History of bronze. Physical and mechanical properties.

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History

Bronze is one of the most ancient alloys. Its appearance is connected with the fact that in most copper mines of antiquity copper ore contained a large percentage of tin. During melting this fact contributed to increase the hardness of the final product. In addition, tin increases the fluidity of the alloy, which facilitated melting of ore in foundry molds. Finished tools sharpened better and became blunt less often. Later it turned out that bronze was also well forged and could be drawn. With the development of metallurgy other components were also added to tin to produce different kinds of bronzes.

Technical Characteristics

Bronze refers to a large group of nonferrous alloys based on copper, for which any metal other than zinc is taken as the predominant alloying additive. In practice, tin, phosphorus, silicon, aluminum and beryllium bronze are used. Currently the technical requirements for bronze production are regulated by several domestic standards (in particular by GOST 613 - tin bronze casting, GOST 10025 - rolled bronze, GOST 5017 drawn and deformed bronze, etc.). Buy bronze offers the company Evek GmbH. The price from the manufacturer. The supplier provides prompt delivery of products to any address.

Physical and mechanical properties

The main application of bronzes is the production of corrosion-resistant products that are well resistant to frictional wear processes. Castings, rods, sheets, wires and forgings are used as initial blanks.

Physical properties of bronzes

Bronze type Density, g/cm3 Thermal conductivity, W/mgrad Coefficient of linear expansion, 10-6 C-1 Specific electrical resistance,106 Ohmm
Aluminum 7,6...8,2 0,19...0,29 16,0...18,2 9,95...18,30
Beryllium 8,25 0,29 16,6 10,0
Silicon 8,4...8,6 0,09...0,12 15,8...18,6 4,6...15,0
Manganese 8,6 0,30 20,4 19,7

Mechanical properties of bronzes

Bronze type tensile strength, MPa Yield strength, MPa Young modulus, hPa Elongation, % Relative elongation Brinell hardness
Aluminum 550...1000 190...500 93...130 4...25 155...200
Beryllium 950 850...900 117 1,5...2 350...400
Siliceous 900 540 120 0,5 65...70
Manganese 600 500 105 2 160

Buy. Supplier, price.

Are you interested in the history of bronze, its physical and mechanical properties? The supplier Evek GmbH offers to buy bronze at a price from the manufacturer. We provide delivery of products to any point on the continent. The price is optimal. We invite you to partner cooperation.