Unverified75% confidenceTradeoffTime unknown
不锈钢强度不锈钢与碳钢存在权衡：普通304不锈钢螺栓硬度低于高强度合金钢，追求极致防暴力破坏可选合金钢+表面防锈处理，纯防盗防拆则304已足够
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75%
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Long-term
Relevance
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Unverified304不锈钢硬度低于碳钢，高暴力破拆场景下防盗强度有限，对专业工具的抵抗力不如高强度合金钢螺栓90% similarUnverified不锈钢与碳钢的权衡：304不锈钢防锈好但强度低于8.8级碳钢，室外用不锈钢防锈，室内高强度承重用高强度碳钢镀锌，两者难兼顾时按环境优先级取舍89% similarUnverified锁体面板材质选304不锈钢优于锌合金，锌合金面板成本低但长期使用易氧化起皮、受暴力冲击易碎裂，不锈钢抗腐蚀和抗冲击性更强86% similarUnverified锌合金压铸门扣长期承重能力弱于304不锈钢，遇到暴力撞击易脆断，入户门首选实心304不锈钢材质且链条直径≥5mm85% similarUnverified碳钢强度高但易锈，不锈钢防锈但同规格抗拉强度略低于高强度碳钢；室内干燥承重场景碳钢镀锌更经济，兼顾防锈与强度选304或分体（碳钢芯+不锈钢外观件）85% similar
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