Accelerated Cooling Heat Treatment of Equilateral Angle and Hea-Heb Profiles
Fatma KÖZ Furkan ACAR Emre Demirci Hayrettin Ahlatçı Yavuz Sun Yunus Türen Mustafa DEMİRKAZIK Mesut KAYMAZ Şerafettin ÖNER
AbstractHeat treatment methods are the most commonly used production steps because they can interfere with all the mechanical properties of the material without altering the chemical composition of the metal in industry. Accelerated cooling is also one of the most prominent points in the series production process in these heat treatment methods. This method is used in the manufacturing process of thin pearlitic steel, double phase steel, rayon sheet steel which is used for bainitic steel production, from construction bar to profile in many different quality and size products. In this study, S355J2 corrugated corrugations and S275JR quality HEA-HEB structural section steels were produced from hot rolled billets produced by open casting method. Intensive inclusions were found in both of the materials examined and it was seen that they could not meet the mechanical strength values in the sizes with low crushing rates. These materials, especially those with low impact strength, have been subjected to accelerated cooling to increase their impact strength.