{"id":293759,"date":"2024-10-19T19:57:50","date_gmt":"2024-10-19T19:57:50","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-6507-32018\/"},"modified":"2024-10-25T17:09:42","modified_gmt":"2024-10-25T17:09:42","slug":"bs-en-iso-6507-32018","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-6507-32018\/","title":{"rendered":"BS EN ISO 6507-3:2018"},"content":{"rendered":"
This document specifies a method for the calibration of reference blocks to be used for the indirect verification of Vickers hardness testing machines, as specified in ISO 6507\u20112.<\/p>\n
The method is applicable only for indentations with diagonals \u22650,020 mm.<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
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2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
4<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
6<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions 4 Manufacture of reference blocks 4.1 General 4.2 Thickness 4.3 Test surface area <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 4.4 Magnetism 4.5 Flatness and parallelism 4.6 Surface roughness 4.7 Prevention of the regrind of the test surface 5 Calibration machine 5.1 General 5.2 Direct verification 5.3 Traceability of verification instruments <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 5.4 Test force 5.5 Indenter <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 5.6 Diagonal measuring system <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 6 Calibration procedure 7 Number of indentations <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 8 Uniformity of hardness 8.1 Relative non-uniformity <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 8.2 Uncertainty of measurement 9 Marking 10 Calibration certificate <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 11 Validity <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | Annex A (informative) Uncertainty of the mean hardness value of hardness reference blocks <\/td>\n<\/tr>\n | ||||||
20<\/td>\n | Annex B (informative) Adjustment of K\u00f6hler illumination systems <\/td>\n<\/tr>\n | ||||||
21<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Metallic materials. Vickers hardness test – Calibration of reference blocks<\/b><\/p>\n |