基本信息
文件名称：《GB/T 45970-2025钢丝及其制品　锌或锌铝合金镀层》.pdf
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更新时间：2025-08-28
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文档摘要

ICS77.140.65

CCSH49

中华人民共和国国家标准

GB/T45970—2025

钢丝及其制品锌或锌铝合金镀层

Steelwireandwireproducts—Zincorzinc?aluminumalloycoating

（ISO7989?2：2021，Steelwireandwireproducts—Non?ferrousmetallic

coatingsonsteelwire—Part2：Zincorzinc?alloycoating，MOD）

2025?08?01发布2026?02?01实施

国家市场监督管理总局

发布

国家标准化管理委员会

GB/T45970—2025

目次

前言··························································································································Ⅲ

1范围·······················································································································1

2规范性引用文件········································································································1

3术语和定义··············································································································1

4技术要求·················································································································1

4.1材料·················································································································1

4.2镀层要求···········································································································2

5试验方法·················································································································5

5.1镀层铝含量的测定·······························································································5

5.2镀层重量测定·····································································································5

5.3镀层耐腐蚀性试验·······································