The Influence of Annealing and Normalizing Processes on the Mechanical Properties and Chemical Composition of Carbon Steel ASTM A285Gr.C
Yassin Mustafa Ahmed
Yassin Mustafa Ahmed*, Department of Mechanical Engineering, Technical College of Engineering, Sulaimani Polytechnic University, Sulaimani, Kurdistan region, Iraq.

Manuscript received on January 05, 2020. | Revised Manuscript received on January 25, 2020. | Manuscript published on January 30, 2020. | PP: 4928-4933 | Volume-8 Issue-5, January 2020. | Retrieval Number: E6020018520/2020©BEIESP | DOI: 10.35940/ijrte.E6020.018520
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Abstract: Paper Carbon steel ASTM A285 Grade C it’s easy to use and has all the material properties that are suitable for many purposes. One of the most metallurgical processes is heat treatment. Heat treatment on carbon steel is to improve ductility, toughness, strength, hardness and tensile strength and to relieve internal stress developed in the material. This paper describes the effect of rising temperature change on the mechanical properties of specimens. Two important processes of heat treatment are achieved in this paper; First heat treatment process is “Annealing” that involves heating specimens gradually in a furnace above several 723 °C and then soaking it in the furnace and then cooled inside the furnace. “Normalizing” is a second process that also involves heating the specimens gradually in a furnace above several 723 °C and soaking it in the furnace followed by cooled in the air. The specimen prepared according to ASTM (American Society for Testing and Material) standard. With increasing the temperature of the annealing process the strength of the specimens is decreased until it reached around 350 MPa at 1000 °C. Through the chemical composition of the specimen after the heat treatment process and compared with nominal compositions observed that the specimens loosed elements.
Keywords: ASTM; Carbon Steel; Annealing; Normalizing; Mechanical Properties.
Scope of the Article: Mechanical Design.