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在工业建设和安装过程中,存在着大量特种设备焊接作业,如管道焊接、压力容器焊接等。在严格执行焊接工艺规程、焊接工艺卡要求的基础上,焊接完成后的最后一道质量把关,就是对焊口进行无损探伤检验,以保证焊接质量无缺陷,从而保证设备、管道、装置运行的安全。无损探伤检验可分为磁粉着色探伤、X射线探伤、γ源探伤、
In the industrial construction and installation process, there are a large number of special equipment welding operations, such as pipe welding, pressure vessel welding. In the strict implementation of welding procedures, welding process card requirements, based on the welding after the completion of a final quality check is to weld non-destructive testing to ensure that the welding quality without defects in order to ensure the safety of equipment, pipelines, plant operation . Nondestructive testing can be divided into magnetic particle inspection, X-ray inspection, gamma source detection,