Unverified80% confidenceTradeoffTime unknown
太空铝材质防锈性优于201不锈钢但硬度较低易变形磕伤，304不锈钢兼顾防锈与强度但重量大对粘贴式安装不友好——重物区选304打孔，轻物区可选铝合金免打孔
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80%
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Long-term
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Unverified太空铝材质防锈优于不锈钢喷涂款且轻，但硬度低易变形，重物场景仍应选304不锈钢加粗管径92% similarUnverified太空铝材质比304不锈钢更轻且防锈，但硬度低易划伤变形，承重能力弱于不锈钢，重物区域仍以不锈钢为佳91% similarUnverified太空铝（铝合金）比201不锈钢轻且不生锈，但硬度低易变形、承重弱；304不锈钢承重强抗锈但重且贵。卫浴放毛巾洗漱品选太空铝够用，放大件重物选30490% similarUnverified太空铝材质密度低、天生不生锈且抗氧化，重量轻于不锈钢约1/3，适合免打孔顶紧款减轻整体负载；但太空铝硬度低于304不锈钢，重物挤压易变形90% similarUnverified太空铝比304不锈钢便宜且防锈，但硬度低、易被硬物磕出划痕和凹陷，追求长期外观完好和高承重选304不锈钢，追求纯防锈和轻量选太空铝90% similar
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