Leave the welded pipe joints with radiographic testing (RT) to Benkan Kiko!
Radiographic Testing (RT) is a non-destructive testing method that allows inspection without damaging the product, making it possible to examine invisible internal defects. RT is primarily conducted to detect defects in the longitudinal welds of joints, and it can be applied to products with wall thicknesses ranging from a few millimeters to over 100 mm. We can also accommodate products for which RT is required by regulations such as the Electric Utility Industry Law, Gas Utility Industry Law, and High-Pressure Gas Safety Law, as well as those requested by customers. Additionally, considering the test specimen and the defects to be detected, we implement appropriate testing by selecting and combining various methods, including Penetrant Testing (PT), Magnetic Particle Testing (MT), and Ultrasonic Testing (UT), in addition to RT. We are also able to respond to various testing requests from customers, so please feel free to consult with us.
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basic information
Radiographic testing (hereinafter referred to as RT) is a method that detects internal defects by irradiating a test specimen with radiation and capturing the intensity of the radiation that passes through the specimen on X-ray film. In the case of joints, X-ray film is placed inside the pipe, and radiation is emitted from the outside of the pipe. After developing the film, areas with internal defects, such as cracks, will allow more radiation to pass through and will appear dark on the film. The shape captured on the film is then evaluated to determine the types of defects present. Since RT uses radiation for testing, it is conducted in a building equipped with lead doors and sufficiently thick concrete walls to prevent radiation from leaking to the outside.
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Applications/Examples of results
RT is conducted mainly to detect defects in the longitudinal welds of joints.
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Company information
From residential water supply and hot water piping to massive pipelines in large-scale plants, piping that supports our daily lives is spread throughout the world. Benkankikoh Co., Ltd. is involved in the manufacturing of welded pipe fittings, which are essential components of this piping. We provide optimal products tailored to the piping environment (design and usage conditions, etc.) and construction situations, not only for general building water supply and hot water piping but also for power plants, gas plants, refineries, oil and chemical plants, shipbuilding, and more, where strict quality standards are required.
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