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Quality Requirements Edition 6.0 European Enamel Association

7.19.3 Quality requirements

A. Steel base

Certificate (3.1. according to EN 10204) to be provided by steel manufacturer, stating:

Test method Requirement Remarks Frequency
steel analysis according to norm suitable for double-sided enamelling per melt / shipment
4.16 / 4.43 > = 120 does not apply for steel types per coil
hydrogen permeability DC06EK / DC06ED and DC07EK

or 4.22 / 4.43 fish scaling test no fish scales allowed per coil
4.27 pickling speed in consultation with the steel supplier and the enameller per melt / shipment

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