| Elements | Min (%) | Max (%) | 
    
      | Cu | 62.00 | 63.00 | 
    
      | Pb | 0.50 | 1.50 | 
    
      | Fe | - | 0.20 | 
    
      | Total Others | - | 0.50 | 
    
      | Zn | Remainder | 
   
  
 
              
              
                
                    
Mechanical Properties According To IS 319 Gr lll (As Per Temper HB)
                
             
              
  
    
      | Range (mm) | From | To | UTS Min (MPa) | PS Min (MPa) | Elongation Min (%) | Hardness Min | Hardness Max | 
    
      | Round (Dia) | 6 | 12 | 355 | - | 8 | - | - | 
    
      | 12 | 25 | 345 | - | 12 | - | - | 
    
      | 25 | 50 | 305 | - | 22 | - | - | 
    
      | 50 | 75 | 285 | - | 27 | - | - | 
    
      | Hex (A/F) | 6 | 12 | 355 | - | 8 | - | - | 
    
      | 12 | 25 | 345 | - | 12 | - | - | 
    
      | 25 | 50 | 305 | - | 22 | - | - | 
    
      | 50 | 75 | 285 | - | 27 | - | - | 
    
      | Square (A/F) | 6 | 12 | 355 | - | 8 | - | - | 
    
      | 12 | 25 | 345 | - | 12 | - | - | 
    
      | 25 | 50 | 305 | - | 22 | - | - | 
    
      | 50 | 75 | 285 | - | 27 | - | - | 
    
 
           
            
        
        
        
        
  
   
      | PHYSICAL PROPERTIES | 
 
   | Density | 8.46 g/cm3 | 
	
 
   | Melting Point | 910°C | 
 
   | Specific heat cap at 20˚C | 0.377  (kj/kgK) | 
 
   | Electrical conductivity | 14.7  (MS/m) | 
 
   | Mod of elasticity | 105  (GPa) | 
 
   | Coef of therm exp at 20˚C | 20.4 (10-6 /K) | 
 
   | Thermal Conductivity | 116  W/m.K | 
  
			 
				 
				
        
  
   
      | FABRICATION PROPERTIES | 
    
      | Machinability (CuZn39Pb3 = 100 %) | 80% | 
    
      | Capacity for being cold worked | poor | 
    
      | Capacity for being hot worked | Fair | 
    
      | Suitability for soldering | Excellent | 
    
      | Suitability for Brazing | Good |