The Radiographic Inspection of GQ80 Railway Tank Car
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摘要: 针对GQ80型铁路罐车的产品特点,论述了GQ80铁路罐车罐体对接接头无损检测的必要性.并结合设计要求、北美铁路罐车及国内液体危险货物罐式运输工具对无损检测的规定,进一步阐明采用质量标准为JB/T 4730.2-2005《承压设备无损检测》规定的Ⅲ级检测法、抽检比例不少于10%的必要性,为铁路罐车制造行业实施无损检测提供了借鉴.Abstract: According to the characteristics of the product and dielectric properties of GQ80 type railway tanker,present paper discusses the necessity of nondestructive testing of GQ80 tank butt joint.Combining the design requirements with nondestructive testing specifications by North American railway tank car and the domestic liquid dangerous goods tank transportation tool,it further clarifies the choice of X-ray detection method according to the quality standards of grade III of JB/T 4730.2-2005.It also provides reason of the detection ratio being not less than 10%,thus providing a scientific basis for the railway tank car manufacturing industry to implement nondestructive testing.
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Keywords:
- Tank car /
- NDT /
- Radiographic inspection
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