BRASS

BRASS

1. 2. ALPHA-BETA BRASSES

   • Copper-zinc alloys containing approximately 37%–45% zinc
     • Characteristics
       • Higher strength and hardness
         • Good hot workability
           • Moderate ductility
             • Good machinability
     • Processing techniques
       • Hot Forging
         • Extrusion
           • Machining
     • Applications
       • Architectural fittings ( door handles, window frames)
         • Marine hardware (valves, pump parts)
           • Fasteners and connectors (heavy-duty bolts, nuts)

2. 1. ALPHA BRASSES

   • Copper-zinc alloys containing less than approximately 35% zinc.
     • Applications
       • Jewelry: rings, necklaces, and bracelets.
         • Musical instruments: trumpets and flutes
           • Small hardware parts: bolts, washers
     • Characteristics
       • High ductility
         • Excellent cold workability
           • Good corrosion resistance
             • Lower strength than alpha-beta brass
     • Processing techniques
       • Cold rolling
         • Deep drawing
           • Spinning

3. 3. BETA BRASSES

   • Copper-zinc alloys containing approximately 45%–50% zinc
     • Characteristics
       • High hardness and strength
         • Brittle at room temperature
           • Excellent hot plasticity
             • Suitable for casting and hot forming
     • Processing techniques
       • Die casting
         • Hot pressing
           • Casting
     • Applications
       • Die-cast components
         • Hot-pressed parts
           • Brazing alloys
             • Wear-resistant fittings

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