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Investacast Process Comparisons

Investacast Parameters and Advantages Of The Casting Methods
  UK Investment Casting Outsourced Investment Casting Outsourced Sand casting Outsourced Gravity die casting Outsourced Pressure die casting Outsourced Forging
 Weight range achievable  ( kg) 0.01 to 25 0.01 to 75 1 to 50 0.5 to 25 0.01 to 25 0.03 to 25
Typical Unit Volume per year 250-5000 250-100000 1 … 5000 100 … 50 000 5000 … 1 000 000 10,000-100,000
Pattern / tooling cost moderate  low  low Moderate High Moderate
Cost of Tooling change moderate low Low Moderate High Moderate
Flexibility of design excellent excellent Very high High Relatively high Low
Minimum wall thickness, mm 0.5 1 3 2.5 1 2
Finishing Costs low low high low-moderate low low-moderate
Dimension accuracy, Tolerances in accordance with ISO 8062 CT4 -CT6 CT5-CT7 CT9- CT10 CT 6- CT8 CT4 CT5-CT6
Draft Angle Needed ( deg) 0 -0.5 0-0.5 2 2 0.5-1 01-Feb
surface finish  ( Ra) 3.2 3.2 6.3 3.2 1.6 1.6
Casting alloy Bases Carbon Steel Carbon Steel Cast Iron Aluminium Aluminium Aluminium
  Stainless Steel Stainless Steel Aluminium   Brass Copper Base
  Monel Monel     Zinc Stainless Steel
  Cobalt Chrome Cobalt Chrome       Carbon Steel
  Brass Brass        
  Bronze Bronze        
  Duplex Stainless steel Duplex Stainless steel        
  Aluminium Aluminium        
  Precipitation Stainless Steel Precipitation Stainless Steel        
  Hastelloy Titanium        
    Hastelloy