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| INVESTMENT CASTING |
 Introduction |
| Process |
| FAQs |
| Job Handling Capacity |
| Metals / Material |
| Ferrous |
| Non-Ferrous |
| Tolerance |
| Quality Tolerance |
| General Tolerances |
| Flatness |
| Straightness |
| Concentricity |
| Roundness |
| Angles |
| Hole Positioning |
| Blind Holes |
| Parallel Sections |
| Wall Thickness |
| Round Hollow Tubing |
| Surface Finish |
Investment Casting > > Flatness
Flatness refers to single plane surface and is usually function of volumetric shrinkage.
Thickness Dish per 6 sq. inches of surface
Up to .250" insignificant
.251" to .500" .004" TIR
.501" to 1.000" .008" TIR
1.001" to 2.000" .016" TIR
