Influencing Factors onto Quality of Welded PipesReportar como inadecuado




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Metallurgy, Vol.42 No.1 January 2003. -

At days of market economies and large competitiveness in the world, the most important assignment for enterprises is maintenance of their customers. If an enterprise wants to execute this it has to take care about the very best quality of its articles and has to improve it constantly. It was decided to deal with quality problems in this paper which appear during compound technological production process of welded tubes. This process is a process of great frequency welding. The quality of welded tubes is largely influenced by batch material. Steel tapes should not contain unmetalic interpolations. Fragile unmetalic inclusions make difficult process of pipe welding as well as welds or area next to weld. These inclusions have unfavorably influence onto quality. In the paper different problems were described which appear during technological process of pipes welding such as bad cutting of the tape-batch, cold welds or else convexity of bands. It has also introduced proposal of prevention activities in future.



Autor: J. Selejdak -

Fuente: http://hrcak.srce.hr/



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