chief of state. n. pl. chiefs of state. The formal head of a nation, distinct from the head of the government. Also called head of state. chiefâ² of stateâ² n. the titular head of a nation, as a president or king. Thesaurus Antonyms Related Words Synonyms Legend: Switch to new thesaurus . Noun: 1.
Strength is an important quality in the use of metals. This is especially true in construction, transportation, heavy industry and tool making. Metal alloys are often stronger than a metal in their pure form. In discussing the strongest metals, we should first consider what we mean by strength.
Key Difference â Ferrous and Nonferrous Alloys. An alloy is a metal made of two or more metallic elements to enhance strength and corrosion resistance. The key difference between ferrous and nonferrous alloys is that ferrous alloys contain iron in their composition whereas non-ferrous alloys do not contain iron as an element. Both of these alloys are extensively used in the modern industrial and engineering applications, but for different uses.