Leaded Commercial Bronze Copper Alloy - CDA 314 | Drawn Metal Tube

Property	Value	Units
Melting Point - Liquidus	1750 °F	954 °C
Melting Point - Solidus	1680 °F	916 °C
Density	0.308 lb/in³ at 68 °F	8.53 g/cm³ at 20 °C
Specific Gravity	8.53	8.53
Electrical Conductivity	28% IACS at 68 °F	0.162 MegaSiemens/cm at 20 °C
Thermal Conductivity	70 Btu/sq ft/ft hr/°F at 68 °F	121.2 W/m at 20 °C
Coefficient of Thermal Expansion	11.1 × 10⁻⁶ per °F (68-572 °F)	19.2 × 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	16,000 ksi	110,317 MPa
Modulus of Rigidity	6,000 ksi	41,369 MPa

Property	Characteristic
Chemical Composition	Cu: 87.50-90.50%, Pb: 1.30-2.50%, Zn: Rem., Fe: 0.10%, Ni: 0.70%
Density	0.319 lb/in³ (8.83 g/cm³) at 68°F (20°C)
Melting Point (Liquidus)	1900°F (1038°C)
Melting Point (Solidus)	1850°F (1010°C)
Electrical Conductivity	42% IACS at 68°F (0.246 MegaSiemens/cm)
Thermal Conductivity	104 Btu/sq ft/ft hr at 68°F (180 W/m²·K)
Coefficient of Thermal Expansion	10.2 × 10⁻⁶ per °F (68-572 °F)
Tensile Strength (min)	50 ksi (345 MPa)
Yield Strength (min)	30 ksi (205 MPa)
Elongation	7% in 2 in. or 50 mm min
Rockwell Hardness	HRB 61
Machinability Rating	80
Fabrication Properties	Good for cold working, fair for butt welding, poor for hot forming

Common applications of Leaded Commercial Bronze Copper Alloy (CDA 314) include:

Bearings and bushings
Gears and worm wheels
Valve stems and fittings
Electrical connectors and components
Fasteners, screws, and threaded parts
Plumbing components and fixtures
Decorative hardware and trim
Marine and industrial equipment components

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