Stahlinstitut VDEh https://vdeh.de/en/standardisation/stahl-eisen-blatter/stahl-eisen-prufblatter/ – 27.08.2026

Sheet No.

Title

Status

SEP 1220-1

Testing and Doc­u­ment­a­tion Guideline for the Join­ab­ility of thin sheet of steel – Part 1: General spe­cific­a­tions. 

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2^nd edition November 2024

SEP 1220-2

Testing and Doc­u­ment­a­tion Guideline for the Join­ab­ility of thin sheet of steel – Part 2: Res­ist­ance Spot Welding.

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2^nd edition November 2024

SEP 1220-3

Testing and Doc­u­ment­a­tion Guideline for the Join­ab­ility of thin sheet of steel – Part 3: Laser Beam Welding.

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2^nd edition February 2025

SEP 1220-3
supplementary sheet

Sup­ple­mentary Sheet ‘Method to determine cold crack sus­cept­ib­ility of laser welded thin steel sheet’ to SEP 1220-3 ‘Test and doc­u­ment­a­tion guideline for the join­ab­ility of thin sheet of steel – Part 3 Laser beam welding’.

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1^st edition July 2026

SEP 1220-6

Test and doc­u­ment­a­tion guideline for the join­ab­ility of thin sheet of steel – Part 6: Adhesive Bonding.

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2^nd edition January 2026

SEP 1220-7

Testing and Doc­u­ment­a­tion Guideline for the Join­ab­ility of thin sheet of steel – Part 7: Pro­jec­tion welding of fasteners.

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1^st edition October 2025

SEP 1220-10

Test and doc­u­ment­a­tion guideline for the join­ab­ility of thin sheet of steel – Part 10: Laser beam brazing.

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1^st edition June 2026

SEP 1245

Approval Process for Steel Sheets for Automotive Applications (Cold Forming)

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2^nd edition October 2024

SEP 1680

Drawing time-tem­per­ature-trans­form­a­tion diagrams for ferrous alloys

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4^th edition October 2024

SEP 1681

Guidelines for pre­par­a­tion, exe­cu­tion and eval­u­ation of dilato­metric trans­form­a­tion tests on iron alloys,

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3^rd edition January 2025

SEP 1927

Ultra­sonic Immer­sion Testing Method for Determ­ining the Mac­ro­scopic Clean­li­ness Rate of Rolled or Forged Steel Bars.

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3^rd edition December 2025

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