Investment Casting General Tolerance: ISO 8062 | VDG P690 | GB/T 6414
1. Standard Overview Standard Scope Tolerance System Investment Casting Application ISO 8062-3:2023 Global casting tolerance standard CT1–CT16 (lower = tighter) Silica sol: CT4–CT6Water glass: CT7–CT8 GB/T 6414-2017 Chinese standard (identical to ISO 8062) Same CT grades Domestic customers VDG P690 German standard for lost‑wax casting D1, D2, D3 European / German OEMs 2. Linear Tolerance […]
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