表面加工等级、特征及用途
Surface finish、Characteristics and application
等 级
Surface finish
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特征及用途 Characteristics and application
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NO.1
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热轧后施以热处理及酸洗处理的表面。一般用于冷轧材料，工业用槽罐、化学工业装置等。
Hot-rolled surface,annealed and pickled,can be used as cold-rolling material,industial tanks and chemical devices.
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NO.2D
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经冷轧后施以热处理及酸洗得到的无光泽冷轧产品。用于汽车零件、建筑材料、管类等。
Cold-rolled, annealed and pickled without skinpassing the dull products can be used as automobile parts, building materrials and pipings.
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NO.2B
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NO.2D经过调质轧制后的产品，光泽度和平坦度比NO.2D 表面好。采用改善机械性能的表面处理后，几乎满足所有用途。
The surface brightness and flatness of NO.2B is better than NO.2D. Then through a special surface treament to improve its mechamical properties, N02B could nearly satisfy comprehensive uses.
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NO.3
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100-120号研磨带研磨出来的产品。具有较佳的光泽度，具有不连续的粗纹。用于建筑内外装饰材料、电器产品及厨房设备等。
Polished with abrasive belt of grit #100-#120,have better brightness with discontinuous coarse stria, used as inner and external ornaments for building, electrical appliances and kitchen utensils etc.
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NO.4
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用150-180号研磨带研磨出来的产品。具有较佳的光泽度，具有不连续的粗纹，条纹比 NO.3细。用于浴池、建筑内外装饰材料、电器产品、厨房设备及食品设备等。
Polished with abrasive belt of grit #150-#180, have better brightness with discontinuous coarse stria, but thinner than NO.3, are used as bathtud building抯 inner and external ornaments electrical appliances, kitchen utensils and food processing equipment etc.
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#320
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用320号研磨带研磨出来的产品。具有较佳的光泽度，具有不连续的粗纹，条纹比 NO.4细。用于浴池、建筑内外装饰材料、电器产品、厨房设备及食品设备等。
Polished with abrasive belt of grit #320, have better brightness with discontinuous coarse stria, but thinner NO.3, are used as bathtub building抯 inner and external ornaments electrical appliances, kitchen utensils and food lprocessing equipment etc.
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HL
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NO.4经适当粒度抛光砂带的连续研磨生成研磨花纹的产品（细分 150-320号）。主要用于建筑装饰，电梯，建筑物的门、面板等。
Polished with abrasive belt of grit #150-320 on the No.4 finish and has continuous streaks, mainly used as building抯 ornaments, elevators, door of building, frontal plate etc.
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BA
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经冷轧后施以光亮退火，并经过平整得到的产品。表面光泽度极好，有很高的反射率。如同镜面的表面。用于家电产品、镜子、厨房设备、装饰材料等。
Cold rolled, bright annealed and skin-passed, the product has excellent brightness and good reflexivity like mirror, used for lectrical appliances, mirror, kitchen apparatus, ornament materials etc.
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表面加工等级说明
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表面加工等级
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特征
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加工工艺
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2D
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呈略具光泽的银白色
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热轧 + 退火喷丸酸洗 + 冷轧 + 退火酸洗
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2B
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呈银白色且比 2D 表面佳的光泽度和平坦度
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热轧 + 退火喷丸酸洗 + 冷轧 + 退火酸洗 + 调质轧制
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No.3
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有佳的光泽度、粗纹
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对 2D 品或 2B 用 100~120 研磨材料（ JIS R6002 ）进行抛光及调质轧制
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No.4
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有佳的光泽、细纹
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对 2D 品或 2B 用 150~180 研磨材料（ JIS R6002 ）进行抛光及调质轧制
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HL
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呈银灰色且具发丝条纹
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对 2D 品或 2B 品用适当粒度的研磨材料进行抛光使表面呈连续磨纹
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