Unverified82% confidenceDecision RuleTime unknown
室外/临水（阳台、窗户）防护栏材质选304不锈钢或阳极氧化铝合金，普通碳钢喷漆2-3年会锈穿；铝合金轻但强度低于不锈钢，大跨度（>1.5m）需加密立柱防变形
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82%
Confidence
Long-term
Relevance
-
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Unverified潮湿环境（浴室/阳台外）优先304不锈钢或阳极氧化铝合金；普通碳钢喷漆管半年内易在切口/夹紧处生锈88% similarUnverified材质优先级：304不锈钢＞加厚铝合金＞普通碳钢喷塑。碳钢喷塑管在潮湿阳台1-2年内易从划痕处生锈；铝合金轻但管壁薄的易变形，选管径≥25mm、壁厚≥1.0mm的87% similarUnverified户外/临海/多雨潮湿地区优先选304不锈钢或氟碳喷涂铝合金；普通碳钢喷漆款2-3年后易锈穿，铁艺款尤其不适合朝海一侧窗户87% similarUnverified潮湿环境（卫浴/阳台）优先选304不锈钢或全塑料，避免碳钢喷漆款——碳钢喷漆层一旦磕碰破损会从内部锈穿；201不锈钢在长期潮湿下也会出现锈点，介意者认准30486% similarUnverified户外或阳台窗限位器应选304不锈钢钢丝绳与锁体，普通碳钢或锌合金在潮湿/沿海环境1-2年内易锈蚀断裂85% similar
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