1. BS 7910:2013 (Incorporating Amendment 1 and Corrigenda 1-2): ‘Guide to Methods for Assessing the Acceptability of Flaws in Metallic Structures’,2013
2. BS 7448-1:1991 ‘Fracture Mechanics Toughness Test – Part 1: Method for Determination of KIc, Critical CTOD and Critical J Values of Metallic Materials’,1991
3. Metallic Materials. Method of Test for the Determination of Quasistatic Fracture Toughness of Welds;BS EN ISO 15653,2018
4. ASTM E1820 - 15a: ‘Standard Test Method for Measurement of Fracture Toughness’,2015
5. ASTM E1921 -18: Standard Test Method for Determination of Reference Temperature, to, for Ferritic Steels in the Transition Range.