Unverified88% confidenceDecision RuleTime unknown
承重需求＞5kg时选用直径≥5mm的304不锈钢挂钩，普通镀铬铁钩长期承重易在弯曲处变形张开
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88%
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Long-term
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Unverified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88% similarUnverified304不锈钢线径5mm的标准S钩单钩承重通常可达10kg以上，塑料S钩单钩承重多在2-3kg以内84% similarUnverified线径规格影响承重：常见转角拉篮采用4-6mm不锈钢线，间距≤50mm；线径4mm适合轻物、5-6mm适合锅具，间距过大（>60mm）小物件会漏落83% similarUnverified钢管/加厚铝合金轨道抗弯优于纯铝或塑料，窗宽超过2.5m时应选直径≥25mm钢管或中间加装吊码支撑，否则中段下垂导致滑动卡顿83% similarUnverified钢丝绳限位锁的常见规格为钢丝绳直径2-4mm，长度多在20-30cm可调，包胶304不锈钢材质在户外抗锈蚀表现优于普通镀锌钢丝82% similar
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