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Unverified85% confidenceDecision RuleTime unknown

碳钢冷轧管壁厚≥0.8mm且带三角加固件时，单层承重可达15-20kg，适合放微波炉、书籍等重物；壁厚＜0.6mm的低价钢架单层承重多在5kg以下，仅适合放置轻物

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Unverified碳钢管径≥19mm或层板厚度≥1.2mm的置物架单层承重可达30kg以上，适合放置微波炉、锅具；层板厚度≤0.8mm的薄铁板架子单层实际安全承重仅5-10kg，只能放轻物93% similar Unverified碳钢管径≥19mm且壁厚≥0.6mm的钢制收纳架单层静载可达30kg以上，适合存放锅具、书籍等重物；管径＜16mm的多为装饰性用途，单层承重通常＜10kg92% similar Unverified碳钢管径≥25mm且壁厚≥0.6mm的落地收纳架单层承重可达50kg以上，适合放置微波炉、书籍等重物；管径19mm以下的仅适合毛巾、零食等轻物（单层≤15kg）92% similar Unverified承重看单层而非整架：碳钢方管（≥2.0mm壁厚）单层可承10-20kg，铝合金圆管单层通常仅5-10kg；放置书籍、微波炉等重物选碳钢，仅挂衣物、绿植可选铝合金89% similar Unverified碳钢管壁厚≥0.6mm且单层承重标称≥15kg的收纳架，才适合放置微波炉、锅具等重物；壁厚＜0.5mm的空心管长期承重会发生层板下弯变形89% similar

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