钢管镀锌含量检测 镀锌厚度测试报告办理

镀层厚度测试检测材料表面的金属和氧化物覆层的厚度测试。检测方法有 1. 金相法 2. 库仑法 3. X-ray 方法。 


参考标准： 


1. GB/T 6462-2005金属和氧化物覆盖层 厚度测量 显微镜法 

2. ASTM B487-85(2007) Standard Test Method for Measurement of metal and Oxide Coating Thickness by Microscopical Examination of a Cross Section 

3. ASTM B764-04 Standard Test Method for Simultaneous Thickness and Electrode Potential 

Determination of Individual Layers in Multilayer Nickel Deposit (STEP Test) 

4. GB/T4955-1997金属覆盖层 覆盖层厚度测量 

5. GB/T16921-2005 金属覆盖层 覆盖层厚度测量 X射线光谱方法 

6. ASTM B568-98(2004) Standard Test Method for Measurement of Coating Thickness by X-Ray Spectrometry