Unverified90% confidenceDecision RuleTime unknown
刀身钢材选择：日常轻户外选440C或8Cr14MoV（易磨、韧性好），重度使用选S30V或M390粉末钢（保持锋利度长但脆、磨刀难）；盐雾/海边环境优先H1钢或钛合金（几乎不锈）
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Unverified户外刀具刃材优先选4Cr13MoV或8Cr14MoV不锈钢，硬度在55-58HRC区间，兼顾耐锈和保刃；纯高碳钢(如440C以上)虽锋利但户外潮湿环境极易生锈需频繁上油维护86% similarUnverified刀身材质优先选440C或4Cr13不锈钢，硬度HRC≥56才能保持锋利度，普通不锈钢（如2Cr13）用几次就卷刃夹毛81% similarUnverifiedVG10芯钢的三合钢/大马士革刀锋利度与保持性优于普通3Cr13/5Cr15不锈钢，适合切生鱼片等精细操作；家庭日常切菜用5Cr15MoV德系钢反而更耐用抗腐蚀79% similarUnverified刀刃越硬保持性越好但越脆越难磨，14C28N/8Cr13MoV这类中端钢易磨适合新手，S30V/M390保持锋利久但需要金刚石磨石且崩刃难修79% similarUnverified材质越纯（如足金999、纯银925）质地越软越易刮花变形；出行耐用需求高时选18K金或钛钢，硬度与外观兼顾79% similar
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