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A Design Study in Steel - Crossbleed Valve for the F-5

Investment Casting Capabilities 

Investment casting has excellent tolerances,  superb thin wall capabilities, fine detail capacity,  and premium surface finish limits, 
compared to alternative casting methods. 

General Dimensional Tolerances 
             Up to 1"        +/- 0.005"
             Up to 2"        +/- 0.010"

Roundness - Hollow Tubes
                 Diameter             Tolerances
             Up to 1"                0.006" TIR
            1" to 11/2" .           0008" TIR

Minimum Wall Thickness Capabilities
         Aluminum - 0.060"
         Stainless Steel - 0.070"

Surface Finish - Average  RMS
         Aluminum - 60-100
         Stainless Steel - 100-125 

Fine Detail, Thin Wall Metal Casting by Investment Casting


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Copyright 2007 by the Steel Founders' Society of America.
All rights reserved.  Address comments to: blairr@sfsa.org
Last Modified:December, 2007 by STG

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