SEP 1220-10
Test and documentation guideline for the joinability of thin sheet of steel – Part 10: Laser beam brazing.
The test methods specified in this Stahl-Eisen test specification (SEP) describe the procedure to determine the suitability of automotive steel sheets for joining via the process of laser beam brazing.
Described are sample preparation, test conditions, the determination of quality levels, test methods (visual testing, tensile testing, metallography) , and documentation of results with example documentation sheets.
1st edition June 2026