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What inherent defects may exist in the raw material of welded pipeMainly include delamination, non-metallic inclusions, segregation, bubbles, gas content, and poor metallographic structure, etc.68 How does stratification come about? What is the impact on the quality of steel pipes?The delamination i
904L is a highly alloyed austenitic stainless steel with very low carbon content. The steel is designed for harsh corrosive environments. The alloy was originally developed for corrosion resistance in dilute sulfuric acid. This feature has been proved to be very successful after years of practi
With the development of China gas resources and the progress of foreign gas introduction, the amount of LSAW steel pipes as the main pipe for high-pressure gas transportation will increase significantly