Steel Construction Products Conducive to Supporting an Eco-friendly Society

摘要

Steel is the metal that people know best, and more than 90% of all metallic end products are manufactured using steel. An uncountable number of products made from steel are used in our daily lives. Iron accounts for about 30% of the Earth's total weight and are said to be its richest resource. In addition, because iron is magnetic, it can easily be separated from other materials and easily recovered after the end of its service life.