ALLOY 385 - FREE MACHINING BRASS

Chemical Composition - percent [Typical]

 
 
  Element      
  Copper Cu 58.0  
  Lead Pb 3.5  
  Zic Zn Balance  
         
 
  Total Impurities 0.80 maximum

Mechanical Properties [Typical] Drawn  
  0.2% Proof Stress 200 Mpa (29,000 psi)  
  Ultimate Tensile Strength 400 Mpa (58,000 psi)  
  Elongation 20%  
  Typical Hardness 135 VPN  
  Specific Gravity 8.5
 
  Machinability Excellent
 
  Cold Working Not Recommended
 
  Hot Working Good
 
       
       
Comparative Specifications
 
BS2874 - CZ121-4Pb; UNS C38510