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SGS Performs Radiographic Testing of Casting Frames in China

(PresseBox) (Geneva, ) On June 1, 2010, SGS, the world's leading inspection, verification, testing and certification company, was awarded a contract to provide Non-Destructive Testing (NDT) services for a global leader in aerospace and rail transportation. During the sixweek contract, SGS performed Radiographic Testing in order to detect any imperfections and failures in the casting frames of metro cars.

On June 1, 2010, SGS China was assigned a contract to provide Non-Destructive Testing (NDT) services for a large manufacturer of aircraft and mass transportation equipment. During the sixweek contract, SGS checked the integrity of 100 sets of casting frames of metro cars using Radiographic Testing, a conventional NDT method.

Due to the urgent delivery deadline for the Indian New Delhi metro, the world's leader in aerospace and rail transportation looked for a reliable thirdparty testing company, which could provide Non-Destructive Testing of casting frames of metro cars, produced in China, in a very short time.

In order to meet the demands of the client, SGS opened two test sites in Qingdao, China and organized a team of NDT experts within two days. Four SGS NDT experts and fourteen SGS NDT inspectors worked around the clock to provide Non-Destructive Testing of the casting frames of metro cars in the shortest possible time.

SGS applied Radiographic Testing to detect any imperfections and failures in the casting frames and ensure the top quality. During the testing radioactive Xrays and Gammarays were directed at the casting frames of metro cars, while a negative film was positioned behind. The film was then processed and showed an image displayed as a sequence of grey shades between black and white. After the development of the film, SGS experts analyzed thickness and density differences to detect material imperfections and discontinuities.

The biggest challenge of the project was to conduct the NDT tests on 100 sets of casting frames and evaluate over 6,000 pieces of films within six weeks. However, due to SGS's experience in similar projects, the results of the tests were provided on time to the full satisfaction of the client.

SGS is the world's leading inspection, verification, testing and certification company with extensive knowledge and multidisciplinary expertise in Non-Destructive Testing (NDT). Apart from conventional Non-Destructive Testing techniques, SGS offers a wide range of advanced NDT methods, provided to international standards by qualified inspectors. At every stage of an asset's life cycle, SGS contributes value added NDT services and provides quality assurance and process safety.

SGS Industrial Services

The SGS Group is the global leader and innovator in inspection, verification, testing and certification services. Founded in 1878, SGS is recognized as the global benchmark in quality and integrity. With 59,000 employees, SGS operates a network of over 1,000 offices and laboratories around the world.