一种耐腐蚀热浸镀锌带钢及其制备工艺

By using flux and passivation solutions with specific components, the problem of poor adhesion between the zinc coating and the substrate in hot-dip galvanized steel strip was solved, thereby improving the corrosion resistance of hot-dip galvanized steel strip and extending its service life.

CN117966064BActive Publication Date: 2026-07-17TANGSHAN SHENGXIN COLD ROLLED SHEET CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
TANGSHAN SHENGXIN COLD ROLLED SHEET CO LTD
Filing Date
2024-01-18
Publication Date
2026-07-17

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Abstract

本发明涉及钢铁材料防腐蚀技术领域,提出了一种耐腐蚀热浸镀锌带钢及其制备工艺,热浸镀锌带钢的制备工艺,包括以下步骤:带钢依次经碱洗、酸洗、水洗、助镀、烘干、热浸镀和冷却后,得到热浸镀锌带钢;助镀时,助镀液由以下重量百分比的组分组成:氯化锌6%~8%、氯化亚锡4%~6%、单盐酸肼2%~4%、月桂醇硫酸钠0.1%~1%、聚乙烯吡咯烷酮0.1%~0.3%,其余为水。通过上述技术方案,解决了现有技术中的热浸镀锌带钢耐腐蚀性能较差的问题。
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