Unverified85% confidenceDecision RuleTime unknown
钢材硬度决定刀具耐用度：420/440不锈钢主体+154CM或S30V钢刀刃是高端配置，HRC58以上刀刃保持锋利更久，日常预算款用420HC即可满足
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Unverified刀身钢材硬度看HRC值：56-58HRC为家用甜点区（易磨易保养），58-60HRC锋利度与耐用度平衡最佳，60HRC以上锋利持久但脆、崩刃后难修复。分色刀具组多用德系X50CrMoV15不锈钢（约56-58HRC），日系VG10可达60HRC73% similarUnverified钢制固定件承重普遍达30-50kg且抗弯不变形，铝合金件轻但同规格承重仅为钢制的60%左右，重型实木书柜优先选3mm以上冷轧钢固定件72% similarUnverified承重需求高的场景（挂锅具/砧板）选304不锈钢，管壁厚度≥1.2mm；仅挂铲勺等轻物可选201不锈钢或铝合金，管壁0.8-1.0mm即可70% similarUnverified金属（钢/铝合金）架承重普遍15-30kg适合放主机+多手柄，木质MDF架承重多在8-15kg，亚克力架承重最弱通常＜5kg仅适合摆件展示69% similarUnverified承重优先选方管钢材（40x40mm或以上壁厚≥1.2mm）而非圆管，方管抗扭曲性能更强；单层板承重需求＞30kg（放书/杂物）选钢制层板，＜15kg（放绿植/摆件）可选钢木或钢玻组合降低成本69% similar
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