Bronze BrH1: Properties, application and features
BrH1 bronze is a cast alloy of copper with tin and additives of aluminum and iron. It is widely used in various industries due to its unique properties such as high strength, wear resistance, corrosion resistance and good machinability. In this article we will take a detailed look at the characteristics of BrKh1 bronze, its areas of application, as well as production and processing features.
Chemical composition and physical properties
Chemical composition
Bronze BrX1 has the following chemical composition:
- Copper (Cu): 85-88%
- Tin (Sn): 8-12%
- Aluminum ( Al): 1-3%
- Iron (Fe): 0.5-1.5%
Physical properties
- Density: 8.4- 8.7 g/cm³
- Melting point: 950-1000 °C
- Brinell hardness: 80-120 HB
- Yield strength: 250-350 MPa
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- Elongation: 10-20%
Mechanical properties
BrH1 bronze has good mechanical properties, which makes it suitable for use under conditions of increased loads and wear.
- Strength: BrX1 bronze has high tensile and compressive strength, which allows it to withstand significant mechanical loads.
- Wear resistance: The addition of aluminum and iron to the composition of bronze increases its wear resistance, which makes it suitable for use in parts exposed to friction and abrasion.
- Impact strength: BrX1 bronze has good impact strength, which allows it to withstand shock and vibration.
Corrosion resistance
BrKh1 Bronze has good corrosion resistance to weathering, seawater and various chemical environments.
- Atmospheric Corrosion: BrKh1 Bronze is resistant to corrosion in atmospheric conditions, making it suitable for use in exterior structures.
- Sea water: BrKh1 bronze has good resistance to corrosion in sea water, which allows it to be used in shipbuilding and coastal structures.
- Chemical resistance: BrKh1 bronze is resistant to many chemicals, such as acids, alkalis and solvents.
Technological properties
BrKh1 bronze lends itself well to casting, forging, stamping and other technological processes.
- Casting: Bronze BrKh1 is well cast into sand, chill and centrifugal molds.
- Forging: Bronze BrKh1 can be forged in hot and cold conditions.
- Stamping: Bronze BrKh1 is well stamped in cold state.
- Welding: Bronze BrKh1 can be welded by gas and arc welding.
Areas of application
Bronze BrKh1 is widely used in various industries :
- Mechanical engineering: Bearings, bushings, gears, shafts, springs, pump and compressor parts.
- Shipbuilding: Screws, propeller shafts, pipelines, ship hull parts. li>
- Instrument making: Instrument casings, mechanism parts, springs.
- Construction: Details of window and door structures, decorative elements.
- Furniture industry: Furniture parts, fittings.
- Furniture industry: Furniture parts, fittings.
- Furniture industry: Furniture parts, fittings.
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Advantages and disadvantages
Advantages
- High strength and wear resistance
- Good corrosion resistance
- Good machinability
- Availability and relatively low cost
Disadvantages
- Low thermal conductivity
- Relatively high density
Conclusions
BrKh1 bronze is a universal casting alloy that has a number of valuable properties, such as high strength, wear resistance, corrosion resistance and good machinability. Due to these properties, BrKh1 bronze is widely used in various industries.
Additional information
- For more detailed information about BrKh1 bronze, its properties and applications, it is recommended to refer to the relevant standards and technical documents.
- When choosing BrKh1 bronze for a specific application, it is necessary to take into account operating conditions, requirements for mechanical and physical properties, as well as economic factors.
Frequently asked questions
- What is the cost of BrKh1 bronze?
The cost of BrKh1 bronze depends on many factors, such as order volume, form of delivery, region and etc. On average, the cost of BrKh1 bronze ranges from 150 to 250 rubles per kilogram.
- What is the melting point of BrKh1 bronze?
Temperature The melting temperature of BrKh1 bronze is from 1020 to 1050°C.
- What is the density of BrKh1 bronze?
The density of BrKh1 bronze is 8. 9 g/cm³.
- What is the hardness of BrKh1 bronze?
The Brinell hardness of BrKh1 bronze ranges from 100 to 120 HB.
- What is the thermal conductivity of BrKh1 bronze?
The thermal conductivity of BrKh1 bronze is from 110 to 120 W/(m K).