Unverified85% confidenceDecision RuleTime unknown
钉体材质优先304不锈钢或热镀锌钢，避免普通电镀铁件——户外雨淋2-3个月即锈蚀，螺纹处生锈会导致拧不动或断裂
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85%
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Long-term
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Unverified材质优先304不锈钢，露天风吹雨淋环境下不易生锈，碳钢镀锌件3-6个月即可能出现锈蚀导致螺纹卡死拆不下来89% similarUnverified潮湿环境优先选304不锈钢或锌合金电镀锁体，避免铁质或普通铝合金内芯，铁质弹簧3-6个月即可能生锈导致卡死87% similarUnverified内线材质优先选不锈钢（304/铁氟龙涂层），镀锌线便宜但3-6个月后易生锈导致刹车回位卡顿；南方潮湿地区或常骑雨天必须上不锈钢86% similarUnverified厨房/卫浴潮湿环境优先304不锈钢或太空铝，碳钢喷漆款3-6个月螺丝接缝处易生锈，标注'不锈钢'但未标钢号的多为201不锈钢仍会点蚀85% similarUnverified材质优先304不锈钢或加厚铝合金（壁厚≥1.2mm）；避免铁艺喷漆栏杆用于潮湿/临海/多雨地区，喷漆层破损后铁芯锈蚀会大幅降低承重85% similar
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