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08-Jul-2016 23:07

They are generally about 10 percent denser than steel, although alloys using aluminium or silicon may be slightly less dense.

Bronze is a better conductor of heat and electricity than most steels.

Commercial bronze (90% copper and 10% zinc) and architectural bronze (57% copper, 3% lead, 40% zinc) are more properly regarded as brass alloys because they contain zinc as the main alloying ingredient.

They are commonly used in architectural applications.

Also, unlike arsenic, metallic tin and fumes from tin refining are not toxic.The archeological period where bronze was the hardest metal in widespread use is known as the Bronze Age.In the ancient Near East this began with the rise of Sumer in the 4th millennium BC, with India and China starting to use bronze around the same time; everywhere it gradually spread across regions.Tin sources and trade in ancient times had a major influence on the development of cultures.

In Europe, a major source of tin was the British deposits of ore in Cornwall, which were traded as far as Phoenicia in the Eastern Mediterranean.

However, if copper chlorides are formed, a corrosion-mode called "bronze disease" will eventually completely destroy it.