Osorio de CastroStand: 4H06Certifications and quality assurancehttps://osoriodecastro.com/Carbon steelsHot Rolled / Cold Drawn / Rectified steels h6/h7Other productsEasy Cut steelsPre-treated steels (Quenching and tempering)Aceros de CementaciónCast ironHard Chromed / Tempered Hard chromeInner Lapped Tube H8/H9Other alloys