire, 0.30Cr - 1.8Ni - 0.40Mo - (0.23 - 0.28C), Vacuum Melted, Environment Controlled Packaging
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope:This specification covers a low-alloy steel in the form of welding wire.
【英文标准名称】:Acoustics-Noiseemittedbymachineryandequipment-Guidelinesfortheuseofbasicstandardsforthedeterminationofemissionsoundpressurelevelsataworkstationandatotherspecifiedpositions
【原文标准名称】:声学.机器和设备发出的噪声.在操作工位和其它指定地点测定声压级的基础标准用导则
【标准号】:BSENISO11200-1996
【标准状态】:作废
【国别】:英国
【发布日期】:1996-10-15
【实施或试行日期】:1996-10-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:噪声;国际标准;操作工位;声学;声学测量;声强;等级(质量);试验条件;自然工作条件;选择;职业安全
【英文主题词】:Acousticmeasurement;Acoustictesting;Acoustics;Airbornenoise;Airbornesound;Applications;Basicstandard;Booths;Controls;Definitions;Determination;Dottedlines;Emission;Equipment;Ergonomics;Externalnoise;Generalconditions;Guidingprinciple;Instruments;Machinenoise;Machines;Microphones;Noise;Noiseemissions;Operatingstations;Planes;Position;Positioning;Radiation;Reflection;Reflective;Rooms;Selection;Sound;Soundintensity;Soundlevels;Soundpressure;Soundpressurelevel;Soundpropagation;Workingplaces
【摘要】:ThisInternationalStandardprovidesbriefsummariesofthebasicInternationalStandardsfordeterminingemissionsoundpressurelevelsfromalltypesofmachineryandequipment,atworkstationsandatotherspecifiedpositions,andgivesguidanceontheprocessofselectionofwhichisappropriatetoanyparticulartype.Theguidancegivenappliesonlytoairbornesound,andisforuseinthepreparationofnoisetestcodes,andalsoforuseinnoisetestingwherenonoisetestcodeexists.ItisimportantthatspecificnoisetestcodesforvarioustypesofmachineryandequipmentbeestablishedandusedinaccordancewiththerequirementsofthesebasicInternationalStandards.Suchstandardizednoisetestcodeswillgivedetailedrequirementsonmountingandoperatingconditionsfortheparticularfamilytowhichthemachineundertestbelongs,aswellasthelocationoftheworkstation(s)andotherspecifiedpositionsasprescribedintheseInternationalStandards.ThedatasoobtainedmayalsobeusedforthedeclarationandverificationofemissionsoundpressurelevelsasspecifiedinISO4871.NOTE1Atanygivenpositioninrelationtoaparticularmachine,andforgivenmountingandoperatingconditions,theemissionsoundpressurelevelsdeterminedbyanyofthemethodsgiveninISO11201toISO11204willingeneralbelowerthanthedirectlymeasuredsoundpressurelevelsforthesamemachineinthetypicalworkroomwhereitisused.Thisisduetoreverberationandthecontributionsofothermachines.AmethodofcalculatingthesoundpressurelevelsinthevicinityofamachineoperatingaloneinaworkroomisgiveninISO11690-3.Commonlyobserveddifferencesare1dBto5dB,butinextremecasesthedifferencemaybeevengreater.
【中国标准分类号】:A59
【国际标准分类号】:17_140_20
【页数】:22P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforMeasurementofFractureToughness
【原文标准名称】:裂纹韧性测量的标准试验方法
【标准号】:ASTME1820-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999
【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】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:H20
【国际标准分类号】:77_040_10
【页数】:34P;A4
【正文语种】:英语