Din 8570 B Pdf [new] 〈Official | 2027〉

It is a German national standard titled "General tolerances for welded structures; linear and angular dimensions" (Allgemeintoleranzen für Schweißkonstruktionen; Längen- und Winkelmaße). It specifies general tolerances for linear and angular dimensions on engineering drawings for welded components. If specific tolerances are not indicated on a drawing, this standard defines the permitted deviations. This allows fabricators to work efficiently within defined, customary workshop accuracies.

±20 minutes of a degree (or approx. ±6 mm per meter) din 8570 b pdf