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JB/T4730—2005《承压设备无损检测》是为锅炉、压力容器、压力管道等承压设备配套的无损检测标准。该标准实施已两年多了,由于其内容较全面,规定更合理,同时宽严适度而又合于使用的原则,使得适应性和使用性更强。但笔者在监检工作中也发现射线检测部分的一些条款目前尚不能得到有效的执行,对个别条款的理解和运用上存在偏差。1胶片系统性能测试由于新的胶片分类方法用“胶片系统”取代“胶片”进行分类。胶片系统是指包括胶片、增感屏和冲洗条件的组合。这就牵涉到如何检验和控制胶片处
JB / T4730-2005 “non-destructive testing of pressure equipment” is a nondestructive testing standard supporting pressure equipment such as boilers, pressure vessels and pressure pipes. The standard has been in operation for more than two years. Due to its comprehensiveness, more reasonable provisions and the principle of impartiality and co-operation, it has made it more adaptable and more user-friendly. However, the author also found some provisions in the inspection part of the inspection can not yet be effectively implemented in the inspection work, and there are deviations in the understanding and application of individual articles. 1 film system performance testing due to the new film classification method with “film system ” instead of “film ” for classification. Film system is a combination of film, sensitization screen and processing conditions. This involves how to inspect and control the film