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镀锌 规格表
Zinc Plating KS Specifications — 5个尺寸
ISO 2081ISO 10683
ISOZinc Plating
5 sizes| Grade | Thickness (μm) | Hardness (HV) | Corrosion (SST h) | Color | Note |
|---|---|---|---|---|---|
| Fe/Zn 5 | 5 | - | 12 | ·零件 | |
| Fe/Zn 8 | 8 | - | 24 | 通用 机械零件 | |
| Fe/Zn 12 | 12 | - | 72 | ||
| Fe/Zn 25 | 25 | - | 240 | ||
| (HDG) | 50~80 | - | 600 | 無, 高强度 螺栓 |
This specification follows ISO (International Organization for Standardization) standards. ISO ensures cross-border compatibility, making it ideal for multinational projects, export equipment design, and global parts procurement.
镀锌是钢制零件最通用的防腐蚀处理方法。5-25μm厚度通过牺牲阳极效应保护基材，配合三价铬酸盐后处理可获得24-240小时盐雾(SST)耐腐蚀性。达克罗(Dacromet)和Geomet等非电沉积锌系列是高强度螺栓防氢脆的标准方案。