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Application filed by Tubos De Acero De Mexico S AfiledCriticalTubos De Acero De Mexico S A
Publication of ECSP034597ApublicationCriticalpatent/ECSP034597A/en
La presente invención está referida a un producto de acero, particularmente a un producto de acero tal como un tubo de acero sin costura, que tiene alta resistencia mecánica y alta resistencia al colapso. El objetivo principal de esta invención es proporcionar una composición química del acero utilizado para la fabricación del tubo sin costura y un proceso de fabricación , que permitan obtener un producto con alta resistencia mecánica, y alta resistencia al colapso. El invento esta caracterizado por usar para su fabricación una barra de acero de baja aleación con la siguiente composición, en el % de peso, además del Fe: Un máxima de 0,30% de carbona, una máxima de 1,60% de manganeso, una máxima de 0,020% de Fósforo, una máxima de 0,010% de azúfre, una mínima de 0,06% de Molibdeno, una mínima de 0,20%de crómo y una mínima de 0,010% de Aluminio.The present invention relates to a steel product, particularly a steel product such as a seamless steel tube, which has high mechanical strength and high resistance to collapse. The main objective of this invention is to provide a chemical composition of the steel used for the manufacture of the seamless tube and a manufacturing process, which allow to obtain a product with high mechanical resistance, and high resistance to collapse. The invention is characterized by using for its manufacture a low alloy steel bar with the following composition, in% weight, in addition to Fe: A maximum of 0.30% carbon, a maximum of 1.60% manganese , a maximum of 0.020% of phosphorus, a maximum of 0.010% of sulfur, a minimum of 0.06% of molybdenum, a minimum of 0.20% of crús and a minimum of 0.010% of aluminum.
ECSP0345972002-05-172003-05-12
STEEL TUBE WITH HIGH COLLAPSE RESISTANCE AND METHOD TO PRODUCE IT
ECSP034597A
(en)
LOW ALLOY CARBON STEEL FOR THE MANUFACTURE OF PIPES FOR EXPLORATION AND PRODUCTION OF PETROLEUM AND / OR NATURAL GAS, WITH IMPROVED CORROSION RESISTANCE, PROCEDURE FOR MANUFACTURING SEAMLESS PIPES AND SEWLESS TUBES OBTAINED
seamless steel tube of high mechanical strength, good hardness, good resistance to fracture in metal, base and heat affected zone (haz) and good corrosion resistance and process for its manufacture