ASTM A931-2008 金属丝绳和绞线拉伸试验的标准试验方法

作者:标准资料网 时间:2024-05-22 22:03:20  浏览:9118   来源:标准资料网

【英文标准名称】:StandardTestMethodforTensionTestingofWireRopesandStrand
【原文标准名称】:金属丝绳和绞线拉伸试验的标准试验方法
【标准号】:ASTMA931-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:A01.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:socket;thermo-setresin;wirerope;Socket;Steelwirerope;Tensileproperties/testing--steel;Thermosettingresins;Wirerope
【摘要】:Wireropetestsaregenerallytobeperformedonnewrope.Theuseofwireropeinanyapplicationcanreduceindividualwirestrengthsduetoabrasionandnickingthatwillresultinthewireropestrengthbeingreduced.Damagetotheouterwireswillalsolowerthemaximumstrengthachievedduringtensiontesting.Themodulusofelasticityofwireropeisnotconsideredtobeastandardrequirementatthistime.Thedeterminationofthismaterialpropertyrequiresspecializedequipmentandtechniques.Ropetobetestedshouldbethoroughlyexaminedtoverifythatnoexternalwiredamageispresent.Ifpresent,itshouldbenoted.Whenpossible,anewundamagedsampleshouldbeobtainedfortesting.Endattachmentsandtheirinstallationcandirectlyaffectbreakingforceachievedduringtesting.Anyattachmentthatcanbeusedtodirectlyachievetherequiredropebreakingforcecanbeused.Standardtestingwithapouredsocket,usingzinc,whitemetalorthermosetresin,hasbeenconsideredthemostefficient.Proficiencyinattachmentofanyfittingcanhaveadirecteffectonthefinaltestresults.1.1Thistestmethodcoversthetensiontestingofwireropesandstrandatroomtemperature,specificallytodeterminethemeasuredbreakingforce,yieldstrength,elongation,andmodulusofelasticity.Methodsdescribedinthisstandardarenotintendedforotherpurposes.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninNote1andNote2.
【中国标准分类号】:H49
【国际标准分类号】:77_140_65
【页数】:4P.;A4
【正文语种】:英语