In the Late Classic Period Yaxchilan was one of the most powerful Maya cities along the course of the Usumacinta, with Piedras Negras as its major rival. Architectural styles in subordinate sites in the Usumacinta region demonstrate clear differences that mark a clear boundary between the two kingdoms.
Answered by The Community. Making the world better, one answer at a time. Steel is not usually considered a composite, as it is macroscopically homogeneous. However, some steel types, including classical iron-carbon steel, can be considered as metal-matrix composites, as they contain a second phase... sometimes.
All steel is composed of iron and carbon. It is the amount of carbon, and the additional alloys that determine the properties of each grade. Classifications. Types of Steel can also be classified by a variety of different factors: Composition: Carbon range, Alloy, Stainless. The production method: Continuous cast, Electric furnace, Etc. Finishing method used: Cold Rolled, Hot Rolled, Cold Drawn (Cold Finished), Etc.