C48500 Naval Brass, High Leaded Bronze Alloy

C48500 high-leaded naval brass is ideal for applications needing electrical and thermal conductivity. This wrought alloy has good corrosion resistance, making it suitable for marine applications. In addition, it is good for machining and hot forging.

C48500 is often used for fasteners and in the industrial and marine industries. Common applications include:

  • Naval Brass Gears
  • Naval Brass Light Bearings
  • Naval Brass Marine Hardware
  • Naval Brass Screw Machine Parts
  • Naval Brass Seawater Valve Stems
  • Naval Brass Valve Stems

Diversified Bronze has solid and cored bars and plates available. Talk with a representative about your specific needs.

Technical details

C48500 is made up of 60% copper, 37.5% zinc, 1.75% lead, and 0.75% tin. The best welding techniques include:

  • Brazing
  • Butt
  • Soldering

C48500 Naval Brass, High Leaded Alloy Properties

Physical
Property Imperial Metric
Density 0.305 lb/in³ 8.44 g/cm³
Mechanical
Property Imperial Metric
Rockwell B Hardness 82 82
Tensile strength 55000-77000 psi 379-531 MPa
Yield strength 24900-52900 psi 172-365 MPa
Fracture strain 40% 40%
Machinability 70 70
Elastic modulus 16969 ksi 117 GPa
Poisson's ratio 0.34 0.34
Thermal
Property Imperial Metric
Thermal expansion coefficient (@20-300°C/68-572°F) 11.8 µin/in°F 21.2 µm/m°C
Thermal conductivity (@20.0°C/68°F) 805 BTU in/hr ft² °F 116 W/mK