【英文标准名称】:StandardSpecificationforPre-TreatmentsofIronorSteelforReducingRiskofHydrogenEmbrittlement
【原文标准名称】:钢铁预处理减小氢脆变危险的标准规范
【标准号】:ASTMB849-2002(2007)
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:B08.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:裂开;降解;氢脆;应力;电镀;热处理;金属;覆层;铁;应力断裂;合金;钢;变换
【英文主题词】:delayedbrittlefailure;heattreatment;hydrogenembrittlement;hydrogeninducedcracking;hydrogenstresscracking;pre-treatmentsofironorsteel;stressrelief
【摘要】:1.1Thisspecificationcoversproceduresforreducingthesusceptibilityordegreeofsusceptibilitytohydrogenembrittlementordegradationthatmayariseinelectroplating,autocatalyticplating,porcelainenameling,chemicalconversioncoating,andphosphatingandtheassociatedpretreatmentprocesses.Thisspecificationisapplicabletothosesteelswhosepropertiesarenotaffectedadverselybybakingat190to230176;Corhigher(see6.1.1).1.2Theheattreatmentproceduresestablishedhereinhavebeenshowntobeeffectiveforreducingthesusceptibilityofsteelpartsoftensilestrength1000MPaorgreaterthathavebeenmachined,ground,cold-formed,orcold-straightenedsubsequenttoheattreatment.Thisheat-treatmentprocedureisusedpriortoanyoperationcapableofhydrogenchargingtheparts,suchasthecleaningprocedurespriortoelectroplating,autocatalyticplating,porcelainenameling,andotherchemicalcoatingoperations.Note1-1MPa=145.1psi.1.3ThisspecificationhasbeencoordinatedwithISO/DIS9587andistechnicallyequivalent.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.
【中国标准分类号】:A29
【国际标准分类号】:77_080_01
【页数】:3P.;A4
【正文语种】: