DIN 30999-1999DIN 50103-3-1995DIN 50150-2000DIN 50359-2-1999DIN 50359-3-1999DIN 51200-1985DIN 51220-1996DIN EN ISO 6506-1-1999DIN EN ISO 6506-2-1999DIN EN ISO 6506-3-1999DIN EN ISO 6507-1-1998DIN EN ISO 6507-2-1998DIN EN ISO 6507-3-1998DIN EN
The guideline provides a summary of most commonly used methods of hardness testing for use on metallic materials. The individual methods are each described briefly. The supplementary information includes references to exceptional features of the methods and the advantages and disadvantages of the methods are also described. It supplements the existing standards covering hardness tests on metals.