Unverified80% confidenceDecision RuleTime unknown
钢管直径≥19mm（管壁≥0.6mm）承重更稳，细于16mm的廉价钢管久放易变形晃动，实木/竹制则看板厚≥15mm
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80%
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Long-term
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Unverified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89% similarUnverified钢管框架直径应≥16mm且带加厚焊点，10mm以下细管长期承重易弯曲，判断耐用性可看管壁厚度和横杆密度87% similarUnverified管材直径和壁厚是承重的核心，直径≥22mm、壁厚≥0.6mm的不锈钢管抗弯能力明显更强；细管产品放重物会中间下沉变形86% 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86% similarUnverified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≥0.8mm86% similar
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