C314 Brass
Material Notes: C314 brass, which is often called C31400 or leaded commercial bronze, is a wrought bronze alloy engineered for excellent strength, toughness, and precision. Its exact makeup is around 89% copper, 9% zinc, and 2% lead.
Applications:
• Acceptable within applicable limits for electrical connectors, terminals, and other conductive parts.
• Capable of producing precision screws, bolts, and other similar threaded articles.
• Multi-purpose working brass for bushing type and very broad machined valve components and other machinable parts.
• C314 Brass offers an optimal combination of machinability, conductivity, and corrosion resistance.

Specifications for C314 Brass
Widely accepted, C314 Brass is an alloy known for high machinability and dependable performance. Mostly comprised of copper and zinc, with traces of lead, it is a blend of strength, ductility, and corrosion resistance.
Property | US Customary | Metric |
---|---|---|
Melting point - liquidus | 1900 °F | 1038 °C |
Melting point - solidus | 1850 °F | 1010 °C |
Density | 0.319 lb/in³ at 68 °F | 8.83 g/cm³ at 20 °C |
Specific gravity | 8.83 | 8.83 |
Electrical conductivity | 42% IACS at 68 °F | 0.246 MegaSiemens/cm at 20 °C |
Thermal conductivity | 104 Btu/sq ft/ft hr/°F at 68 °F | 180 W/m at 20 °C |
Coefficient of thermal expansion | 10.2 × 10⁻⁶ per °F (68-572 °F) | 17.6 × 10⁻⁶ per °C (20-300 °C) |
Specific heat capacity | 0.09 Btu/lb/°F at 68 °F | 377.1 J/kg at 20 °C |
Modulus of elasticity in tension | 17000 ksi | 117212 MPa |
Modulus of rigidity | 6400 ksi | 44127 MPa |
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