List of virtual communities with more than 100 million users. Welcome to Gulf Coast Museum of Art. Alloy. Wire rope made from steel, which is a metal alloy whose major component is iron, with carbon content between 0.02% and 2.14% by mass.
The alloy constituents are usually measured by mass. Alloys are usually classified as substitutional or interstitial alloys, depending on the atomic arrangement that forms the alloy. They can be further classified as homogeneous (consisting of a single phase), or heterogeneous (consisting of two or more phases) or intermetallic (where there is no distinct boundary between phases). Varieties of Jade. Varieties of Jade Jade has been known and treasured for more than 7,000 years.
In prehistoric times, jade was used in many parts of the world for arms and tools because of its exceptional toughness.