Brass Centrifugal Casting

Centrifugal casting stands as a pinnacle of precision manufacturing for high-performance brass components. Our Brass Centrifugal Casting process delivers unparalleled metallurgical integrity, producing parts with exceptional density, superior mechanical properties, and a refined, homogeneous grain structure free from common casting defects like porosity and inclusions. This method is particularly advantageous for creating cylindrical parts that demand high structural reliability and dimensional consistency. As a leading provider of Centrifugal Casting Service, we specialize in crafting durable and precise Brass Sleeve Castings and complex Brass Casting Worm Gears. While our expertise is rooted in brass alloys, our advanced foundry capabilities also extend to Copper Centrifugal Casting for applications requiring superior thermal and electrical conductivity. Our process ensures every component meets rigorous industry standards for strength, wear resistance, and longevity.


The Brass Centrifugal Casting technique utilizes centrifugal force to distribute molten metal uniformly against the inner wall of a rotating mold. This action creates a dense, fine-grained outer surface with excellent mechanical characteristics, ideal for bearing surfaces and high-stress applications. Key advantages of this method include minimal material waste, consistent wall thickness, and the ability to produce complex hollow shapes without the need for cores in many cases. We employ strict quality control protocols at every stage, from alloy selection and melting to mold preparation and final machining, ensuring that every Brass Centrifugal Casting component performs reliably in demanding environments such as hydraulic systems, marine engineering, heavy machinery, and power transmission.

Standard Brass Centrifugal Casting Product Specifications:

  • Primary Alloys: C83600 (Leaded Red Brass), C85700 (Leaded Yellow Brass), C87500, C90300, C95500 (Aluminum Bronze).
  • Standard Diameter Range: 50 mm to 800 mm (2 inches to 32 inches).
  • Wall Thickness Range: 5 mm to 100 mm (0.2 inches to 4 inches).
  • Standard Length: Up to 1500 mm (59 inches).
  • As-Cast Surface Finish: 6.3 µm Ra to 12.5 µm Ra.
  • Typical Density: > 8.4 g/cm³, ensuring minimal porosity.
  • Common Post-Casting Processes: CNC machining, drilling, boring, grinding, polishing.
Alloy Grade Tensile Strength (Min) Yield Strength (0.5% Ext.) Elongation (%) Hardness (Brinell) Primary Application Examples
C83600 (SAE 40) 270 MPa 124 MPa 20 60 HB Bushings, bearings, general machinery parts
C85700 (Leaded Yellow Brass) 255 MPa 110 MPa 25 55 HB Decorative fittings, low-pressure valves
C87500 (Silicon Brass) 380 MPa 170 MPa 18 85 HB High-strength gears, marine hardware
C90300 (Tin Brass) 310 MPa 138 MPa 22 75 HB Bushings, bearings, worm wheels
C95500 (Aluminum Bronze) 620 MPa 275 MPa 12 190 HB High-wear sleeves, heavy-duty bearings, gears

Dimensional Tolerances for As-Cast Brass Centrifugal Castings (per ASTM standards):

Dimension Type Tolerance for Dimensions ≤ 100mm Tolerance for Dimensions > 100mm to 300mm Tolerance for Dimensions > 300mm
Outside Diameter ±1.0 mm ±1.5 mm ±2.0 mm
Inside Diameter ±0.8 mm ±1.2 mm ±1.8 mm
Wall Thickness ±0.5 mm ±0.8 mm ±1.2 mm
Length / Height ±1.0 mm ±1.5 mm ±2.0 mm

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