Method of manufacturing a tubular product and tubular product
AssigneeBenteler Steel/Tube GmbH
InventorsMichael Kaufmann, Marco Walterfang, Ralf Köster
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Abstract
The present invention relates to a method for manufacturing a tubular product, characterized in that the tubular product is manufactured from steel comprising chromium in the range of 2.5 to 9.5 wt. % and silicon in an amount of more than 1.0 wt. %, and the method comprises the steps of austenitizing, quenching and tempering at a tempering temperature in the range of 300° C. to 550° C. Furthermore, the invention concerns a tubular product produced by this method.
Claims17
Tubular product, characterized in that it is manufactured from steel comprising chromium in a range of 3-7 wt. % and silicon in an amount of more than 1.0 wt. %, and the method of manufacturing comprises the steps of austenitizing, quenching and tempering at a tempering temperature in a range of 300° C. to 550° C.
Dependencies are inferred from the claim text.