Copper Centrifugal Casting

For demanding applications requiring exceptional wear resistance, superior mechanical properties, and high-density structures, copper centrifugal casting stands as the premier manufacturing process. This specialized technique involves pouring molten copper or copper alloys into a rapidly spinning mold. The powerful centrifugal force pushes the molten metal against the mold wall, creating a cast component with a fine, uniform grain structure, significantly reduced porosity, and excellent dimensional accuracy. The result is a superior product compared to conventional static casting methods, making it ideal for critical components like heavy-duty bushings, bearing sleeves, and high-performance gear blanks. Our advanced centrifugal casting service leverages decades of expertise to produce not only premium Copper Centrifugal Casting products but also specialized components like Brass Centrifugal Casting, precision Brass Sleeve Castings, and durable Brass Casting Worm Gears. We offer a comprehensive, custom Centrifugal Casting Service tailored to meet stringent industry specifications for sectors ranging from marine and power generation to heavy machinery and industrial automation.


The inherent advantages of the <产品名字> process are reflected in the exceptional parameters of the final components. The centrifugal force ensures a dense, homogeneous microstructure free from common defects like shrinkage cavities and gas porosity. This directly translates to enhanced physical and mechanical properties, including superior tensile strength, excellent fatigue resistance, and improved bearing surface characteristics. Furthermore, the process allows for precise control over wall thickness and outer diameter, minimizing subsequent machining requirements and material waste. For critical applications involving high loads, speeds, or corrosive environments, <产品名字> delivers unparalleled reliability and longevity. Below are the detailed specifications and material properties that define our high-quality centrifugal cast copper products.

Standard <产品名字> Alloys & Composition

Alloy Designation Primary Composition Key Characteristics
C93200 (SAE 660) Cu (81-85%), Sn (6.5-7.5%), Pb (6-8%), Zn (1-4%) Excellent bearing properties, good machinability, high load capacity.
C93700 Cu (78-82%), Pb (8-11%, Sn (9-11%) High leaded bronze for high-speed, high-pressure bearing applications.
C95800 (Ni-Al Bronze) Cu (79-85%), Al (8.5-9.5%, Ni (4-5%, Fe (3.5-4.5%) Exceptional corrosion resistance, high strength, good wear resistance.
C95500 Cu (83-86%), Al (10-11.5%, Ni (3-5%, Fe (3-5%) High strength aluminum bronze, suitable for severe service conditions.

Typical Mechanical & Physical Properties

  • Tensile Strength: 40,000 – 110,000 psi (275 – 758 MPa)
  • Yield Strength (0.2% Offset): 18,000 – 65,000 psi (124 – 448 MPa)
  • Elongation (% in 2"): 10% – 25%
  • Hardness (Brinell): 60 – 210 BHN
  • Density: Approximately 0.318 lb/in³ (8.8 g/cm³)
  • Porosity Level: Typically less than 1%, often negligible.

Standard Production Tolerances & Capabilities

Parameter Standard Tolerance Notes
Wall Thickness ±5% or ±0.030" (0.76mm) Whichever is greater. Tighter tolerances available upon request.
Outside Diameter (OD) ±0.5% of nominal OD For diameters up to 40 inches (1016 mm).
Inside Diameter (ID) Dependent on process, typically ±0.010" to ±0.060" Final ID is often machined to precise customer drawings.
Length / Height ±0.125" (3.18mm) For castings up to 120 inches (3048 mm) in length.
Surface Finish (As-Cast) 125 – 250 µin Ra Machined finishes can achieve 32 µin Ra or better.

Available Sizes & Dimensions

  • Outside Diameter (OD) Range: 2 inches to 50 inches (50 mm to 1270 mm)
  • Wall Thickness Range: 0.25 inches to 6 inches (6.35 mm to 152.4 mm)
  • Maximum Length: Up to 150 inches (3810 mm), depending on OD and equipment.
  • Weight Capacity: Single pieces up to 10,000 lbs (4,536 kg).

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