(where you can buy the PDF legally):
| Standard | Scope | | :--- | :--- | | | Tolerances for bent parts made from flat steel | | ISO 2768 | General tolerances for machined & formed parts (not bending-specific) | | DIN 6930 | Tolerances for stamped and formed parts from sheet metal | Din 6935 Standard Pdf
The DIN 6935 standard applies to cold-formed, welded, and cold-formed, seamless steel tubes with circular, square, rectangular, and oval cross-sections. The standard specifies the following: (where you can buy the PDF legally): |
A central component of the standard is the correction factor ( seamless steel tubes with circular
) and correction factors to accurately calculate the flat length required to achieve a finished bent component.