Unverified82% confidenceDecision RuleTime unknown
刀片材质选430不锈钢仅达标基础防锈，追求锋利持久应选420J2或日标SUS420马氏体不锈钢，硬度可达HRC52以上，切硬质蔬菜不易卷刃
1
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82%
Confidence
Long-term
Relevance
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Unverified刀片材质选430不锈钢即可满足家用（含铬防锈），但若常刨柑橘、番茄等酸性食材建议选304不锈钢，430在酸性环境下长期易出现锈点85% similarUnverified刀片材质优先选304不锈钢，避免使用430不锈钢或普通碳钢刀片，430长期接触酸性食材（番茄、柠檬）易生锈，碳钢更易腐蚀83% 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% similarUnverified指甲刀刀口硬度应选HRC50以上的硬化不锈钢，普通420不锈钢用久易崩口，日本SK-4碳钢或德国440不锈钢可长期保持锋利80% similarUnverified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79% similar
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