Sheets in revision
SEP 1220 – Teile 7 bis 10
Testing and Documentation Guideline for the Joinability of thin sheet of steel, Part 7: Projection Welding of Fasteners, Part 8: Drawn Part 10: Laser Brazing
SEP 1220-1
Testing and Documentation Guideline for the Joinability of thin sheet of steel – Part 1: General specifications. 2nd edition November 2024
This first part of the series of SEP 1220 specifications contains general requirements. It is meant as a basis for unified material characterization and shall standardize the exchange of data between the materials suppliers and customers.
Described are the characterization of the base materials, location of sampling, general test conditions, including recommendations for cyclic testing. The data format for data exchange of tests (data header) is explained in detail.
SEP 1220-2
Testing and Documentation Guideline for the Joinability of thin sheet of steel – Part 2: Resistance Spot Welding. 2nd edition November 2024
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 resistance spot welding.
Described are testing scope and conditions, determination of quality limits, destructive and non-destructive testing, and documentation of results. Example diagrams are given for testing and evaluation of results.