Signetix, Inc.

There are so many products that have been made possible by the availability of cheap, abundant steel. This includes everything from railroads and pipelines to power lines, skyscrapers, refrigerators, automobiles, nails, bolts, needles, wire, scissors, razors, and tools of every sort.

When copper (83 %), tin (14 %), zinc (3 %), and phosphorus (0.8 %) are combined, what non-ferrous alloy is produced? If you guessed bronze, you're right. The word "bronze" comes to us from the Italian word "bronzo, meaning "bell metal."

Even though steel is a very hard, tough, and durable alloy, it is rather inexpensive when purchased in bulk. Because it is one of the most common building materials, it is used for almost any type of construction. If you have a large project, then use steel. It pays for itself!

The Bessamer Process, patented by Henry Bessamer in 1856, is a process by which oxygen is passed through molten pig iron to remove impurities using oxidation.