The engineering standard specifies the general tolerances for linear and angular dimensions of welded structures . It reflects "customary workshop accuracy" to simplify engineering drawings by removing the need to label every individual weldment deviation. For historical and operational context, this standard has been largely superseded by the international equivalent DIN EN ISO 13920 . However, it remains a critical baseline reference across legacy documentation, quality control pipelines, and globally distributed engineering packages. What is DIN 8570?

Over 2000 to 4000 mm: ±4 mm 18;write_to_target_document7;default0;348;18;write_to_target_document1a;_TwvuaaGfMc-O4-EPja-ciAo_20;54; How to Access the PDF 0;16;

For a legitimate and up-to-date PDF, the best source is (formerly Beuth Verlag). Search for "DIN 8570-1:1987-10" on their website. A 4-page PDF is available for €36.70 including VAT. For the current standard DIN EN ISO 13920:2023 , search on the DIN Media website; the PDF cost is €141.50 including VAT.

), the maximum permitted warp or bow in Class B typically ranges from (for components under or more for massive architectural spans over

Because the internal technical deviation tables and step-ranges match almost exactly between these two frameworks, modern QA shops utilize ISO 13920 certification guidelines to fulfill legacy contracts calling for DIN 8570-B specifications. Compliance, Verification, and Inspection Protocols

The engineering standard . Originally introduced by the German Institute for Standardization (Deutsches Institut für Normung), this legacy standard simplifies engineering drawings by eliminating the need to label individual tolerances for every weldment feature.

: It applies to linear dimensions (external, internal, offsets, center distances) and angular dimensions. Parts of the Standard DIN 8570-1 : Focuses on linear and angular dimensions. DIN 8570-2 : Focuses on shape and position. International Equivalent

DIN 8570-1 divides welding tolerances into four main tolerance classes based on the accuracy required: For non-functional dimensions.

: Medium tolerances (often used as a standard workshop baseline). : Large tolerances. : Largest tolerances (lowest precision). Application Scope