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High-Leaded Brass Tube - CDA 332

High-Leaded Brass Tube (CDA 332) is a copper-zinc alloy with a higher lead content, enhancing its machinability. It is commonly used in applications requiring easy cutting, forming, and threading, while also offering good corrosion resistance. This alloy is typically used in industries like plumbing, electrical, and mechanical engineering.

Chemical Composition

Element

Composition (%)

Copper 62.0 - 65.0
Lead 1.5 - 2.5
Zinc Rem.
Iron 0.35 max

 

Physical Properties

Property

Value

Density

0.308 lb/in³ at 68°F

Specific Gravity

8.53

Melting Point (Liquidus)

1710°F

Melting Point (Solidus)

1650°F

Electrical Conductivity

26% IACS at 68°F

Thermal Conductivity

67 Btu/sq ft/ft hr/°F at 68°F

Coefficient of Thermal Expansion (68-572°F)

11.3 × 10⁻⁶ per °F

Specific Heat Capacity

0.09 Btu/lb/°F at 68°F

Modulus of Elasticity in Tension

15,000 ksi

Modulus of Rigidity

5,600 ksi

Mechanical Properties

Property

Value

Tensile Strength 65 ksi (typical)
Yield Strength (0.5% Extension) 50 ksi (typical)
Elongation 32% (typical)
Modulus of Elasticity in Tension 15,000 ksi
Modulus of Rigidity 5,600 ksi
Rockwell B Hardness 80 (typical for hard temper)
Machinability Rating 60

Thermal Properties

Property

Value

Melting Point (Liquidus)

1710°F (932°C)

Melting Point (Solidus)

1650°F (899°C)

Thermal Conductivity

67 Btu/sq ft/ft hr/°F at 68°F (116 W/m·K at 20°C)

Coefficient of Thermal Expansion (68-572°F)

11.3 × 10⁻⁶ per °F (20.3 × 10⁻⁶ per °C)

Specific Heat Capacity

0.09 Btu/lb/°F at 68°F (377 J/kg·K at 20°C)

Annealing Temperature Range

800-1200°F (427-649°C)

Fabrication Properties

Property

Characteristic

Cold Working

Excellent

Hot Forming

Poor

Machinability

Very Good (Rating: 60)

Soldering

Excellent

Brazing

Good

Oxyacetylene Welding

Fair

Gas Shielded Arc Welding

Fair

Coated Metal Arc Welding

Not Recommended

Spot Welding

Fair

Seam Welding

Not Recommended

Butt Welding

Fair

Forming and Bending

Excellent

Piercing and Punching

Excellent

Polishing

Good

Plating

Good

Common Applications

Common applications of High-Leaded Brass Tube (CDA 332) include:

  • Valve stems and fittings
  • Precision-machined components
  • Plumbing fixtures
  • Bearings and bushings
  • Electrical connectors and terminals

How Can Drawn Metal Help

If you have any queries about the metal products that we offer, don’t hesitate to get in touch with us. 

 

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