VDA 238-501 (12/2020)

€140.00
Prices excl. VAT 
VDA 238-501: Prüfung der Welligkeit von kaltumgeformten
Flacherzeugnissen - Herstellung von Umformprüfkörpern / Waviness Testing of Cold Formed Sheet Metal - preparation of formed test specimens (Version 12/2020) - Gruppenlizenz (group license), AGB (GTC) Art. 10, 2

The test method described in this document is used to determine a uniform surface waviness parameter of unformed and cold formed, cold-rolled sheet material for exposed automotive body applications with and without metallic coatings.

The determined waviness parameter Wsa1-5  is used to characterize the longwave waviness of the sheet surface, which is often visible only after painting and a significant amount of cold forming.

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VDA 238-500 (12/2020)

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