ISO 3887 Steels - Standard Test for Determining Decarburization Depth

Metal Test Laboratory

ISO 3887 Steels - Standard Test for Determining Decarburization Depth

EUROLAB laboratory provides testing and compliance services within the scope of ISO 3887 standard. The ISO 3887 standard, developed by the International Standards Organization (ISO), defines the decarburization process (decarburization) of steels and describes methods for measuring the depth of decarburization of steel products.

ISO 3887 Steels - Standard Test for Determining Decarburization Depth

Decarburization depth is generally determined by examining the microstructure. The ISO 3887 standard describes three different methods to determine the depth of decarburization of steel products. The choice and accuracy of these methods depend on the degree of decarburization, microstructure, carbon content of the product under investigation and the shape of the component.

Each of these methods prevents the need for further heat treatment. The parties decide among themselves which method will be applied. Unless otherwise agreed, the micrographic method is applied only when changes in carbon content are reflected in changes in the microstructure. This method is especially applicable to steels that show an annealed or normalized structure.

Micro strengthening hardness measurement methods for hardened or quenched and tempered steels are Vickers and Knoop methods performed in accordance with ISO 6507-1 standard and Knoop methods performed in accordance with ISO 4545 standard. These methods are only valid for hardened, tempered or heat treated steels.

Finally, in the methods of determining the carbon content, chemical or spectrographic analysis methods are applied and the carbon content is determined by measuring its gradient in a direction perpendicular to the surface.

EUROLAB assists manufacturers with ISO 3887 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.

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