一、ASTM B633 TYPE II的规定 ASTM B633 TYPE II规定了经过电镀处理的不锈钢、碳素钢、镀铜钢和铜等材料的最小厚度和电镀锌层的最小重量。其中,镀锌厚度有两种,分别是0.00019英寸和0.00031英寸。对于这两种镀锌厚度,都提供了多种颜色选择,包括黄...
您好[开心]ASTM B633是美国材料与试验协会（ASTM）关于无电镀锌层的标准规范，而TYPE II是该标准中的一种分类。具体来说，ASTM B633 TYPE II规定了经过电镀处理的不锈钢、碳素钢、镀铜钢和铜等材料的最小厚度和电镀锌层的最小重量。有关电镀锌层的其它规范和分类，请参阅ASTM B633标准的其它部分[鲜花...
1 Do all ASTM B633 Type II platings use Hexavalent Chromium?2 Can you get a type II finish that uses Trivalent?3 Do all ASTM B633 Type III platings NOT use Hexavalent Chromium?4 I have not heard much about the Type IV finishes. Do they use Hex or Trivalent chromium, are they ...
ASTM B633 includes four classifications. Each classification specifies both Type and Service Condition:Type (Type I,II,III,IV,V, or VI) – to determine which supplemental treatment or chromate to apply. Service Condition (SC1, SC2, SC3 or SC4) – to define the minimum plating thickness ...
we have is: "Zinc plate (0.0010" thick) plus bronze chromate conversion per ASTM B633-98: Type 2 bronze, FE/ZN 25, (very severe environments)". Questions I have: How would I call this out for trivalent chromium? Do I continue referencing ASTM B633, even though it was written for ...
finish: 后处理 plate: 电镀 zinc with yellow chormate: 锌盐电镀（防锈处理）SC3: 是一种钢材型号 Type II: 另一种钢材型号 FeZn12：铁基镀锌 Per ASTM B633-07: 一份关于在钢铁上面电镀锌的国际标准 这种是冶金专业英语，你没学过就要加倍努力了。说...
多溴联苯和多溴二苯醚(注意:PBDE正确的中文名称是指多溴二苯醚，多溴联苯醚是错误的说法)共6项物质，并重点规定了铅的含量不能超过0.1%。”TYPE III WITH CLEAR RoHS COMPLIANT TRIVALENT CHROMATE CONVERSION，就是基于RoHS标准执行的清除材料之中的三价铬酸盐这种有害物质，低于某个数值。
CARBON STEEL,AISI 12L14 WITH ZINC PLATING PER ASTM B633 Type II YELLOW Fe/Zn 25 SC 4 PLATING 下载作业帮APP学习辅导没烦恼 答案解析 结果1 举报 碳钢,镀锌AISI 12L14每ASTM b633 II型黄铁/锌25 SC 4电镀 APP内打开 结果2 举报 A. Pure angelA.:纯洁的天使 Pure in terms of friendship, you ...
Fe/Zn8SC2（中等） 8 Fe/Zn5SC1（温和） 5 A锌镀层的铁或钢。数字表明的是以毫米为单位的厚度。B见附录X2。C工作环境仅对有铬转换层的镀层而言。TypeⅡ对SC4和SC3；TypeⅢ对SC2和SC1。表面光洁度—镀层应当属于下列光洁度类型之一：Type 描述 Ⅰ 镀层不需要附加处理 Ⅱ 有彩色铬化层 Ⅲ 有无色...
Would you expect a steel fitting coated per 'ASTM B633TYPE II, FE/ZN 5 with Olive Drab Chromate and Top Coat Passivate' to pass a salt spray test to 168 hrs to white and 300 hrs to red corrosion? Additionally, is the above plating 'ASTM B633TYPE II, FE/ZN 5 with Olive Drab Chroma...