Exclusively cataloged and cross-verified against real ASTM, EN, and JIS standards. Select any alloy category to render dynamic microstructural properties and compositions.
Lost Wax Investment casting foundries typically conform to tolerance classes DCTG 4 to DCTG 6. These micro-limits define key geometric, dimensional, and flatness margins across complex component walls.
Tolerances can be further refined down to ±0.1 mm under dedicated mechanical coinpress processes or secondary Swiss finish-turning operations.
| Dimension Span (mm) | DCTG 4 (Fine) | DCTG 5 (Standard) | DCTG 6 (Coarse) |
|---|---|---|---|
| 0 - 10 mm | ± 0.13 mm | ± 0.18 mm | ± 0.26 mm |
| 10 - 16 mm | ± 0.15 mm | ± 0.20 mm | ± 0.30 mm |
| 16 - 25 mm | ± 0.17 mm | ± 0.24 mm | ± 0.34 mm |
| 25 - 40 mm | ± 0.20 mm | ± 0.28 mm | ± 0.40 mm |
| 40 - 63 mm | ± 0.24 mm | ± 0.32 mm | ± 0.46 mm |
| 63 - 100 mm | ± 0.28 mm | ± 0.38 mm | ± 0.56 mm |
| 100 - 160 mm | ± 0.33 mm | ± 0.46 mm | ± 0.66 mm |
| 160 - 250 mm | ± 0.38 mm | ± 0.54 mm | ± 0.78 mm |
| 250 - 400 mm | ± 0.45 mm | ± 0.64 mm | ± 0.90 mm |
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Complete dataset containing chemical and physical margins for over 90 casting alloy grades.
Download PDFFull linear and geometrical tolerance grid referencing DCTG 3 to DCTG 8 categories.
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