engleski

Techno - Economic Indikators of Seamless Tube Production

First the paper presents a review of steel tubes production, especially seamless tubes. The tube production varied from about 74×106 tons down to 50×106 tons. This applies to seamless tubes (world ratio - welded tubes: seamless tubes was 70 : 30 %). Further in the article are presented the main characteristics of rolling stands for productions of seamless tubes and an analysis of techno - economic indicators. Development tendency at production of tubes as shown in tabular form.

seamless tubes ; techno - economics indicators ; development tendency

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