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src=\"https:\u002F\u002Fimg.shenzhenjianzhong.com\u002Fpublished\u002Fmedia\u002Fagent-articles\u002F515\u002F20261011\u002F179167906353430548\u002Farticle-515-7aec395cd926eb7e.webp\" alt=\"奥氏体不锈钢冷加工后局部可能吸磁的原理示意\" loading=\"lazy\" \u002F>奥氏体不锈钢冷加工前后磁性变化的可能机制示意，非实测图，不表示所有部件都会有相同反应。\u003Ch2>现场核对，要先确定测的是哪个部件\u003C\u002Fh2>\n\u003Cp>“不锈钢门”不是每个零件材质完全相同的保证。验收时应回到采购文件，分别确认门扇面板、门框、拉手及其他约定部件的材质要求。拉手上的观察结果，不能替代门板的检查；单个样品的结果，也不能无条件代表整批交付。\u003C\u002Fp>\n\u003Cp>可先记录发生吸磁的部位、部件名称及对应材料文件。如果合同没有写明具体牌号，先澄清供货约定；如果文件与实物标识不能对应，先请供货方补足可追溯信息。不要为验证磁性而在成品门上自行火烧、酸滴或打磨，这些做法可能损伤表面，也不能替代规范的材质确认。\u003C\u002Fp>\n\u003Ch2>需要检测时，检测方法也要选对\u003C\u002Fh2>\n\u003Cp>ASSDA关于牌号确认的技术资料区分了初步筛选与成分分析。外观不能可靠识别不锈钢牌号；一些快速试剂只能提示某种元素是否存在，并不等于完整的牌号证明。\u003C\u002Fp>\n\u003Cp>便携式X射线荧光分析（XRF）可用于相应合金元素的识别，但对碳、氮等轻元素存在能力限制，不能把普通手持XRF的结果直接当作区分所有低碳牌号的依据。涉及具体争议时，应向有相应能力的检测机构说明待确认牌号、部件和用途，由其确定方法、取样及表面处理要求。\u003C\u002Fp>\n\u003Cp>收到检测结果后，还要检查样品名称、取样位置和批次是否与争议部件一致。成分检测解决的是材料身份问题；门体强度、耐火、运行安全等整门性能，仍需另按相应产品要求核对，不能以材质检测结果替代整门性能验证。\u003C\u002Fp>\n\u003Cimg src=\"https:\u002F\u002Fimg.shenzhenjianzhong.com\u002Fpublished\u002Fmedia\u002Fagent-articles\u002F515\u002F20261011\u002F179167907719185748\u002Farticle-515-5c48169578d09904.webp\" alt=\"门用不锈钢部件资料与成分检测对象对应流程\" loading=\"lazy\" \u002F>材料资料、取样位置与成分检测对应示意；具体检测方法由检测机构根据待确认牌号确定。\u003Cp>\u003Cstrong>结论：\u003C\u002Fstrong>磁铁吸住了，先记录现象，不急着判假；磁铁吸不住，也不能省去资料与材质核验。把部件、牌号和检测对象对应清楚，比单看吸力更有意义。\u003C\u002Fp>\n\u003Ch2>参考资料\u003C\u002Fh2>\n\u003Cp>以下为技术解释资料，原页面未标明发布日期；访问核对日期：2026年10月11日。\u003C\u002Fp>\n\u003Cul>\u003Cli>\u003Ca href=\"https:\u002F\u002Fassda.asn.au\u002Fpublications\u002Ftechnical-faqs\u002Fmagnetic-effects-of-stainless-steels\" target=\"_blank\" rel=\"noopener noreferrer\">ASSDA：《FAQ 3: Magnetic Effects of Stainless Steels》\u003C\u002Fa>\u003C\u002Fli>\u003Cli>\u003Ca href=\"https:\u002F\u002Fbssa.org.uk\u002Fbssa_articles\u002Feffect-of-cold-work-and-heat-treatment-on-the-magnetic-permeability-of-austenitic-stainless-steels\u002F\" target=\"_blank\" rel=\"noopener noreferrer\">BSSA：《Effect of cold work and heat treatment on the magnetic permeability of austenitic stainless steels》\u003C\u002Fa>\u003C\u002Fli>\u003Cli>\u003Ca href=\"https:\u002F\u002Fassda.asn.au\u002Fpublications\u002Ftechnical-faqs\u002Ftesting-for-grade-confirmation\" target=\"_blank\" rel=\"noopener noreferrer\">ASSDA：《FAQ 4: Testing for Grade Confirmation》\u003C\u002Fa>\u003C\u002Fli>\u003C\u002Ful>",[],"建中说门道","ASSDA、BSSA技术资料（2026-10-11核对）","不锈钢门拉手吸磁就是假304吗？材质核对与检测边界","不锈钢门拉手,304不锈钢,磁性,冷加工,材质检测","304门拉手局部吸磁可能与冷加工有关，但不能仅凭磁铁确认牌号。了解材料组织、部件资料对应与XRF等成分检测的适用边界。",{"id":36,"name":46,"slug":348},{"title":361,"slug":362},"中航集团虹桥物业拟更换12樘防火门，询价明确配件与安装要求","hongqiao-fire-door-replacement-2026",{"title":364,"slug":365},"自动平移玻璃门停电后能不能直接手推？","automatic-sliding-glass-door-power-failure-manual-opening",[367],{"id":207,"title":37,"subtitle":368,"image":369,"mobileImage":16,"link":16},"行业动态 · 技术问答 · 产品FAQ","https:\u002F\u002Fwww.shenzhenjianzhong.com\u002Fsecurity-assets\u002F5085ba7fa31941f0ae59e7a8db089907e86b3d1e921787ea3e7e8ff1a14d84e7.jpg"]