Copper & Copper Alloys

Copper alloys are versatile, high-performance materials known for their excellent electrical conductivity, thermal conductivity, corrosion resistance, and ductility. The combination of these physical properties makes copper and its various alloys (such as brass, bronze, beryllium bronze, etc.) suitable for a wide range of applications and industries, including machine manufacturing, aerospace, marine engineering, precision electronic component production, etc. Jiangsu DZX Technology Co., Ltd. provides copper alloys of various specifications, direct sales from manufacturers, and supports global shipping.

Cast Beryllium Bronze

Jiangsu DZX Technology Co., Ltd. specializes in the production and supply of high-quality cast beryllium bronze (QBe2/БрБ2). The product has extremely high strength, hardness and excellent wear and corrosion resistance. Provide plate, rod, wire and other specifications. Factory direct sales, shipped from Jiangsu Province, with favorable prices, sufficient stock, and global distribution support.

Specifications
Cast Beryllium Bronze Plate/Sheet
Thickness 5mm-300mm
Width 200mm-1000mm
Length 1000mm-2000mm
Cast Beryllium Bronze Rod
Diameter 10mm-500mm
Length 500mm-2000mm
Cast Beryllium Bronze Wire
Diameter 1mm-10mm
Chemical Composition
Copper (Cu) Rest
Beryllium (Be) 1.8%-2.1%
Cobalt (Co) 0.2%-0.6% (to enhance age hardening effect)
Other Elements ≤ 0.5% (e.g. nickel and iron)
Physical Properties
Density 8.25-8.4g/cm³
Melting Point 960°C-1025°C
Thermal Conductivity 105-130 W/(m·K) (20°C)
Electrical Conductivity 16%-25% IACS (International Annealed Copper Standard)
Coefficient of Thermal Expansion 17×10⁻⁶/K(20°C-300°C
Mechanical Properties
Tensile Strength Solid solution state 550-800 MPa
After aging treatment 950-1200 MPa
Yield Strength After aging treatment ≥ 600 MPa
Elongation at Break Depending on heat treatment condition 1%-10%
Hardness Solid solution state 200-300 HB
After aging treatment 280-420 HB

Frequently Asked Questions (FAQ)

What is the composition of cast beryllium bronze QBe2 (БрБ2)?

QBe2.0 is a copper beryllium casting alloy: copper balance, beryllium 1.8%-2.1%, cobalt 0.2%-0.6% to enhance the aging strengthening effect, and the total of nickel, iron and other elements is ≤0.5%. High beryllium content provides ultra-high strength and is suitable for heavy-duty precision castings.

QBe2.0 is a copper beryllium casting alloy: copper balance, beryllium 1.8%-2.1%, cobalt 0.2%-0.6% to enhance the aging strengthening effect, and the total of nickel, iron and other elements is ≤0.5%. High beryllium content provides ultra-high strength and is suitable for heavy-duty precision castings.

QBe2.0 is a copper beryllium casting alloy: copper balance, beryllium 1.8%-2.1%, cobalt 0.2%-0.6% to enhance the aging strengthening effect, and the total of nickel, iron and other elements is ≤0.5%. High beryllium content provides ultra-high strength and is suitable for heavy-duty precision castings.

It has excellent fluidity and can cast precision castings with complex shapes; the hardness after aging reaches 280-420HB, and the loss under long-term friction conditions is extremely low; it is resistant to seawater salt spray corrosion and maintains mechanical strength under high temperatures, making it suitable for high-wear-resistant key parts under heavy-duty working conditions.

The thickness of the plate is 5-300mm, the width is 200-1000mm, and the length is 1000-2000mm; the diameter of the rod is 10-500mm, the length is 500-2000mm; the diameter of the wire is 1-10mm. The brand QBe2/БрБ2 is available from stock and can be customized directly from Jiangsu manufacturers.

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