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鍍鋅鋼卷的鋅層厚度如何選擇？不同規格有什麽影響？

来源：宝钢彩塗卷 | 發布日期：2025-08-11

鍍鋅鋼卷是在鋼板表面均勻覆蓋一層鋅，通過物理隔離與電化學保護延緩鋼材腐蝕。

鋅層厚度是決定其耐腐蝕性能和使用壽命的關鍵因素之一。

一、鍍鋅鋼卷的鋅層厚度標准

鍍鋅鋼卷常用的锌层厚度以 g/㎡表示，指的是钢板两面锌层总重量。

常見規格包括：

60g/㎡：常用于室內、低腐蝕環境

80~100g/㎡：適用于普通戶外環境

120~180g/㎡：適用于濕熱或中等腐蝕環境

200g/㎡及以上：適合沿海、高鹽霧、化工等高腐蝕環境

二、不同鋅層厚度的影響

耐腐蝕性

鋅層越厚，提供的保護時間越長，適應環境越惡劣。

加工性能

薄锌层 → 更容易冲压、折弯，适合深加工

厚锌层 → 耐蚀性高，但在复杂成型时需注意避免涂层剥落

成本因素

厚鋅層用鋅量多，成本相應增加，需要結合項目壽命要求合理選擇。

三、選型建議

環境類型	推薦鋅層厚度	應用舉例
室內幹燥環境	60g/㎡	家電背板、室內隔斷
一般戶外環境	80~100g/㎡	普通屋面、圍擋、倉儲外牆
潮濕多雨地區	120~180g/㎡	農業設施、輕鋼結構建築
高鹽霧/化工區	200g/㎡及以上	沿海廠房、化工儲運設施

四、我們的優勢

鋅層規格齊全：從60g/㎡到275g/㎡均可生産

鍍層均勻：塗鋅厚薄一致，提升整體防護性能

加工適配性好：可根據客戶需求調整鋼卷強度與鍍層厚度

一站式服务：选型建议 + 快速交付 + 售后支持

合理選擇鋅層厚度，不僅能延長鍍鋅鋼卷的使用壽命，還能優化采購成本。我們可根據您的項目環境與使用周期，提供定制化的鋅層方案。

上一篇：彩塗鋼卷的耐候性和耐腐蝕性怎么样？适合户外使用吗？

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鍍鋅鋼卷鍍鋅鋼卷价格鍍鋅鋼卷厂家

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