Unverified85% confidenceDecision RuleTime unknown
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
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85%
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Long-term
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Unverified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88% similarUnverified钢制支撑杆（管壁≥1.2mm）承压普遍达200kg以上，适合大衣柜、实木高柜；铝合金杆多在80-150kg，适合轻质板材柜或临时固定，长期承重场景选钢制86% similarUnverified承重需求≤2kg选普通不锈钢S钩，2-5kg选加粗304不锈钢（线径≥4mm），5kg以上需选带焊接闭口或防脱扣设计的钩体85% similarUnverified钢制导轨（如壁挂式E型/H型槽）单托架承重普遍达50-80kg，铝型材导轨多在20-40kg；存放书籍、酒具、工具等重物应选钢制，仅放装饰品/轻物可选铝型材84% 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83% similar
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