Suez University, Faculty of Petroleum and Mining Engineering, Metallurgical and Material Engineering, Dep. Assalam City, Suez, P.O. Box 43533, Egypt.
Al-Azhar University, Faculty of Engineering, Mining and Pet. Dept., Nasr City, P.O. Box 11371, Cairo, Egypt.
Suez Steel Company, Suez, P.O. Box 43533, Egypt.