【英文标准名称】:StandardTestMethodforDrop-WeightTearTestsofFerriticSteels
【原文标准名称】:铁素体钢的落球锤式撕裂试验的标准试验方法
【标准号】:ASTME436-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:E08.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:金属;铁素体钢;试验;机械试验;钢
【英文主题词】:brittlefracture;drop-weightteartest;ferriticsteels;fractureappearance;impactloading;percentsheararea
【摘要】:Thistestmethodcanbeusedtodeterminetheappearanceofpropagatingfracturesinplaincarbonorlow-alloypipesteels(yieldstrengthslessthan825MPaor120000psi)overthetemperaturerangewherethefracturemodechangesfrombrittle(cleavageorflat)toductile(shearoroblique).Thistestmethodcanservethefollowingpurposes:3.2.1Forresearchanddevelopment,tostudytheeffectofmetallurgicalvariablessuchascompositionorheattreatment,oroffabricatingoperationssuchasweldingorformingonthemodeoffracturepropagation.3.2.2Forevaluationofmaterialsforservicetoindicatethesuitabilityofamaterialforspecificapplicationsbyindicatingfracturepropagationbehaviorattheservicetemperature(s).3.2.3Forinformationorspecificationpurposes,toprovideamanufacturingqualitycontrolonlywhensuitablecorrelationshavebeenestablishedwithservicebehavior.1.1Thistestmethodcoversdrop-weightteartests(DWTT)onferriticsteelswiththicknessesbetween3.18and19.1mm(0.125and0.750in.).1.2ThevaluesstatedinSI(metric)unitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:6P.;A4
【正文语种】:


【英文标准名称】:Hexagonnutsforstructuralbolting,style1,hot-dipgalvanized(oversizetapped);ProductgradesAandB;Propertyclasses5,6and8
【原文标准名称】:栓接结构用1型六角螺母-热浸镀锌(加大攻丝尺寸)产品等级A和B级性能等级5、6和8级
【标准号】:ISO7413-1984
【标准状态】:作废
【国别】:国际
【发布日期】:1984-11
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC2
【标准类型】:()
【标准水平】:()
【中文主题词】:钢结构;紧固件;六角螺母;六角头紧固件;螺母;热镀锌的;名称与符号;规范;作标记;尺寸
【英文主题词】:Designations;Dimensions;Fasteners;Hexagonnuts;Hexagonal-headfasteners;Hot-galvanized;Marking;Nuts;Specifications;Structuralsteelwork
【摘要】:SpecifiesserieswithmetricdimensionsandthreadsizesformM12uptoandincludingM36;tabulatesgeneraldimensions,specificationsandreferencestandards,proofloadvaluesandscrewthreadlimitsfortoleranceclass6AX;givesanexampleforthedesignation.
【中国标准分类号】:J13
【国际标准分类号】:21_060_20
【页数】:4P;A4
【正文语种】:英语