Unverified85% confidenceDecision RuleTime unknown
刀片材质选日本430或304不锈钢，430磁性强易加工锋利度高但耐腐蚀稍弱，304不锈钢防锈性最佳适合潮湿环境频繁使用
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85%
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Long-term
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Unverified304不锈钢与201不锈钢外观相近，但201含锰高、耐腐蚀性差，长期潮湿易生锈斑，购买时应确认标注304及以上，磁铁能强吸附的多为低端不锈钢83% similarUnverifiedSUS304不锈钢材质耐盐雾腐蚀能力显著优于201不锈钢，卫浴潮湿环境应认准304；用磁铁测试无强磁性吸附的多为300系奥氏体不锈钢，防锈更可靠83% similarUnverified弹簧材质优先选65Mn弹簧钢或304不锈钢：65Mn弹力衰减慢但需喷塑防锈，304不锈钢抗锈但弹力略弱且易疲劳，沿海潮湿地区选不锈钢，内陆选喷塑65Mn更耐久82% similarUnverified刀刃材质优选304或316食品级不锈钢，避免普通430不锈钢（易生锈析出重金属）；标注SUS304为可信标识82% similarUnverified304不锈钢的耐腐蚀性优于201不锈钢，沿海高盐雾或潮湿地区应选304材质，201在室外易出现锈斑，购买时需确认牌号而非仅看'不锈钢'标注81% similar
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