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分类项目
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类别
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代号
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特征及用途
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锌层种类
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纯锌镀层
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Z
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防锈、防腐蚀
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锌铁合金镀层
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ZF
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防锈、防腐蚀
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镀 层重量表示方法
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等厚镀层
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A/B
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A=B(克/平方米)
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差厚镀层
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A不等于B(克/平方米)
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表面结构
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纯镀锌层（Z）
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小锌花 X
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锌层在自然条件下凝固，有肉眼可见的小锌花结构，该表面一般进行光整处理
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零锌花 M
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锌层在自然条件下凝固，有肉眼不可见的小锌花结构，该表面一般进行光整处理。
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锌铁合金镀层（ZF）
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锌铁合金 R
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通过对纯锌镀层热处理后得到的表面结构，该表面结构通常灰色无光。
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表面处理
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铬酸钝化
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C
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减少运输和存储期间产生白锈
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铬酸钝化+涂油
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CO
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进一步减少运输和存储期间产生白锈
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无铬钝化
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C5
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对钝化膜中有害人头健康的六价铬进行限制
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无铬钝化+涂油
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CO5
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对钝化膜中有害人头健康的六价铬进行限制
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无铬耐指纹
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N5
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自润滑
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SL
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减少运输和存储期间产生白锈，同时自润滑膜可以很好的改善钢板的成型性能。
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涂油
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O
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减少运输和存储期间产生白锈
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不处理
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U
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易生锈，客户选购时要慎重考虑。
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镀锌重量（Z）
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等厚
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40/40、50/50、70/70、100/100、125/125、140/140、175/175、225/225
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差厚
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50/100 、70/140 |
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锌贴合金（ZF）
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等厚
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30/30、45/45、50/50、60/60
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备注
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经供需双方协商，等厚镀层镀层代号可以用双面之和表示，如Z275，ZF90
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。
日本钢铁联盟标准：JFS A2001-1998-JSC270C，JFS A2001-1998-JSC270D，JFS A2001-1998-JSC270E，JFS A2001-1998-JSC270F，JSC340H，JFS A2001-1998-JSC590Y，JFS A2001-1998-JSC780Y，JFS A2001-1998-JSC590R，JFS A2001-1998-JSC340P，JFS A2001-1998-JSC390P，JFS A2001-1998-JSC440P，JFS A2001-1998-JSC390W，JFS A3011-1998-JAC270C，JFS A3011-1998-JAC270D，JFS A3011-1998-JAC270E，JFS A3011-1998-JAC270F，JFS A3011-1998-JAC340P，JFS A3011-1998-JAC340H，JFS A3041-1998-JNC270C ，JFS A3041-1998-JNC270D，JFS A3041-1998-JNC270E，JFS A3041-1998-JNC270F，JFS A3041-1998-JNC270G，JFS A3041-1998-JNC370P，JFS A3041-1998-JNC390P，JFS A3041-1998-JNC440P，JFS A3041-1998-JNC270H，JFS A3041-1998-JNC340H，JFS A3041-1998-JNC590R，JFS A3021-1998-JEC270C，JFS A3021-1998-JEC270D，JFS A3021-1998-JEC270E，JFS A3021-1998-JEC270F，JFS A3021-1998-JEC270G，JFS A3021-1998-JEC370P，JFS A3021-1998-JEC390P，JFS A3021-1998-JEC440P，JFS A3021-1998-JEC590R，JFS A1001-JSH270C，JFS A1001-JSH270D，JFS A1001-JSH270E，JFS A1001-JSH310W，JFS A1001-JSH370W，JFS A1001-JSH440W，JFS A1001-JSH590RTSG3100G-SPC270C，TSG3100G-SPC270D，TSG3100G-SPC270E，TSG3100G-SPC270F，TSG3100G-SPC440，TSG3100G-SPC440HR，TSG3100G-SPC590，TSG3100G-SPC590DU，TSG3100G-SPC980DU，TSG3100G-SPC1180DU，TSG3101G-SPH270C，TSG3101G-SPH270D，TSG3101G-SPH270E，TSG3101G-SPH270F，TSG3109G-SCGA270C，TSG3109G-SCGA270D，TSG3109G-SCGA270E，TSG3109G-SCGA340，TSG3109G- SCGA340HR，TSG3109G- SCGA340BH，TSG3109G- SCGA270F，TSG3109G- SCGA340BHX，TSG3109G- SCGA440，TSG3109G- SCGA590，TSG3109G- SCGA590DU，TSG3109G- SCGA780DU，TSG3109G- SCGA980DUB，TSG3109G- SCGA1180DUB，TSG3109G- SGACD，TSG3109G- SGACE，TSG3109G- SGACF，TSG3109G- SGAHC，TSG3109G- SGAHD，TSG3109G- SGAHE，TSG3109G- SGAH370，TSG3109G- SGAH440，TSG3109G- SGAH440SF，TSG3109G- SGAH490SF，TSG3109G- SGAH310，TSG3109G- SGAH400，TSG3109G- SHGA270C，TSG3109G- SHGA270D，TSG3109G- SHGA270E，TSG3109G- SHGA370，TSG3109G- SHGA440，TSG3109G- SHGA440SF，TSG3109G- SHGA490SF，TSG3109G- SHGA310，TSG3109G- SHGA400，TSG3109G- SHGA440HY，TSG3109G- SHGA370J，TSG3109G- SHGA440J，TSG3109G- SHGA440JH，MS82-1212 FB D-MJSC270C，MS82-1212 FB D-MJSC270D，MS82-1212 FB D-MJSC270E，MS82-1212 FB D-MJSC270F，MS82-1212 FB D-MJSC340H，MS82-1212 FB D-MJSC590Y，MS82-1212 FB D-MJSC780Y，MS82-1212 FB D-MJSC590R，MS82-1212 FB D-MJSC340P，MS82-1212 FB D-MJSC390P，MS82-1212 FB D-MJSC440P，MS82-1212 FB D-MJSC440W，MS82-1212 FB D-MJSC980Y，MS82-1212 FB D-MJSC1180Y，MS82-1218-MJSH270C，MS82-1218-MJSH270D，MS82-1218-MJSH270E，MS82-1218-MJSH590R，MS82-1218-MJSH440W，MS82-1228-MJAC270C，MS82-1228-MJAC270D，MS82-1228-MJAC270E，MS82-1228-MJAC270F，MS82-1228-MJAC340H，MS82-1228-MJAC590Y，MS82-1228-MJAC780Y，MS82-1228-MJAC590R，MS82-1228-MJAC340P，MS82-1228-MJAC390P，MS82-1228-MJAC440P，MS82-1228-MJAC440W，MS82-1228-MJAC980Y，MS82-1228-MJAC1180Y，MS82-1228-MJAH260G，MS82-1228-MJAH270C，MS82-1228-MJAH270D，MS82-1228-MJAH270E，MS82-1228-MJAH270F，MS82-1228-MJAH310W，MS82-1228-MJAH370W，MS82-1228-MJAH340H，MS82-1228-MJAH590Y，MS82-1228-MJAH780Y，MS82-1228-MJAH440R，MS82-1228-MJAH590R，MS82-1228-MJAH340，