Unverified85% confidenceDecision RuleTime unknown
钢管直径是承重核心指标：≥22mm管径适合重载（每层20kg+），16-19mm为日常轻中载，＜16mm易变形晃动
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Unverified挂杆管径与承重强相关：Φ16mm不锈钢管单点挂钩承重约2-3kg，Φ19-22mm可达5kg以上；挂铸铁锅、多层置物篮应选管径≥19mm且壁厚≥0.8mm87% similarUnverified布艺收纳架的钢管直径是判断承重和寿命的关键：16mm适合轻载衣物、19mm适合常规杂物、22mm以上可重载；管壁厚度也需关注，同直径下0.5mm与0.8mm壁厚承重差异明显85% similarUnverified钢管骨架直径需≥25mm且壁厚≥0.6mm才能承重不弯，直径19mm的细钢管挂满衣服后横杆易下垂85% similarUnverified管径是稳定性关键：25mm以上不锈钢管管壁厚度≥1mm才能承受横臂力矩，铝合金架轻便但同管径承重比钢架低约30%84% similarUnverified钢管直径是承重关键，管径≥19mm（约6分管）比13mm细管抗弯性显著更强，选购时看管壁厚度≥0.6mm避免踩踏或压重变形84% similar
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