锻钢件磁粉检测工艺规程

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1、江阴南工锻造有限公司JIANGYINNANGONGFORGINGCO.,LTD锻钢件磁粉检测工艺规程Magneticparticletestingspecificationforsteelforgings编写：徐军PREPAREDBY:XuJun审核：汤新发CHECKEDBY:Tangxinfa批准：徐岳强APPROVEDBY:Xuyueqiang二零一零四月十二江阴南工锻造有限公司JIANGYINNANGONGFORGINGCO.,LTD锻钢件磁粉检测工艺规程Magneticparticletestingspecificationforsteelforgings本标准规定了锻钢件磁粉探

2、伤方法及缺陷显示迹痕的评级方法。本标准适用于锻钢件表面和近表面缺陷的磁粉检测。Thisstandardprovidedthemethodsofmagneticparticletestinganddefectslevel.Thestandardissuitableforsurfaceandnearsurfacedefectsonsteelforgings目的Obiect完成锻钢件（铁磁性材料）表面和近表面缺陷的磁粉检测，出具相应的磁粉检测报告。Completemagneticparticletestingofsurfaceandnearsurfacedefectsonsteelforgin

3、gs(ferromagneticmaterial),andissuedbythecorrespondingmagnetictestingreport.1.适用范围Scope本规程适用于铁磁性锻钢件磁粉检测，不能用于奥氏体锻钢件磁粉检测。适用于锻钢件机加工表面。Thisspecificationappliestomagneticparticletestingonferromagneticsteelforgings,butcouldnotapplytoaustenitesteelforgings.Applytothe江阴南工锻造有限公司JIANGYINNANGONGFORGINGCO.,LT

4、Das-caststeelforgingsandmachinedsurface.1.参考标准RefetencedatandardASTMA275锻钢件磁粉检测方法ASTMA275MagneticparticletestingmethodsapplicationGB/T9445无损检测人员资格鉴定与认证GB/T9445Nondestructivetestingindividualqualificationandcertification2.检测人员Laboratories4.1磁粉检测人员应依据GB/T9445或相当的规定取得相应资格证书，并从事与其资格等级相适应的检测工作。L

5、aboratoriesshouldprovideaccesstothecorrespondingqualificationcertificatesbasedonGB/T9445orequivalent,andengageintheirlevelofqualiticationwhichwassuitabletotheworkoftesting.4.2磁粉检测人员应每年检查一次视力，矫正视力应不小于1.0.，不得有色盲。Laboratoriesvisionshouldbecheckedeveryyear.Visioncorrectionshouldnotbelessthan1.0,nocol

6、or-blind.3.设备、器材和材料Equipment、apparatusandmaterial江阴南工锻造有限公司JIANGYINNANGONGFORGINGCO.,LTD5.1磁化设备与校验Magneticequipmentandcheckout5.1.1磁化设备Magneticequipment便携磁轭式磁粉探伤仪Portableyoke5.1.2设备校验Equipmentcheckout每年至少进行一次提升力校验，极间距为150~200mm时，提升力至少应有45N。Enhancetheabilityshouldbecheckednolessthanonceeveryyear.w

7、hendieopeningis150~200mm,Enhancetheabilityshouldnotbelessthan45N.5.2磁粉与磁悬液MagneticparticleandmagneticsuspensionHR-1型红色或黑色磁膏HR-1redorblackmagneticcream5.2.2磁悬液Magneticsuspension悬浮介质为水，每升10-20g/L，磁悬浮浓度的测定采用磁悬浮浓度测定管进行，一般浓