ALLOWANCES IN WELDED GRATING SP AND PRESSED GRATING P SIZES
Extracts from RAL GZ 638![]() |
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| Variation in plane within a grating Maximum allowance 5 mmfor gratings ~ 300 х 300 mm – maximum 2 mm |
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Maximum difference between diagonals: D1-D2 is equal to 0.012 х S (max. side length) |
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Length and width variation с: f = max. + 0 mm up to - 4 mm. Cell step allowance: g = max. ± 1.5 mm. Cell step allowance: d = max. ± 4 mm (when more than 10 steps are measured). Process cut: h; i = max. + 8 mm / - 0 mm. |



