Copper Sleeve Castings

Copper Sleeve Castings are precision-engineered components renowned for their exceptional durability, superior thermal conductivity, and excellent resistance to corrosion and wear. These qualities make them indispensable in demanding applications across industries like heavy machinery, automotive, marine, and power generation. Our manufacturing expertise extends to related high-performance casting processes, including Brass Centrifugal Casting, which ensures a dense, uniform grain structure free of impurities. For applications requiring robust bearing surfaces, our Brass Sleeve Castings offer outstanding performance. We provide comprehensive Centrifugal Casting Service for custom projects, guaranteeing parts with superior mechanical properties. Additionally, for power transmission systems, our Brass Casting Worm Gears deliver high strength and reliable operation.
Precision is at the core of every <产品名字> we produce. We utilize advanced centrifugal and static casting techniques tailored to the specific alloy and final application requirements. This controlled process minimizes porosity and shrinkage, resulting in a casting with isotropic strength and a refined microstructure. Each <产品名字> undergoes rigorous quality control, including dimensional inspection, non-destructive testing, and material analysis, to ensure it meets or exceeds the stringent specifications demanded by our global clientele. Our engineering team works closely with customers from design to production, optimizing the <产品名字> for performance, longevity, and cost-efficiency in its intended operating environment.

Key Parameters & Specifications

Our Copper Sleeve Castings are produced to exacting standards. Below are the primary material and performance characteristics:

  • Primary Alloys: C83600 (Leaded Red Brass), C93200 (High-Leaded Tin Bronze), C95400 (Aluminum Bronze), C95800 (Ni-Al Bronze), C95500
  • Standard Specifications: ASTM B505, ASTM B22, SAE J461, SAE J462, DIN 1705, ISO 1338
  • Typical Hardness: 60 - 210 BHN (dependent on alloy and heat treatment)
  • Maximum Diameter: Up to 1200 mm (47 inches)
  • Maximum Length: Up to 2000 mm (79 inches)
  • Wall Thickness Range: 10 mm to 150 mm (0.4" to 6")
  • Surface Finish: As-cast to 3.2 μm (125 μin) Ra, machined as required
  • Pressure Tightness: Can be manufactured to be pressure-tight for hydraulic applications

Material Properties Comparison

Alloy Name (UNS) Composition Highlights Tensile Strength (Min) Yield Strength (0.5% Ext.) Elongation (%) Key Applications
C93200 (SAE 660) High Leaded Tin Bronze (Sn, Pb, Zn) 241 MPa (35 ksi) 124 MPa (18 ksi) 20 General purpose bearings, bushings, thrust washers
C95400 Aluminum Bronze (Al, Fe) 586 MPa (85 ksi) 241 MPa (35 ksi) 12 High-strength gears, wear plates, heavy-duty bushings
C95800 Nickel-Aluminum Bronze (Ni, Al, Fe) 621 MPa (90 ksi) 276 MPa (40 ksi) 15 Marine components, pump impellers, valve bodies
C83600 (Ounce Metal) Leaded Red Brass (Pb, Sn, Zn) 172 MPa (25 ksi) 83 MPa (12 ksi) 25 Plumbing fittings, low-pressure valves, decorative castings

Available Post-Casting Services

To deliver a ready-to-install component, we offer a comprehensive suite of secondary operations:

  • Precision Machining: Turning, boring, facing, drilling, and threading to final dimensions.
  • Heat Treatment: Stress relieving, annealing, or quenching & tempering to achieve desired mechanical properties.
  • Surface Enhancement: Grinding, polishing, shot blasting, and coating (e.g., tin plating).
  • Quality Assurance Testing: Dye penetrant inspection (DPI), ultrasonic testing (UT), hydrostatic pressure testing, and full material certification.

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