http://www.iso.org ISO standards and projects ISO - International Organization for Standardization 240 http://www.iso.org/iso/logo_iso.gif http://www.iso.org ISO/TR 25679:2005 - Mechanical testing of metals -- Symbols and definitions in published standards This document reached stage 90.60 on 2012-12-19 , TC/SC: ISO/TC 164, ICS: 01.040.77; 77.040.10 Published standards ISO 23718:2007 - Metallic materials -- Mechanical testing -- Vocabulary This document reached stage 90.93 on 2010-09-17 , TC/SC: ISO/TC 164, ICS: 77.040.10; 01.040.77 Published standards ISO/TR 12735-1:1996 - Mechanical testing of metals -- Symbols used with their definitions -- Part 1: Symbols and definitions in published standards This document reached stage 95.99 on 2007-02-02 , TC/SC: ISO/TC 164, ICS: 01.040.77; 77.040.10 Withdrawn standards ISO/TR 12735-2:1996 - Mechanical testing of metals -- Symbols used with their definitions -- Part 2: Recommendations for the development of symbols and definitions This document reached stage 60.60 on 1996-12-12 , TC/SC: ISO/TC 164, ICS: 77.040.10; 01.040.77 Published standards ISO/R 146:1968 - Verification of Vickers hardness testing machines This document reached stage 95.99 on 1984-12-01 , TC/SC: ISO/TC 164, ICS: 77.040.10 Withdrawn standards ISO/R 640:1967 - Calibration of standardized blocks to be used for Vickers hardness testing machines This document reached stage 95.99 on 1984-11-01 , TC/SC: ISO/TC 164, ICS: 77.040.10 Withdrawn standards