abstract |
A method for the manufacture of extended steel products, after the configuration of the steel product by work, but before the subsequent treatment of the steel product, by means of which the steel product is contaminated by oils and at least one of particles organic and inorganic that are suspended or dissolved in the oils, characterized in that it is caused that the burners (3) emit discharge gases (4) that are caused to interact directly with the surface of the steel product (1), in which the Burners (3) are caused to be propelled by one that contains when oxygen in percentage by weight, whereby the oils (2) that are present in the products (1) vaporize and undergo combustion, and in which the gases (4) discharge are made to interact with the surface of the steel product (1) with a speed that is high enough to blow away the organic and / or inorganic particles of the surface of the steel product. |