ISO 6508-1 Metallic Materials - Rockwell Hardness Test

Metal Test Laboratory

ISO 6508-1 Metallic Materials - Rockwell Hardness Test

EUROLAB laboratory provides testing and compliance services within the scope of EN ISO 6508-1 standard. The standard covers Rockwell hardness and Rockwell surface hardness test methods for metallic materials.

ISO 6508-1 Metallic Materials - Rockwell Hardness Test

This part of ISO 6508 specifies the method for Rockwell regular and Rockwell surface hardness tests for metallic scales A, B, C, D, E, F, G, H, K, 15N, 30N, 45N, 15T, 30T and 45T. . It is applicable to materials and stationary and portable hardness testing machines.

This is one of the Rockwell test three-part international standard for metallic materials. The other two parts are verification and calibration of test machines and indentations, calibration of reference blocks.

An indentation of the specified size, shape and material is forced into the surface of a test specimen under two levels of force using special conditions. Additional force is applied and the initial indentation depth is measured, followed by the application and removal of a specified additional force, returning to the initial force. The final indentation depth is then measured and the Rockwell hardness value is derived from the difference h in the final and initial indentation depths and the two constants N and S.

The testing machine will be able to apply test forces for some or all of the Rockwell hardness scales, realizing a laboratory temperature requirement of 10 °C to 3 °C, and will comply with all requirements defined in ISO 5-6508.

The test may be performed on the product and a flat surface that has been burned from oxide deposits, foreign matter and lubricants, unless otherwise specified in the or material standards. An exception is made for reactive metals such as titanium, which may adhere to the recess.

The thickness of the test piece or layer under test shall be at least 10 times the permanent indentation depth for diamond indentations and at least 15 times the permanent indentation depth for ball indentations, may be used unless the use of a thinner test piece can be demonstrated to affect the measured hardness value.

EUROLAB assists manufacturers with ISO 6508-1 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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