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【英文标准名称】:StandardSpecificationforAlloy-SteelandStainlessSteelBoltingforLow-TemperatureService
【原文标准名称】:低温作业用合金钢和不锈钢螺栓标准规范
【标准号】:ASTMA320/A320M-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:A01.22
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:additionalelements;austeniticstainlesssteel;boltssteel;chromium-molybdenumsteel;fastenerssteel;markingsonfittings;nickel-chromium-molybdenumalloysteel;pressurevesselservice;stainlesssteelbolting;start
【摘要】:1.1Thisspecificationcoversalloysteelboltingforpressurevessels,valves,flanges,andfittingsforlow-temperatureservice.SeeSpecificationforthedefinitionofbolting.Thebarsshallbehot-wroughtandmaybefurtherprocessedbycenterlessgrindingorbycolddrawing.Austeniticstainlesssteelmaybesolutionannealedorannealedandstrain-hardened.Whenstrainhardenedausteniticstainlesssteelisordered,thepurchasershouldtakespecialcaretoensurethatAppendixX1isthoroughlyunderstood.1.2Severalgradesarecovered,includingbothferriticandausteniticsteelsdesignatedL7,B8,etc.Selectionwilldependondesign,serviceconditions,mechanicalproperties,andlow-temperaturecharacteristics.ThemechanicalrequirementsofTable1indicatethediametersforwhichtheminimummechanicalpropertiesapplytothevariousgradesandclasses,andTable2stipulatestherequirementsforCharpyimpactenergyabsorption.Themanufacturershoulddeterminethatthematerialcanconformtotheserequirementsbeforepartsaremanufactured.Forexample,whenGradeL43isspecifiedtomeettheTable2impactenergyvaluesatx2212;150x00B0;F[x2212;101x00B0;C],additionalrestrictions(suchasprocuringasteelwithlowerPandScontentsthanmightnormallybesupplied)inthechemicalcompositionforAISI4340arelikelytoberequired.Note18212;Thecommitteeformulatingthisspecificationhasincludedseveralgradesofmaterialthathavebeenratherextensivelyusedforthepresentpurpose.Othercompositionswillbeconsideredforinclusionbythecommitteefromtimetotimeastheneedbecomesapparent.Usersshouldnotethathardenabilityofsomeofthegradesmentionedmayrestrictthemaximumsizeatwhichtherequiredmechanicalpropertiesareobtainable.1.3Thefollowingreferencedgeneralrequirementsareindispensableforapplicationofthisspecification:Specification.1.4NutsforusewithboltingarecoveredinSection10andthenutmaterialshallbeimpacttested.1.5SupplementaryRequirementsareprovidedforuseattheoptionofthepurchaser.Thesupplementaryrequirementsshallapplyonlywhenspecifiedinthepurchaseorderorcontract.1.6Thisspecificationisexpressedinbothinch-poundunitsandSIunits;however,unlessthepurchaseorderorcontractspecifiestheapplicableMspecificationdesignation(SI)units,theinch-poundunitsshallapply.1.7ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.
【中国标准分类号】:J13
【国际标准分类号】:77_080_20
【页数】:8P.;A4
【正文语种】:英语


【英文标准名称】:Agriculturalandforestrymachinery-Portablehand-heldcombustionenginedrivenbrushcuttersandgrasstrimmers-Safety(ISO11806:1997);EnglishversionofDINENISO11806:2009-01
【原文标准名称】:农林机械.便携手提内燃机驱动丛林修剪机和割草机.安全性
【标准号】:DINENISO11806-2009
【标准状态】:作废
【国别】:德国
【发布日期】:2009-01
【实施或试行日期】:2009-01-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:农业机械;农业;定义;设计;英语;林业设备;高速切削装置;危害;保健;内燃机;割草机;剪草机;机械;职业安全;便携的;轻便机床;电动镰刀;原动机;产品规范;防事故;安全工程;安全规则;安全要求;试验;修剪机;验证
【英文主题词】:Agriculturalmachines;Agriculture;Definition;Definitions;Design;Englishlanguage;Forestryequipment;Freecuttingdevices;Hazards;Healthprotection;Internalcombustionengines;Lawntrimmers;Lawn-mowers;Machines;Mowers;Occupationalsafety;Portable;Portablemachinetools;Powerscythes;Primemovers;Productspecification;Protectionagainstaccidents;Safetyengineering;Safetyregulations;Safetyrequirements;Testing;Trimmers;Verification
【摘要】:ThisStandardspecifiessafetyrequirementsandtheirverificationfordesignandconstructionofportablehand-held,combustionenginedrivenbrushcuttersandgrasstrimmers.Thisstandardisnotapplicabletobackpackpoweredunits,tolawnedgetrimmersortobrushcuttersequippedwithmetalicbladesconsistingofmorethanonepart.Itdescribesmethodsfortheeliminationorreductionofrisksarisingfromtheiruse.Inadditionitspecifiesthetypeofinformationonsafeworkingpracticestobeprovidedbythemanufacturer.Itdoesnothowevergiveanytechnicalrequirementtoreducenoiseandvibrationhazards.Indeedthedifferentmeansavailabletoreducetheserisksareamatterforthetechnicalinformationtowhichthemanufacturermayresort,throughspecialisedbooksorspecificbodies.ThelistofsignificanthazardsdealtwithisgiveninAnnexA.AnnexAalsoindicatesthehazardswhichhavenotbeendealtwith.Environmentalaspectshavenotbeenconsideredinthisstandard.ThisStandardappliesprimarilytomachineswhicharemanufacturedafterthedateofissueofthestandard.
【中国标准分类号】:B95
【国际标准分类号】:65_060_50
【页数】:35P.;A4
【正文语种】:英语