Unverified90% confidenceTradeoffTime unknown
日式刀（如VG-10钢）硬度多在HRC60-62，锋利度高且保持久，但脆性大不能砍骨；德式刀（X50CrMoV15）硬度HRC56-58，韧性好可承受剁切，适合处理带骨食材
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Unverified德系钢（如X50CrMoV15）硬度HRC56-58，韧性好不易崩口，锋利度需更频繁打磨；日系VG10/大马士革硬度高更锋利但脆，怕横向受力和剁骨82% similarUnverifiedH1钢的硬度较低（约HRC 57-58），保持性明显不如常见的VG-10或S30V等刀钢，需要频繁打磨，不适合作为日常高强度切割的主力EDC刀74% similarUnverified锋利度与耐用性权衡：全钢一体（VG10/粉末钢）锋利度极高但脆、忌摔忌硬毛；440C硬度稍低但韧性好、抗崩口，家庭自用推荐440C更容错72% similarUnverified刀刃材质选碳钢（如日本关钢、420不锈钢以上）比普通不锈钢保持锋利时间更长，碳钢硬度可达HRC55-58，切口平整不撕裂指甲71% similarUnverified刀身钢材选择：追求锋利保持度选S30V/S35VN粉末钢（洛氏硬度58-60HRC）；追求耐锈免维护选14C28N或AUS-8（含铬≥13%）；预算有限的日用工具刀8Cr13MoV已足够，但需接受更频繁磨刀69% similar
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