{"id":294303,"date":"2024-10-19T20:00:28","date_gmt":"2024-10-19T20:00:28","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-4545-32017-tc\/"},"modified":"2024-10-25T17:13:54","modified_gmt":"2024-10-25T17:13:54","slug":"bs-en-iso-4545-32017-tc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-4545-32017-tc\/","title":{"rendered":"BS EN ISO 4545-3:2017 – TC"},"content":{"rendered":"
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
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27<\/td>\n | National foreword <\/td>\n<\/tr>\n | ||||||
29<\/td>\n | European foreword <\/td>\n<\/tr>\n | ||||||
31<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
32<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions 4 Manufacture of the reference block 4.1 General 4.2 Thickness 4.3 Test surface area <\/td>\n<\/tr>\n | ||||||
33<\/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 | ||||||
34<\/td>\n | 5.4 Test force 5.5 Indenter 5.6 Diagonal measurement system 6 Calibration procedure <\/td>\n<\/tr>\n | ||||||
35<\/td>\n | 7 Number of indentations 8 Uniformity of hardness 8.1 Relative non-uniformity 8.2 Uncertainty of measurement 9 Marking <\/td>\n<\/tr>\n | ||||||
36<\/td>\n | 10 Calibration certificate 11 Validity <\/td>\n<\/tr>\n | ||||||
37<\/td>\n | Annex A (informative) Adjustment of K\u00f6hler illumination systems <\/td>\n<\/tr>\n | ||||||
38<\/td>\n | Annex B (informative) Uncertainty of mean hardness value of hardness-reference blocks <\/td>\n<\/tr>\n | ||||||
43<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Tracked Changes. Metallic materials. Knoop hardness test – Calibration of reference blocks<\/b><\/p>\n |